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4,859 results in File Exchange

Natural-Order Filename Sort

Version 3.4.11 by Stephen23

Alphanumeric sort of filenames or filepaths, with customizable number format.

To sort the elements of a string/cell array use NATSORT: http://www.mathworks.com/matlabcentral/fileexchange/34464-customizable-natural-order-sortTo sort the rows of a string/cell array use

- The function NATSORTFILES sorts filenames or filepaths in an array A (cell/string/struct) taking into account number values within the text. This is known as natural sort order. Note that MATLAB
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  • 10 Apr 2026

Customizable Natural-Order Sort

Version 3.4.11 by Stephen23

Alphanumeric sort of a cell/string/categorical array, with customizable number format.

To sort any file-names or folder-names use NATSORTFILES:http://www.mathworks.com/matlabcentral/fileexchange/47434-natural-order-filename-sortTo sort the rows of a string/cell array use

- The function NATSORT sorts the elements of a text array A (cell/string/...) taking into account number values within the text. This is known as natural sort order. Note that MATLAB's inbuilt SORT
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  • 10 Apr 2026

Natural-Order Row Sort

Version 3.4.11 by Stephen23

Alphanumeric row sort of a cell/string/categorical/table array, with customizable number format.

To sort any file-names or folder-names use NATSORTFILES: http://www.mathworks.com/matlabcentral/fileexchange/47434-natural-order-filename-sortTo sort the elements of a string/cell array use NATSORT

- The function NATSORTROWS sorts the rows of a matrix A (cell/string/table/...) taking into account number values within the text. This is known as natural sort order. Note that MATLAB's inbuilt
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  • 10 Apr 2026

sort_nat: Natural Order Sort

Version 1.3.0.0 by Douglas Schwarz

Sort strings in natural order.

Natural order sorting sorts strings containing digits in a way such that the numerical value of the digits is taken into account. It is especially useful for sorting file names containing index

- sort_nat: Natural order sort of cell array of strings.
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  • 22 Jan 2011

natural (Hadamard) and dyadic (Paley) ordered fast Hadamard transform

Version 1.0.0.0 by Dr. Gylson Thomas

The function implement the 1D natural(Hadamard) and dyadic (Paley) ordered fast Hadamard transform.

The function implement the 1D natural(Hadamard) ordered and dyadic (Paley) ordered fast Hadamard transform, which can be used in signal processing, image processing, pattern recognition and Genetic

- The function implement the 1D natural(Hadamard) ordered fast Hadamard transform,
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  • 5 Dec 2006

Suite2P

Version 1.0.0.0 by Marius Pachitariu

Fast, complete two-photon pipeline

- : Natural order sort of cell array of strings.
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  • 18 Aug 2016

MP3 a medical imaging toolbox (MRI, CT, PET...)

Version 1.4 by benjamin lemasson

Medical software for Processing multi-Parametric images Pipelines

(anatomy+relaxometry+perfusion) in cohorts of +500 animals.SUMMARY Poster (ENGLISH) (FRENCH): poster presented at the 4th Congress of the SFRMBM (Strasbourg).RequirementsIn order to fully enjoy MP³, you have to meet the following

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  • 18 Aug 2023

qMRLab

Version 2.4.1 by Agah Karakuzu

Quantitative Magnetic Resonance Imaging Made Easy with qMRLab: Use GUI or CLI to fit and simulate a myriad of qMRI models.

- : Natural order sort of cell array of strings.
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  • 7 Dec 2023

neuropoly/axonseg

Version 3.0.0.0 by Aldo Zaimi

AxonSeg is a GUI that performs axon and myelin segmentation on histology images.

