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how can i read letters from an input and make them numbers to make an array from those numbers
ValidInputs = {'AB', 'BC', 'CD', 'DE', 'AD'}; INPUT = input('enter some letters', 's'); [found, idx] = ismember(lower(INPUT), ...

1 year ago | 0

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How to use both GPU devices in the laptop
MATLAB is only able to use NVIDIA GPUs for deliberate GPU access. MATLAB has no way of accessing the Intel Iris Xe GPU in the ...

1 year ago | 2

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functions inside nnperformance/+sse do not print
After changing code inside the MATLAB directories, you need to rehash toolboxcache Is a binary code running instead to speed ...

1 year ago | 0

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How do I save changes to a matrix in a while loop?
overall_score = [0 0 0]; before the while loop. overall_score = overall_score + score; fprintf('Overall Player Wins: %d\n Tie...

1 year ago | 0

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Answered
Matlab no longer running scripts
For certain older versions of MATLAB, and more common on Mac, MATLAB could apparently hang at random times, including on start-u...

1 year ago | 0

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Why does feval produce the error 'cannot automatically convert a double variable to categorical values'?
You design your tbl so that the first column is categorical. You construct a fitlm model from that. You attempt to feval() the...

1 year ago | 0

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Answered
Why am I getting a NaN value when calling a variable using uicontrol?
Try AvgSpeed1 = mean(RealSpeed1, "omitmissing");

1 year ago | 0

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Answered
Is it possible to open an java-based figure from the new desktop?
Yes. The new desktop is largely javascript, but traditional figures created with figure() are still java based.

1 year ago | 0

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Changing Matlab online version to older one
Sorry, you cannot change MATLAB Online to use an older version.

1 year ago | 0

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Answered
I have a set of data from an ultrasound image that I need to convert from a .mat file to a file that can be viewed in CAD software or 3D slicer.
By far the easiest way to write dicom files is to already have a representative file of the same type, and use dicominfo() on th...

1 year ago | 0

Answered
IFFT function doesn't work for modified fourer spectras
[nt,j]=size(Gilroy1); %... f0=0:df:(nt-1)*df; %... Y=fft(y); Y1=abs(Y); %... FW=1./(cos(2*pi*f0*H/V)); %... YY1=Y.*FW'; ...

1 year ago | 0

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Handling Missing values in cell array from Excel cell extraction
mask = cellfun(@(C)any(ismissing(C(:))), extractedData.partCategories, 'UniformOutput', false);

1 year ago | 1

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Answered
dot indexing not supported for this type of variable” error
When you use predictFcn, the input data needs to be in the same format that you trained on. If you trained on a table() object,...

1 year ago | 0

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Question about solving symbolic coupled non-linear equations
The main issue was that you are displaying a struct, and symbolic variable arrays are not expanded for struct. The second issue...

1 year ago | 0

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Answered
Event function Indexing Error
The isterminal vector returned by the event function must be the same length as the value return. Your IC are probably at least...

1 year ago | 0

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"Not enough input arguments" error when using fullfile
S1 = dir(fullfile(P,'*(7)*.csv')); That is returning the empty result, because it cannot find the directory or cannot match *(7...

1 year ago | 0

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关于 ndgrid 如何用正整数参数生成浮点数网格坐标数组，然后用 hypot 计算矢量长度度，出错 ?
Yes, ndgrid with two outputs is designed to have the same output type as input type. Well, except that sparse matrices are promo...

1 year ago | 0

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Answered
How to use "predict" to get x value for a given y value?
Scattered X and y values with X increasing. Suppose you had the input X Y 1 1 1 0.5 1 -0.1 2 2 2 1...

1 year ago | 0

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How to use y2abcd function if y parameter matrix has variables
Nothing in the RF toolbox accepts symbolic parameters (unless it is by accident.) You cannot use y2abcd() with symbolic paramet...

1 year ago | 0

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Answered
How to check if errordlg is shown
Looking at /Applications/MATLAB_R2024b.app/toolbox/shared/dastudio/+DAStudio/@DialogProvider/DialogProvider.m it appears to be ...

1 year ago | 0

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fmincon is not working
I bet expected_returns is a row vector. fmincon() passes values to the objective function in the shape of the x0 array. Here yo...

1 year ago | 0

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please help me to understand "AWGN Channel" and "HDL Implementation of AWGN Generator" blocks ?
HDL Implementation of AWGN Generator is used in HDL designs. It is specifically designed for HDL use. AWGN Channel is designed ...

1 year ago | 0

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complex number : real part and imaginary part
syms x mu real syms t real %c alpha=1 U=zeros(1,1,'sym'); A=zeros(1,1,'sym'); B=zeros(1,1,'sym'); C=zeros(1,1,'sym'); D=...

1 year ago | 0

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Answered
How to write subscript and superscriopt in a single variable?
You can create symbolic variable names that are specially formatted. When expressions using those names are displayed in LiveScr...

1 year ago | 0

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When I try to constrain node 3 to a line my displacements become ridiculously large, what am I doing wrong?
The rank() of GlobalK is only 6 but the matrix is 8 x 8. Using GlobalK \ F is likely to generate garbage. If you must use a ra...

1 year ago | 1

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Expression is too large for MATLAB to evaluate
Unfortunately, the expression is simply too large for the Symbolic Toolbox to handle. You will need to do something like taking...

1 year ago | 0

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why do i get error using * ?
integral() always passes a vector of values to the function being integrated (unless 'ArrayValued' is set to true). So in inte...

1 year ago | 0

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Do not understand documentation to add third party Arduino libraries
I suggest you use arduino-cli lib install --zip-path /PATH/TO/RoboClaw.zip --config-file arduino-cli.yam

1 year ago | 1

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Answered
Is there a way to pause gamultiobj, run other computations/scripts and resume gamultiobj (with and without restarting MATLAB)?
First of all, create some globally accessible stop flag, such as in the base workspace. Second of all, run gamultiobj with opti...

1 year ago | 0

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Why can't Matlab do the factorial of a non-integer number?
MatLab 'factorial' is coded so to work with integers only. More generally: factorial is only defined for non-negative integers....

1 year ago | 1