Search results: tag:"variance" - MATLAB Answers

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Results for tag:"variance" (188 results)

Results 51 - 100 of 188

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Rolling window for portvar

Asked by Steve on 14 Sep 2020

MATLAB Mathematics Fourier Analysis and Filtering

1

answer

0 votes
7 views

How to insert the mean in a plot?

Asked by Enrica Brunetti on 25 Aug 2020

Latest activity Answered by Alan Stevens on 26 Aug 2020

Accepted Answer by Alan Stevens

Signal Processing Signal Processing Toolbox Digital and Analog Filters Multirate Signal Processing

1

answer

0 votes
11 views

How to write function to generate gaussian distribution of normal numbers with specified mean, variance and number of values?

Asked by Cai Chin on 19 Aug 2020

Latest activity Commented on by Cai Chin on 21 Aug 2020

Accepted Answer by Jeff Miller

Sciences Psychology Psychtoolbox-3: Vision and neuroscience research Timing and presenting 2D and 3D stimuli

1

answer

0 votes
1 view

How to make a loop that performs the same operation on a large matrix ?

Asked by Caroline Wyatt on 13 Aug 2020

Latest activity Commented on by Caroline Wyatt on 16 Aug 2020

Accepted Answer by David Hill

MATLAB Language Fundamentals Matrices and Arrays Creating and Concatenating Matrices

2

answers

0 votes
47 views

How to add a noise in my Input graph?

Asked by Maham Arooj on 13 Aug 2020

Latest activity Commented on by hosein Javan on 13 Aug 2020

Accepted Answer by hosein Javan

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Probability Distributions Continuous Distributions Uniform Distribution (Continuous)

1

answer

0 votes
3 views

mean, standard deviance, variance simplify the code if possible?

Asked by sydney salvador on 1 May 2020

Latest activity Answered by Pravin Jagtap on 4 May 2020

Sciences Material Sciences Stress and Strain

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answer

0 votes
22 views

Calculate Expected Value and Variance for Bivariate Normal Distribution

Asked by N/A on 6 Apr 2020

Latest activity Answered by Asvin Kumar on 10 Apr 2020

Accepted Answer by Asvin Kumar

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox

1

answer

0 votes
2 views

moving window chi square test for outlier removal

Asked by nlm on 31 Mar 2020

Latest activity Commented on by nlm on 1 Apr 2020

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Hypothesis Tests

1

answer

0 votes
86 views

How to get R squared of linear regression using fitlm

Asked by delmi3 on 14 Mar 2020

Latest activity Answered by Ameer Hamza on 14 Mar 2020

Accepted Answer by Ameer Hamza

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Regression Model Building and Assessment

1

answer

0 votes
6 views

randn command variance problem

Asked by fima v on 9 Mar 2020

Latest activity Commented on by Steven Lord on 9 Mar 2020

Accepted Answer by Ameer Hamza

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Probability Distributions Continuous Distributions Extreme Value Distribution

1

answer

0 votes
6 views

extract only white pixels from an image

Asked by Mary Baratzadeh on 28 Dec 2019

Latest activity Commented on by Mary Baratzadeh on 30 Dec 2019

Image Processing and Computer Vision Image Processing Toolbox

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answer

0 votes
17 views

Delete - Variance vs standard deviation when using var() and std() with decimal values from CSV file?

Asked by CW on 22 Nov 2019

Latest activity Edited by CW on 22 Nov 2019

Accepted Answer by Philippe Lebel

MATLAB Graphics Formatting and Annotation Labels and Annotations Axis Labels

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answer

0 votes
2 views

Gaussian distribution for 2D points

Asked by Ananya Malik on 26 Sep 2019

Latest activity Answered by the cyclist on 26 Sep 2019

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Probability Distributions Continuous Distributions Exponential Distribution

1

answer

0 votes
28 views

How to calculate variance?

Asked by CalebJones on 16 Sep 2019

Latest activity Answered by Sebastian Körner on 16 Sep 2019

Accepted Answer by Sebastian Körner

Signal Processing Signal Processing Toolbox Transforms, Correlation, and Modeling Correlation and Convolution

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answers

0 votes
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Estimate Two Scale Realised Variance TSRV in Matlab?

Asked by NS on 5 Sep 2019

Latest activity Commented on by Adam Danz on 6 Sep 2019

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Probability Distributions Continuous Distributions Student's t Distribution

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answers

0 votes
1 view

Why is variance high for high K value in this KNN code?