- : Natural order sort of cell array of strings.
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  • 12 Jun 2019

naturally-ordered discrete Hadamard transform algorithm

Version 1.0.0.0 by Duraisamy sundararajan

matlab implementation of PM naturally-ordered discrete Hadamard algorithm

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  • 6 Oct 2009

Depth of field calculator based on 2D digital image correlation data

Version 1.0.0.0 by Bart Van Mieghem

This GUI calculates the depth of field of a camera system based on results of 2D DIC

- sort_nat: Natural order sort of cell array of strings.
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  • 9 Jul 2015

Parametric Mapping Scripts for MRI data

Version 1.2.0.0 by matt birkbeck

Parametric mapping of MRI data

: https://uk.mathworks.com/matlabcentral/fileexchange/29372-thresholding-an-imagefile sort: https://uk.mathworks.com/matlabcentral/fileexchange/47434-natural-order-filename-sort

- Alphanumeric / Natural-Order sort the strings in a cell array of strings.
- Alphanumeric / Natural-Order sort of a cell array of filenames/filepaths.
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  • 29 Sep 2017

Camera to Robotic Arm Calibration

Version 1.4.0.0 by Zachary Taylor

Matlab toolbox for finding the transformation from a camera to a robotic arms base

- : Natural order sort of cell array of strings.
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  • 10 Dec 2014

Natural frequencies & buckling loads of columns using Finite Element Method

Version 1.3.0.0 by KSSV

Natural frequencies and Euler buckling load are calculated using finite element method technique

These files calculate the natural frequencies and Euler buckling load using Finite element technique. Hermitian beam elements are used as interpolation functions. Assembled mass, geometric stiffness

- To find the natural frequqencies and Euler buckling load of a column
- Thoretical Natural Frequencies and Euler Buckling load for columns with various
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  • 22 Sep 2011

Interactive Pole-Zero and Step Response Plot

Version 1.0.0 by Adhithya S

A MATLAB GUI for visualizing pole-zero plots and step responses of second-order systems with adjustable damping ratio and natural frequency.

The "Interactive Pole-Zero and Step Response Plot" is a MATLAB GUI tool designed for educational and analysis purposes, allowing users to explore the behavior of underdamped second-order systems

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  • 3 Oct 2024

Spline Natural

Version 1.0.0.0 by Angel Diaz

determina los polinomios del spline natural de frontera liobre

Al introducir los valores de x y y a interpolar le halla los parametros y muestra las ecuaciones de forma grafica y numerica,spline cúbico natural o con frontera libreIngrese Los valores de x [x0

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  • 28 Nov 2009

Natural Frequencies of a Circular Plate

Version 1.0.0.0 by Andrei Zagrai

A soft table for the natural frequencies and modal parameters of uniform circular plates.

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  • 7 Dec 2004

The Watson Optical Trap Simulator

Version 1.0.1 by John McFerran

This package simulates the transfer of atoms from a spherical ensemble of cold atoms into a variety of optical traps (principally lattice).

- The function NATSORTFILES sorts a cell array of filenames or filepaths (1xN char), taking into account any number values within the strings. This is known as a natural order sort or an alphanumeric
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  • 28 Aug 2020

Natural Excitation Technique (NExT)

Version 1.0.5 by Ayad Al-Rumaithi

Returns impulse response functions (IRF) using Natural Excitation technique with time domain method and frequency domain method

Returns impulse response functions (IRF) using Natural Excitation technique with time domain method (NExTT) and frequency domain method (NExTF) for systems subjected to white noise excitation

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  • 11 Sep 2024

Natural Gas Storage Valuation

Version 1.1.0.1 by Ameya Deoras

Demos and files from the webinar

This example demonstrates using MATLAB to analyze and value a natural gas storage contract. Such valuations are typically done when financing/purchasing storage facilities, structuring contracts to

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  • 1 Sep 2016

Faster 3D Walsh - Hadamard Transform (sequency, natural)

Version 1.0.0.0 by Andre

Implements a 3D Walsh Hadamard transform. This function is FAST!

== 'sequency' or 'walsh'% The function will transform the matrix using the sequency ordered% walsh functions.% If order == 'hadamard' or 'natural'% The function will transform the matrix

- WAT3D 3D Walsh or Hadamard Transform
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  • 30 Jan 2009

Reduced Order Modeler for MATLAB

Create reduced order models of Simulink models or subsystems, including subsystems that integrate high-fidelity 3rd party tools.

