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How to find the correlation between 14 subjects
xcorr2 is the MATLAB function for 2D cross correlation

1 year ago | 0

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Loop through ,mat files and find a specific column with conditions
If you have MAT files you load them using the load function. No need to use fopen or fread.

1 year ago | 0

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Non-compatibility of Microsoft Visual C++ 2022 with CUDA 11.6/11.8 toolkit on MATLAB R2022a
The GPU Coder support for VS 2022 is not yet in R2022A or R2022B yet, so that might be the problem with the combination of produ...

1 year ago | 0

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Trying to save the outputs of a for loop
The first value of R in the loop is 20, and you are reassigning/overwriting zeros to e on every pass through the loop. Before t...

1 year ago | 0

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Fiber detection Hough Transform
Very small and fine features. You might try the 2D FFT and see if this provides a better way to estimate rotation.

1 year ago | 0

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read text file - header and numerical part
Try detectImportOptions and readtable, setting the VariableNamesLine of the options structure to the line that you are looking f...

1 year ago | 0

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How to create RGB image from multispectral image?
I don't see in the documentation of the image function that it accepts a parameter list like you are using. You can combine the...

1 year ago | 0

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the speed of gif is very slow!
Have you tried using the performance analysis tool in the MATLAB Editor to identify where the most time is being spent and this ...

1 year ago | 0

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How to check if a generated number is between 2 values
You can use the logical operator & to combine multiple tests. You can either get an index vector with the results of all tests ...

1 year ago | 0

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When I try to use the function 'magic(n)', Matlab says that the execution of the script magic is not supported
If your magic.m file does not have "function" at the top, then it is a script and not a function. Scripts cannot be passed argu...

1 year ago | 0

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Simulink variable signal size
You cannot change the size of signals during a simulation run. That is what your MATLAB function is doing, trying to add new da...

1 year ago | 0

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How do you create a Stateflow Chart with inputs and outputs being vectors, which change every timestep?
When you add an input or output to a chart block in the Simulink model, you can set the size to something other than -1. But ma...

1 year ago | 0

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How to rotate or mirror the contents in the figure with axes?
Can you re-plot with new y values, y = 500 - y? Basically reverse the order of the y values before plotting.

1 year ago | 0

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Plotting a bird using mathematical equation issue.
The radius values Rk do not seem to be used properly. Are you calling scatter correctly? Looks like maybe you need three argum...

1 year ago | 0

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How to import C++ and Java code into Simulink environment using S function?
You could start here: https://www.mathworks.com/help/matlab/matlab_external/integrate-matlab-with-external-programming-language...

1 year ago | 0

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read multiple .csv files in 'for loop', extract and write data to .txt
So building on Stephen's comment. You may also get better results using readmatrix or readtable than xlsread. % Read multiple ...

1 year ago | 0

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I'm trying to display a 2D table
To read the rows and columns of a two dimensional table you need to use two indices: In your example: tableau(1,1) == 1 tab...

1 year ago | 1

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Simple question but i can't do it i just started using matlab
x = 1:5; a = 2; y = a.^x; plot(x, y);

1 year ago | 0

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Get the displacement component which is perpendicular to the triangle (finite element)
d1 = [0.000131475 -0.000706995 0.000754736] You can make one of the vectors the origin by subtracting it from the other two, t...

1 year ago | 1

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Parameter and constant management for embedded coder
You should look over the examples included for Embedded Coder. There are some dealing with tunable parameters. Usually you nee...

1 year ago | 0

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Could somebody help me to implement an algorithm with stateflow?
Please start with the Stateflow Onramp Training on the Mathworks website. Then try to implement your algorithm and if you have ...

1 year ago | 0

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hermetic compressor simulation using simulink
You can start with the Simulink Onramp training on the Mathworks website. Then attempt to apply what you have learned to the pr...

1 year ago | 0

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Problem in Signal Processing in MATLAB Course
What licenses do you have? The task seems to be trying to find Coder products which are not commonly used in student classes. ...

1 year ago | 0

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looping in all audio files
dir('*.wav') will return a struct containing all the audio file names. Then you can pass the name field of each element of that...

1 year ago | 0

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Is it possible to inline Code Gen of top level Simulink model containing model references?
For generating C or C++ code using Embedded Coder, if you right click on the subsystem block, go to Block Parameters, and go to ...

1 year ago | 0

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alignment of images - is there no function to align control points?
Your control points do not match up, and the last control point actually does not appear in the distorted image.

1 year ago | 0

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Wind gust modeling on Simulink...
The Aerospace Blockset has a variety of blocks for wind modeling, and discrete wind gusts per the MIL-F-8785C specification is o...

1 year ago | 0

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How do I extract fixed-width columns from a file that includes empty spaces?
Use the import data tool and configure the delimiter options to use space and treat multiple delimiters as one. You can generat...

1 year ago | 0

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Convert Video to lower quality file
You use VideoWriter to write out to an output video, like in this example: https://www.mathworks.com/help/matlab/import_export/...

1 year ago | 0

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Simulink bus object modification from Matlab script
This article explains some ways of modifying the model workspace. If you have more specific questions please ask them and post ...

1 year ago | 0