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solving a nonlinear equation with complex numbers
Zo = 50; syms R syms X Z=(R*1i*X/(R+1i*X)); r=(Z-Zo)/(Z+Zo); assume(R,'positive') assume(X,'real') eqn=[abs(r)==0.5, an...

14日前 | 0

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Is there a way to define a callback function in Matlab that triggers on runtime errors?
Sorry, there is no way of doing this. The most you can do is put a try/catch around the top level of your code. However, when t...

14日前 | 0

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How to add pattern fill to markers in scatter plot?
There is unfortunately no simple way to add hatch filling. To apply hatch filling, there are two possibilities: Create sample ...

14日前 | 1

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Second order PDE solving CFD problem
conv_term = (theta(i, j) - theta(i, j-1)) / dx; diff_term = (theta(i+1, j) - 2 * theta(i, j) + theta(i-...

14日前 | 0

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Integrating Parallel Computing with App Designer for Real-Time UI Updates
The only Mathworks product that is designed for Real-Time work is Simulink Real-Time. You will never be able to get Real-Time ...

14日前 | 0

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Fourier Transform of e^jkt, not giving an answer
The fourier transform of that function does not converge. You need to take abs(t) syms t w K S=exp(K*j*abs(t)) F = fourier(S...

15日前 | 1

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Need a MD5 Hash file
https://www.mathworks.com/matlabcentral/fileexchange/5498-md5-signature-of-a-file https://www.mathworks.com/matlabcentral/file...

15日前 | 0

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How do I save adw modified audio to a wav file
Use dsp.AudioFileWriter Note: in your current code, the y that you audiowrite() would represent only the last buffer-full of da...

16日前 | 1

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I wanna solve to solve
The fundamental problem here is that when you use the old form of solve that used quoted expressions, that variables defined in ...

16日前 | 0

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creating spatial heat map in matlab for one variable with x,y coordinates
You tried to calculate the pairwise distance between 112899 points . The way your code is structured, that involves building a 1...

16日前 | 0

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I am trying to run an code an shows Number of elements must not change. Use [] as one of the size inputs to automatically calculate the appropriate size for that dimension.
N = round(double([f_x; b_x])); M = round(double([f_y; b_y])); We are not given any information about the sizes of f_x or f_y o...

16日前 | 1

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Latin Company Name.
"Latin Company Name" is the internal name Mathworks gives to "Company Name" fields on various sign-up forms, such as https://www...

16日前 | 0

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Cómo podría agregar una restricción sobre una variable dependiente en lugar de los parámetros a optimizar?
You would use the nonlcon parameter to add constraints. You would likely use a function to calculate size of the fifth crystal...

16日前 | 0

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Serial: Real-time plotting and storaging streaming data from Arduino slowing down badly over time
Table = [Table; newLine]; Each time that statement is executed, MATLAB needs to examine...

16日前 | 0

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Input for ARfit ? (EEG analysis)
What I have is a vector where the rows are the EEG channels, and the columns are the signal values for each data point. Your in...

16日前 | 1

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MATLAB symbolic definite integration error while taking symbolic function as input arguments
syms a v T disp(int(@(tau) tau*v, 0, T)) disp(int(@(tau) tau*a, 0, T)) Notice that in the first case, it integrated with resp...

17日前 | 1

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Scatter fails if all elements but one at index(1,1) are nan.
This is fixed in R2023b (maybe slightly earlier) There does not appear to be any public bug report about this.

18日前 | 0

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How to display color intensity contour of gray scale image
Converting to gray is rgb2gray Displaying the image in the indicated way would probably be surf followed by a colormap call.

18日前 | 0

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Double integral problem with function handles to make the program faster instead of using symbolic
ksi and ita are undefined at that point. If you define them with syms then the integration works. syms ksi ita i=3; %actually ...

18日前 | 0

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Why do i get the error (Array indices must be positive integers or logical values) when trying to calculate the determinant
det = det(M) There would not be any error the first time you ran that code. The first time, det would refer to the det determin...

18日前 | 2

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How to solve a task within Machine Learning Onramp Course?
You did not add a local function named extract to your file. A "local function" is one that is placed at the end of your code, s...

19日前 | 0

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trying to speed up image exports
This test suggests that writing to ppm might potentially be faster, with writing to JPEG2 being notably slower. data = randi([0...

19日前 | 0

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Multiple nested for loops for machine learning model hyperparameters
for j =1:length(nfilterSize) %j is active at this level for k = length(nnumBlocks) %j and k are active at this level ...

19日前 | 0

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CUDA seems not to be supported
There is a difference between the toolkit version and the nvcc version. The toolkit version is essentially the driver version th...

19日前 | 0

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I am not able to debug my script as follows
PaAVE1=(Pa1+Pa2)/2; You assign to PaAVE1 but you do not use PaAVE1 afterwards cPaAVE1=C*PaAVE; No variable PaAVE is defined. ...

20日前 | 0

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"For Iteration" output index appears to perform parallel selector indexing in series instead
It sounds as if you have something of the form for J = 1:length(FirstVector) %some operation end for K = 1:length(Second...

20日前 | 0

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Error install_mex while using OMEGA add-ons
Those are warnings. It is optional to compile in OPENGL support. It is optional to compile in ROOT support. ROOT support is to...

20日前 | 0

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Can MATLAB be used to call excel, calculate outputs, and place back into MATLAB Workspace iteratively in for loop?
Spreadsheet Link is for running MATLAB from within Excel, but you want the opposite, to run Excel from within MATLAB. Running E...

20日前 | 0

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How to generate a .dat from i q data?
Probably it goes something like this: filename = 'OutputFileNameGoesHere.dat'; [fid, msg] = fopen(filename, 'w'); if fid < 0 ...

21日前 | 0

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How to distribute runtime input values to two vectors?
You would use something like a = [a, i(n)]; ... making sure that you had initialized a before the loop.

21日前 | 0