Asked by Vanditha Rao on 19 Jul 2019

Latest activity Edited by Ganesh Regoti on 29 Jul 2019

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

1

answer

0 votes
6 views

portfolio optimization using fmincon

Asked by Nathaniel Comar on 13 Mar 2017

Latest activity Commented on by Muhammad Zain Razak on 26 Jul 2019

Accepted Answer by Alan Weiss

Computational Finance Financial Toolbox Portfolio Optimization and Asset Allocation

2

answers

0 votes
37 views

computing Variance between vectors

Asked by mahmood hassan on 21 Jul 2019

Latest activity Answered by mahmood hassan on 21 Jul 2019

MATLAB Data Import and Analysis Descriptive Statistics

4

answers

1 vote
0 views

Is the description of mvnrnd a little bit misleading?

Asked by Mr M. on 17 Jun 2017

Latest activity Edited by Jochem Bonarius on 19 Jul 2019

MATLAB Data Import and Analysis Descriptive Statistics

1

answer

0 votes
6 views

Variance function in matlab

Asked by atan on 16 Jun 2019

Latest activity Answered by Guillaume on 16 Jun 2019

Accepted Answer by Guillaume

MATLAB

1

answer

0 votes
28 views

Is var command works also for complex numbers?

Asked by guy lasri on 10 Jun 2019

Latest activity Commented on by Steven Lord on 10 Jun 2019

Accepted Answer by Alex Mcaulley

Mathematics and Optimization Symbolic Math Toolbox MuPAD Mathematics Statistics Supported Distributions Random Number Generators

1

answer

0 votes
0 views

Is the following sample mean and variance fully vectorised?

Asked by Adarsh Kumar on 18 May 2019

Latest activity Commented on by Adarsh Kumar on 18 May 2019

MATLAB Graphics 2-D and 3-D Plots Line Plots

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answers

0 votes
1 view

How to run GARCH in Mean model with dummy variable in conditional variance equation?

Asked by NS on 9 May 2019

Latest activity Commented on by NS on 10 May 2019

Computational Finance Econometrics Toolbox Conditional Variance Models

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answer

0 votes
1 view

Creating and finding pixel values within a bounding box of an RGB image.

Asked by Erin Browne on 25 Apr 2019

Latest activity Commented on by Walter Roberson on 30 Apr 2019

Image Processing and Computer Vision Image Processing Toolbox Image Filtering and Enhancement Image Arithmetic

1

answer

0 votes
2 views

expectation of random numbers

Asked by bus14 on 22 Apr 2019

Latest activity Answered by Matt J on 22 Apr 2019

Accepted Answer by Matt J

MATLAB Language Fundamentals Matrices and Arrays Creating and Concatenating Matrices

1

answer

0 votes
9 views

average and variance of a double array

Asked by Guido Pastore on 6 Mar 2019

Latest activity Commented on by Guido Pastore on 6 Mar 2019

Accepted Answer by madhan ravi

MATLAB Language Fundamentals Data Types

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answers

0 votes
1 view

variance of columns in a 512*512 matrix

Asked by arezou phys on 1 Mar 2019

Latest activity Commented on by Stephan on 1 Mar 2019

MATLAB Language Fundamentals Matrices and Arrays Multidimensional Arrays

1

answer

0 votes
66 views

complex Gaussian noise signals with zero mean and different variance?

Asked by zayed on 2 Jan 2012

Latest activity Commented on by Srikanth V on 30 Jan 2019

Accepted Answer by Andrew Newell

Signal Processing Signal Processing Toolbox Transforms, Correlation, and Modeling Correlation and Convolution

1

answer

0 votes
79 views

How to create a unit wiener process

Asked by vaggelis papasot on 21 Aug 2017

Latest activity Edited by A G on 19 Jan 2019

Mathematics and Optimization Optimization Toolbox Problem-Based Optimization Setup

1

answer

0 votes
4 views

How to find variance,entropy,average gradient of an image?

Asked by Aditi on 23 May 2011

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Descriptive Statistics and Visualization Descriptive Statistics

1

answer

0 votes
0 views

I am unable to understand what happening in this code of Variance of 3*3 neighborhood

Asked by Fatima Rashid on 3 Dec 2018

Latest activity Commented on by Image Analyst on 14 Jan 2019

Image Processing and Computer Vision Image Processing Toolbox Image Filtering and Enhancement Image Arithmetic

0

answers

0 votes
3 views

calculating or knowing the bias of a simulation

Asked by cgo on 6 Apr 2015

Latest activity Commented on by Tugce TOPRAK on 11 Jan 2019

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Probability Distributions Continuous Distributions Noncentral t Distribution

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answers

0 votes
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variance in predicted values of decision trees

Asked by Pierluigi Frisco on 9 Jan 2019

Latest activity Edited by Pierluigi Frisco on 10 Jan 2019

MATLAB External Language Interfaces Python with MATLAB Call Python from MATLAB

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answers

0 votes
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3D-Plot of a portfolio variance