Create reduced order models of Simulink models or subsystems, including subsystems that integrate high-fidelity 3rd party tools. Design experiments to simulate a Simulink model and collect data to

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  • 22 Jul 2026

Gatherals and Jacquier's Arbitrage-Free SVI Volatility Surfaces

Version 1.0.0.0 by Philipp Rindler

Implementation of the Paper Arbitrage-Free SVI volatility surfaces in Quantitative Finance 14:1

- SVI - Stochastic Volatility Inspired parameterization of the implied
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  • 10 Mar 2015

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  • 19 Dec 2018

Oustaloup-Recursive-Approximation for Fractional Order Differentiators

Version 1.0.0.0 by YangQuan Chen

Oustaloup-Recursive-Approximation for fractional order differentiator.

% Filename: ora_foc.m% Oustaloup-Recursive-Approximation for fractional order differentiator% Input variables:% r: the fractional order as in s^r, r is a real number% N: order of the

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  • 4 Aug 2003

Runge Kutta 4th order ode

Version 1.4.0.0 by Judah S

solves ode using 4th order Runge Kutta method

- It calculates ODE using Runge-Kutta 4th order method
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  • 16 Jan 2013

Simscape Multibody Reduced Order Flexible Cylinder

Version 3.0.0 by David Balbuena

Get started with the Reduced Order Flexible Solid block using a simple cylinder

This submission will get you started with the Reduced Order Flexible Solid block in Simscape Multibody™. The submission contains:- A reduced-order model for a cylinder- A Simulink® model that tests

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  • 31 Mar 2025

Reduced Order Modeling Support Package (Beta)

Version 3.1.3 by Alec Stothert

Create reduced order models of Simulink models or subsystems, including subsystems that integrate high-fidelity 3rd party tools.

Note that from MATLAB release R2025b Update 3 onward this support package has been replaced by Reduced Order Modeler for MATLAB, use that link to download the most up-to-date and maintained

- Log data from a Simulink model and use that data to train a reduced order model (ROM).
- Create reduced order models of Simulink® models or subsystems, including subsystems that integrate high-fidelity 3rd party tools. Design experiments to simulate a Simulink model and collect data to
- This example shows how to create a discrete-time neural state-space (NSS) model of an airframe modeled in Simulink®. The example covers using the Reduced Order Modeler app to design experiments and
- Open the Getting Started Guide to learn how to use the Reduced Order Modeler app to create reduced order models of Simulink® models and subsystems.
- This example shows how to create a reduced order model (ROM) representation of the Induction and Combustion subsystems in the Simulink® model enginespeed using the Reduced Order Modeler app. You can
- This example demonstrates the creation of a reduced order model (ROM) of a jet engine turbine blade using LSTM and neural state-space (NSS) models. Specifically, it covers modeling the turbine blade
- This example shows how to create an AI-based surrogate model (static reduced order model (ROM)) of an electric vehicle thermal management system. This example requires Simscape™ Battery™, Simscape
- This example demonstrates the creation of a reduced order model (ROM) from collected data. Data from a high-fidelity simulation of a jet engine turbine blade is used to create a neural state-space
- The Reduced Order Modeler app requires MATLAB 23b update 4 or later and the following:
- Reduced Order Modeler App
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  • 15 Jan 2026

Natural Gas Storage Optimization & Intrinsic Valuation

Version 1.1.0.1 by Ameya Deoras

Calculate optimal injection/withdrawal schedules for gas storage facility

This example demonstrates using MATLAB to optimize a natural gas storage facility and perform intrinsic storage contract valuation. Such valuations are typically done when financing/purchasing

- Compute the optimal set of forward contracts to maximize revenue from a gas storage facility given constraints
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  • 1 Sep 2016

Order of magnitude of number

Version 1.1.0.0 by Ivar Eskerud Smith

Returns the order of magnitude of one or more numbers.

Returns the order of magnitude of one or more numbers. Works on arrays. You can also specify the number base.%Ex:order( 1.2e-5 ) %returns -5order(1) = 0order( 1.12344e8 ) %returns 8%Specify base

- Order of magnitude of number for specified base. Default base is 10.
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  • 18 Jun 2012

reconstruction of a space curve from curvature and torsion

Version 1.0.0 by Lei Xu

It uses Runge-Kutta method for solving ODE and thus purely numerical.

