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updated 3 months ago

A Simple Finite Volume Solver for Matlab by Ehsan

A simple yet general purpose FVM solver for transient convection diffusion PDE (fvm, finite volume method, dirichlet)

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updated 4 months ago

1D Shallow Water Equations Dam Break by James Adams

Solves the 1D Shallow Water Equations for a Dam Break scenario (shallow water equatio..., finite difference, pde)

SWE_DamBreak_JA

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updated 6 months ago

1D Finite Element Method (FEM) Example by Cheuk

A 1D finite element method (FEM) example is provided to teach the basics of using FEM to solve PDEs. (finite, element, method)

a_def(node)

act_quad(dof_pos, ref_quad_pos, num_edges)

compute_RHS_global(RHS_local, loc_glob, num_edges)

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updated 7 months ago

1-D Finite Difference Code - Solid w/ Surface Radiation Boundary by oteast

A 1-D finite diffence code showing how to handle Surface Radiation boundary (thermal, finite difference, radiation)

RadCondOneD.m

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updated 9 months ago

Easy clustering of a vector into groups by Antoine Liutkus

Automatic find peaks and associate each point to a peak in a vector (peaks, groups, cluster)

peaksandgroups(V,select,display)

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updated 12 months ago

Quicker 1D linear interpolation: interp1qr by Jose M. Mier

Same functionality as built-in MATLAB function 'interp1q' but 3x faster. (interpolation, fast, linear)

interp1qr(x,y,xi)

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updated 1 year ago

Matlab version of qm1d - 1d Schrödinger equation solver by Vasil

Find eigen values and eigen vectors of Schrödinger equation and plot them. (1d, egenvectors, eigenvalues)

qm1d_fast(NPTS,NSTM,a,b,f_pot_handle)

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updated 1 year ago

Piecewise linear least square fit by Guido Albertin

Fit experimental data with linear piecewise continuos function with given x-axis break points. (lut, 1d, lookup table)

lsq_lut_piecewise( x, y, XI )

lsq_lut_piecewise_test.m

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updated 3 years ago

Laplacian in 1D, 2D, or 3D by Andrew Knyazev

Sparse (1-3)D Laplacian on a rectangular grid with exact eigenpairs. (matrix, mathematics, laplacian)

laplacian(varargin)

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updated 3 years ago

Minimum Entropy Deconvolution (MED 1D and 2D) by Geoff McDonald

Generates a 1D FIR filter iteratively to minimize the entropy of the filtered signal(s). (minimum entropy decon..., maximum entropy decon..., med)

med2d.m

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updated 4 years ago

GAFFE A toolbox for solving evolutionary nonlinear PDEs by Edward Grace

This toolbox implements the well known split-step Fourier technique for solving nonlinear PDEs. (pde, fft, nonlinear)

B=fftnpad(A,varargin)

DefaultDiffraction(dz,KX,X,u,U)

DefaultDiffractionFibich(dz,KX,X,u,U)

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updated 4 years ago

1D electromagnetc wave in dispersive medium GUI using FDTD-dispersive methode_V 1.0 by sofiane ameid

1D code to simulate a wave parpagation in differente medium(Lorentz,Drude,debye) (electronics, communications, simulation)

Wave_Dispersive_medium_By_Sofiane_AMEID_bis.m

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updated 5 years ago

Reshape 1D to 2D with Balance by Dr. Murtaza Khan

Reshapes 1D array to 2D array with size of rows and columns of B is balance (reshape, vector, 1d)

B=reshape1dto2dbalance(A)

factor2(k)

reshape1dto2dbalanceTest.m

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updated 5 years ago

Bezier Interpolation in N-Dimension Space by Dr. Murtaza Khan

Bezier interpolation for given four control points. Each control point can be in N-Dimensional. (approximation, interpolation, bezier)

[Q]=bezierInterp(P0,P1,P2,P3,varargin)

bezierInterpTest.m

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updated 5 years ago

Matlab version of qm1d by Vasil

Find and plot eigenvalues and eigenvectors of 1d schrodinger equation. (schrodinger equation, eigenvalues, egenvectors)

qm1d_fast(pot_filename,NPTS,NSTM,L)

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updated 6 years ago

1D Walsh Transform by Andre

Function to generate a Walsh-Matrix one can use to do a 1D Walsh Transform (transforms, walsh, transform)

walsh(N, classname)

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updated almost 7 years ago

Fast Walsh-Hadamard Transform by Gylson Thomas

The function implement the sequency(Walsh) ordered fast Walsh-Hadamard transform. (transforms, walsh transform, fast)

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updated 7 years ago

Integer order 1D Gaussian function by Adam Wyatt

Performs a Gaussian function of any positive order. (integer order, 1d, gaussian function)

gauss1D(x, x0, FWHM, order)

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updated 7 years ago

natural (Hadamard) and dyadic (Paley) ordered fast Hadamard transform by Gylson Thomas

The function implement the 1D natural(Hadamard) and dyadic (Paley) ordered fast Hadamard transform. (transforms, fast hadamard transfo..., 1d)

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updated almost 8 years ago

1D Gaussian lowpass filter by William Rose

Returns coefficients of 1D Gaussian lowpass filter (filter design, filter analysis, gaussian lowpass filt...)

b=gaussfiltcoef(SR,fco)

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updated 9 years ago

1-D Unstructured Finite Differences by Greg von Winckel

Computes 3-, 5-, and 7-point FD matrices for unstructured grids (differential equation..., 1d, finite)

[D,D2]=fd3pt(x)

[D,D2]=fd5pt(x)

[D,D2]=fd7pt(x)

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updated 10 years ago

Walsh Transform(1D) by Ahmad Poursaberi

The function implements the 1D Walash Transform. (transforms, walsh transform, 1d)

walsh1d(I);

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updated 11 years ago

Spatial Error Analysis: A Unified Application-Oriented Treatment by David Hsu

Companion Software (statistics, probability, spatial error)

Ka=an2ka(a,N)

R=cdcaui(p,sig)

R=edcaci(p,sx,sy,rho)

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