Asked by Nicolò Ceneda on 15 Nov 2018

Computational Finance Financial Toolbox Portfolio Optimization and Asset Allocation

0

answers

0 votes
6 views

HAR-CJ model

Asked by Fabio Zanini on 12 Nov 2018

Simulink Modeling

0

answers

0 votes
1 view

Find weights of a portfolio given variance and covariance matrix

Asked by DrLoz on 17 Oct 2018

Computational Finance Financial Toolbox Portfolio Optimization and Asset Allocation

1

answer

0 votes
19 views

Implementing Welford's Algorithm (incremental variance calculation)

Asked by Ersa U on 10 Aug 2018

Latest activity Commented on by Jeff Miller on 10 Aug 2018

Accepted Answer by Jeff Miller

Signal Processing DSP System Toolbox Statistics and Linear Algebra Linear Algebra

1

answer

0 votes
1 view

The difference between Gaussian Noise variance (user defined) and MATLAB generated variance (using built-in function var)

Asked by Ann Ngo on 16 Jul 2018

Latest activity Answered by Dimitris Kalogiros on 18 Jul 2018

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Hypothesis Tests

0

answers

1 vote
1 view

Filtering noisy/high-variance data out

Asked by Jakob Sievers on 22 Nov 2012

Latest activity Commented on by Tehmina Kakar on 13 Jul 2018

Radar Phased Array System Toolbox Waveform Design and Signal Synthesis Matched Filter and Ambiguity Function

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answers

0 votes
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Get peak in specific range of a 3D array.

Asked by Ruben van Oosterhoudt on 1 Jun 2018

Image Processing and Computer Vision Computer Vision Toolbox Feature Detection and Extraction

1

answer

1 vote
1 view

Is there a function in MATLAB which is similar to "nearZeroVar" in R?

Asked by MathWorks Support Team on 10 May 2018

Latest activity Answered by MathWorks Support Team on 14 May 2018

Accepted Answer by MathWorks Support Team

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Classification Classification Ensembles

2

answers

0 votes
56 views

Matlab SVD & PCA - which singular values belongs to which variables?

Asked by Jonathan Gundorph Jansen on 6 May 2018

Latest activity Answered by JESUS DAVID ARIZA ROYETH on 6 May 2018

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Dimensionality Reduction and Feature Extraction

0

answers

0 votes
0 views

vratiotest 'period' input

Asked by Jack Bratton on 22 Apr 2018

MATLAB Language Fundamentals Data Types

0

answers

0 votes
0 views

What function to use to calculate a vector of variance ratios

Asked by Jack Bratton on 22 Apr 2018

Computational Finance Financial Toolbox

1

answer

0 votes
4 views

Error in function 'var' while calculating variance

Asked by Emilio Morilla on 26 Apr 2016

Latest activity Commented on by soumya sagar sahoo on 20 Mar 2018

Accepted Answer by Steven Lord

MATLAB Language Fundamentals Data Types Numeric Types Logical

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answers

0 votes
1 view

Accounting for error propagation and regression errors.

Asked by Jeppe Stokholm Kjer on 19 Mar 2018

Latest activity Edited by Jeppe Stokholm Kjer on 19 Mar 2018

Mathematics and Optimization Optimization Toolbox Least Squares

1

answer

0 votes
3 views

Plotting the mean and variance of 100 Brownian/Wiener paths

Asked by Mel Hernandez on 8 Feb 2018

Latest activity Commented on by Mel Hernandez on 11 Feb 2018

Accepted Answer by John D'Errico

MATLAB Graphics 2-D and 3-D Plots

0

answers

0 votes
2 views

First order markov process (continuos stochastic process) discretization

Asked by Marco Maccotta on 5 Feb 2018

Computational Finance Econometrics Toolbox Regime-Switching Models Markov Chain Models

1

answer

0 votes
2 views

Why does variance of a vector containing same number is not zero?

Asked by MathWorks Support Team on 30 Jan 2018

Latest activity Answered by MathWorks Support Team on 30 Jan 2018

Accepted Answer by MathWorks Support Team

MATLAB Language Fundamentals Matrices and Arrays Creating and Concatenating Matrices

1

answer

0 votes
2 views

How to calculate channel matrix for 2x2 mimo with unity variance?

Asked by ragini k on 30 Jan 2018

Latest activity Answered by Abhishek Ballaney on 30 Jan 2018

Accepted Answer by Abhishek Ballaney

Wireless Communications Communications Toolbox Link-Level Simulation

Results 51 - 100 of 188