% Usage: curve = naturalCurveD(k,t,isplotted)% Input variable:% k(kappa) - Curvature, which can be a single value or a% vector% t(tau) -

- reconstruct a space curve from curvature and torsion.
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  • 13 Feb 2019

Lynx MATLAB Toolbox

Version 1.3.0.0 by Simone

A toolbox for the design of complex machine learning experiments

- - Check that a number is a natural number. Return a boolean.
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  • 4 Sep 2016

Graph_Signal_Processing

Version 1.0.0 by muhammet balcilar

Signal Processing on non-euclidien domain signals

- Round off a given list of numbers of regions
- Compute the graph eigen value ordering
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  • 14 Mar 2019

MTT

Version 1.0.0.0 by Andrews Cordolino Sobral

Matlab Tensor Tools

- Natural logarithm.
- Higher-order orthogonal iteration.
- Fourth-order cumulant tensor.
- Finds best order for ttm_me.
- LMLRA by higher-order orthogonal iteration.
- Visualize a third-order tensor's sparsity pattern.
- Visualize a third-order tensor with surfaces.
- Visualize a third-order tensor with slices.
- Shifted Symmetric Higher-Order Power Method (SSHOPM)
- Memory-efficient Tucker higher-order orthogonal iteration.
- Visualize a third-order tensor with voxels.
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  • 12 Mar 2021

first order signal filtering

Version 1.0 by Ivan Liebgott

all functions and scripts to use first order filtering

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  • 6 Oct 2020

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  • 24 Sep 2017

Second Order Amplitude Modulated Noise

Version 1.0.0.0 by Nike

Generation Second order amplitude modulated noise as described by Lorenzi(2001)

Second order modulated noise is used in psychoacoustic experiments of amplitude modulation detection. It can be used to derive the second order TMTFs of a person.The signal here is generated by

- This is a program to Generate a Second order modulated noise for
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  • 2 Oct 2012

Fractional Order Extremum Seeking Control

Version 1.0.0.0 by Hadi Malek

FO-ESC improves the performance of IO-ESC using fractional order operators

In this simulation a new extremum seeking approach called "Fractional Order Extremum Seeking Control (FO-ESC)" is simulated and the ability of this algorithm in finding the peak power point of a PV

- Fractional Order Operator
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  • 31 Mar 2015

Boom Lift Model in Simscape

Version 26.1.2.4 by Steve Miller

Telescoping boom lift with tread drive.

- This example models the telescoping boom of a boom lift with flexible bodies. The flexible bodies are modeled both using classical beam theory and reduced order models as exported from finite element
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  • 17 May 2026

Multi-order State-transition Matrix

Version 1.0.0.0 by pangyuteng

Construct a multi-order state-transition matrix.

Construct a multi-order state-transition matrix given a Markov chain (in integer).Example:markovChain = [1 6 1 6 4 4 4 3 1 2 2 3 4 5 4 5 2 6 2 6 2];norder = 2;[ transitionMatrix columnStates ] =

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  • 27 Jun 2012

Fractional Order Chaotic Systems

Version 1.3.0.0 by Ivo Petras

Numerical solutions of the fractional order chaotic systems.

This toolbox contains the functions which can be used to simulate some of the well-known fractional order chaotic systems, such as:-Chen's system,-Arneodo's system,-Genesio-Tesi's system,-Lorenz

- % Numerical Solution of the Fractional-Order Duffing's System
- % Numerical Solution of the Fractional-Order Chen's System
- % Numerical Solution of the Fractional-Order Volta's System
- % Numerical Solution of the Fractional-Order Lu's System
- % Numerical Solution of the Fractional-Order Chua's System
- % Numerical Solution of the Fractional-Order Chua's System
- % Numerical Solution of the Fractional-Order Lorenz's System
- % Numerical Solution of the Fractional-Order Rossler's System
- % Numerical Solution of the Fractional-Order Liu's System
- % Numerical Solution of the Fractional-Order Financial System
- % Numerical Solution of the Fractional-Order Arneodo's System
- % Numerical Solution of the Fractional-Order Genesio-Tesi's System
- % Numerical Solution of the Fractional-Order 3-Cells CNN
- % Numerical Solution of the Fractional-Order Lotka-Volterra System
- % Numerical Solution of the Fractional-Order Newton-Leipnik's System
- Demo for the Fractional-Order Chaotic Systems (FOChS) - functions:
- % Numerical Solution of the Fractional-Order Van der Pol's System
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  • 26 Mar 2016

Kinetic Order Determination

Version 1.0.0.0 by Steven Edmund

Determine the reaction order of a chemical reaction of the form: rate = Ao*[A]^a*[B]^b*exp(-Ea/R*T)

kinetic order determination by wide area search and model-data error minimizationkinfit attempts to determine the optimal order of reaction (a and b) of the form rate = Ao * [A]^a * [B]^b *

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  • 2 Apr 2012

First-order multivariate calibration GUI

Version 1.0.8 by Alejandro Olivieri

Graphical user interface (GUI) for multivariate calibration with first-order data (vectors). Includes PLS, PCR, ANN and other models.

An upgrade of a MATLAB graphical user interface (GUI) toolbox for implementing first-order multivariate calibration models is presented. The new freely available Multivariate Calibration 1 (MVC1_GUI

  • 231 (All time)
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  • 19 May 2026

Impulse response invariant discretization of distributed order integrator

Version 1.0.0.0 by HU SHENG

Compute a discrete-time transfer function to approximate a distributed order integrator.

irid_doi function is prepared to compute a discrete-time finite dimensional (z) transfer function to approximate a distributed order integrator int(1/s^r,r,a,b), where "s" is the Laplace transform

- Impulse response invariant discretization of distributed order integrator
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  • 14 Jan 2010

Higher Order Diffusion Tensor Estimation

Version 1.2.0.0 by Angelos Barmpoutis

Estimation of Higher-Order DTI from a given Diffusion Weighted MRI dataset

This script shows how to compute a Higher-order Diffusion Tensor from a given Diffusion-Weighted MRI dataset. The method guarantees that the estimated tensor is positive-definite or at least positive

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  • 3 May 2010

Mth Order Piecewise Spline Interpolation

Version 1.2.0.0 by Husam Aldahiyat

A GUI that plots and gives equations for variable order intermediate splines.

GSP is a graphical user interface which takes x and y points as inputs, along with the order m, then outputs mth order splines between each of the x points. In most cases additional constraints are

- A GUI that plots and gives equations for variable order intermediate splines.
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  • 12 Sep 2012

RKN1210 - A 12th/10th order Runge-Kutta-Nyström integrator

Version 2.1 by Rody Oldenhuis

Integrator for second-order ODE's with very stringent error tolerances.

RKN1210 12th/10th order Runge-Kutta-Nyström integratorRKN1210() is a 12th/10th order variable-step numerical integrator for second-order ordinary differential equations of the form y'' =

- 12th/10th order Runge-Kutta-Nystr�m integrator
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  • 16 Jul 2024

Second generation Vold-Kalman Order Filtering

Version 1.7.0.0 by Maarten van der Seijs

Filtering of non-stationary periodic components from signals using a multi-order Vold-Kalman Filter.

implements the second generation VKF with the ability to extract multiple orders at the same time, with energy spreading in case of crossing orders [2].Syntax:x = vkf(y,fs,f) extracts the order with frequency

- VKF 2nd Generation Vold-Kalman Order Filtering.
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  • 3 May 2013

A New IIR-type Digital Fractional order differentiator

Version 1.0.0.0 by YangQuan Chen

A New IIR-type Digital Fractional order differentiator.

A New IIR-type Digital Fractional order differentiatorSee here for more informationhttp://www.csois.usu.edu/people/yqchen/dd/index.htmlSee also FOC page athttp://mechatronics.ece.usu.edu/foc/

  • 2.7K (All time)
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  • 3 Jun 2003

Statistical analysis of fractional order system BPF

Version 1.4.0.0 by Duong Pham

Spectral method for statistical analysis of fractional order system.

Based on operational matrix technique,explicit relations between first and second order moments of stochastic input and output for linear fractional order system are derived. Ref.:[1] Pham Luu Trung

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  • 22 Mar 2019

Lyapunov exponents of fractional-order systems

Version 1.0.4 by Hang Li

MATLAB code for Lyapunov exponent spectrum of Fractional-Order Systems (defined by continuous-time fractional differential equations)

The MATLAB code in this contribution is used to determine Lyapunov exponent spectrum of Fractional-Order Systems (FOS), including three classical examples: the fractional-order Lorenz system, the 4D

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  • 6 Dec 2023

Higher Order Ambisonics (HOA) library

Version 1.0.0.0 by Archontis Politis

Routines implementing higher-order ambisonics for spatial sound encoding, manipulation and decoding.

library implementing most common operations associated with higher-order ambisonics (HOA), which refer to a set ofspatial audio techniques for capturing, manipulating and reproducingsound scenes, based on a

- COMPACT HIGHER-ORDER AMBISONIC LIBRARY
- Returns the order weights for encoding or decoding that maximise energy vectors.
- Get vector of real orthonormal spherical harmonic values up to order N
- Converts between 1st-3rd order N3D/ACN signals to FuMa
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  • 1 Sep 2020

Harmonic extraction filter for any order

Version 1.3.0.0 by Awahab

This model extracts the harmonics of any order from 50 Hz component.

This model extracts the harmonics of any order from 50 Hz component. You have to specify the harmonic order which needs to be extracted. To use this filter, it is important to know in advance which

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  • 14 Jun 2018

Numerical methods in solving 1st order ODEs

Version 1.0.0 by Robby Ching

A collection of common numerical methods in solving an initial value problem of a 1st order ODE

It includes the following programs: Euler's method, Improved or modified Euler's method, and Runge-Krutta methods. The RK methods include 1st order (Euler's method), 2nd order (Heun's, Midpoint, and

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  • 3 Jul 2020

Better memory-mapped files in Matlab

Version 1.31.0.0 by Dylan Muir

A better, transparent memmapfile, with complex number support.

- Natural logarithm. (unary op)
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  • 18 May 2020

Non-Linear Fractional-Order PID Controller

Version 1.3.0.1 by Ivo Petras

Provides an equation of the non-linear fractional-order PID controller for given parameters.

Non-Linear Fractional-Order PID Controller of the form: u(t)=f(e(t))*(Kp*e(t) + Ti*D^-lambda e(t) + Td*D^delta e(t)), where f(e(t)) is nonlinear function: f(e(t))=K0+(1-K0)*|e(t)|.For more details

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  • 30 Mar 2022

Fractional variable order closed loop systems toolbox

Version 1.0.8 by Piotr

The toolbox allows to simulate and tune parameters of closed-loop systems with a fractional-variable-order digital PID (FVOPID) controller.

The toolbox allows to simulate and tune parameters of closed-loop systems with a fractional-variable-order digital PID (FVOPID) controller. The toolboox is purely written in MATLAB and uses

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  • 4 Apr 2024

Runge-Kutta Integration of GLONASS Orbits- Order 04 and 05

Version 1.0.0 by MEDJAHED Sid Ahmed

This program uses the Runge-Kutta Method of order 04 (RK04Prg) and order 05 (RK05Prg) to calculate GLONASS orbits using broadcast éphéméride

Runge-Kutta Integration of GLONASS Orbits by: 1- R-K Method Order 04 (RK04Prg) 2- R-K Method Order 05 (RK05Prg)This program uses the Runge-Kutta Method of order 04 (RK04Prg) and order 05

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  • 16 Dec 2025

himanshuRepo/Object-Classification-and-Image-Segmentation-using-Nature-Inspired-Algorithm

Version 1.0.0.0 by Himanshu Mittal

Differential Evolution (DE) based Image segmentation and object classification

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  • 27 Sep 2017

Digital Fractional Order Differentiator/integrator - FIR type.

Version 1.1.0.0 by Ivo Petras

General FIR digital differentiator/integrator.

A new general FIR digital fractional order differentiator/integrator based on power series expansion of the backward difference (Euler) rule.For more details see books:[1] Ivo Petras

- sysdfod=dfod2(n,T,r): digital fractional order differentiator
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  • 21 Nov 2011

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