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Is there a way to define a callback function in Matlab that triggers on runtime errors?
Depending on what exactly you want to clean up, creating an onCleanup object may be of use to you. When this object is destroyed...

1年以上前 | 0

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Unit testing of a script that requires a file as input
I would split your script into two pieces: An interface piece that calls input. This piece would not be used during automated t...

1年以上前 | 0

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Constructing a string with several index requirements
r2 = [0 30 60 90 120 150 180 210]; ind = 0:numel(r2)-1; result = join("ScanArray(0)(" + ind + ")=" + r2, newl...

1年以上前 | 1

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Changing values in an array with unknown dimension
You can use ind2sub as suggested in the answer posted by @Jaynik. But as they wrote that code, they hard-coded the number of dim...

1年以上前 | 1

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Mesh error on my Matlab R2024a home edition
You have your own script named strings.m. MathWorks introduced a strings function in release R2016b and this function appears to...

1年以上前 | 0

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Sparse matrix memory understanding
Please don't post pictures of code. MATLAB Answers can't run pictures of code. rng default Yb = unifrnd(-1, 1, [20000 20000]);...

1年以上前 | 0

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if/elseif statement with rand() falling between two values
You could either write your code like this: rng default % Allow both code segments to generate the same sequence of random numb...

1年以上前 | 0

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Rock, Paper, Scissors Game
You could, instead of making a matrix of results, make a table. possibilities = ["rock", "scissors", "paper"]; results = array...

1年以上前 | 1

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How to remove some xticklabels (but still keeping all the xticks)?
x = 1:100; y = exp(-0.1*x); plot(x,y) xticks(0:10:100) xl = xticklabels; xl(1:2:end) = {''}; % Replace every other label x...

1年以上前 | 1

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ltefadingchannel built-in function
which -all ltefadingchannel So this is a MATLAB code file. dbtype 189 lteFadingChannel.m It's a MATLAB function file. You can...

1年以上前 | 0

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Solve and Vpasolve can't find solutions
I am trying to solve this system of equations for my class. No, you have a system of inequalities and equations. Let's try solv...

1年以上前 | 1

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Suppressing braces and single quotes of a string matrix
That's not a string matrix. That's a cell array each cell of which contains a char vector. Commonly that's referred to as a cell...

1年以上前 | 0

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Array indices must be positive integers or logical values
If you are attempting to compile code using MATLAB Compiler that calls load to load an object from a MAT-file and there is no in...

1年以上前 | 0

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Problem with iradon in Matlab 2024b
Can you confirm that you're using the iradon function included in Image Processing Toolbox? The error message indicates the fail...

1年以上前 | 0

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Circshift bug for sparse logical.
This bug was fixed in release R2018a.

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Downsampling array data from counts per minute to counts per hour
Another potential approach would be to use the groupsummary function.

1年以上前 | 0

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I am struggling to store a function without it being evaluated so the function can be differentiated later.
The correct syntax to make that into an anonymous function is: startfunc = @(t) 1./t + log(t) Then evaluating it works like: ...

1年以上前 | 0

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Attempted to access solutionsofar(:,0); index must be a positive integer or logical.
To clarify, most likely solutionsofar starts off as a 0-by-0 matrix because it was declared as global. From that documentation p...

1年以上前 | 0

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A parfor loop and random number generator
See this documentation page for an explanation and a suggested approach to do what you want.

1年以上前 | 2

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MATLAb Solve function not solving
I ran the code using release R2019a and it seems to have worked correctly, giving results that match what others have posted in ...

1年以上前 | 1

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Simple question about creating an anonymous function,
The ode45 function requires the function handle you specify as the first input to accept two input arguments and return an outpu...

1年以上前 | 1

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Matlab Compiler: passing parameters
How can I prepare a compiled Standalone Application such that the user can open it either in a Matlab command window or a web br...

1年以上前 | 0

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difference between simulating a polynomial to the nth power and using the polynomial expansion theorem to expand it. the index increases, the difference in values increases
Let's look at the numbers involved in the calculations in your polynomial evaluations. I've renamed r0_values to just r0 to make...

1年以上前 | 1

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Installed package is not working
In order to see Control System Toolbox in the output of ver, specify 'control' (singular) instead of 'controls' (plural). ver c...

1年以上前 | 0

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How to scale values in y-axis to be 1-100%?
Use normalize to normalize your data to the range [0, 100]. x = [1, 2, 3, 4, 5, 6, 7, 8, 9]; y = [5, 50, 200, 180, 100, 60, 53...

1年以上前 | 1

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The Code to replace non-threshold indexes in Array
Get rid of the find call. A = randi(5,5) idx = (A > 3) % Make a logical mask A(idx) = log10(A(idx)) % Use the logical mask to...

1年以上前 | 0

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iscellstr warning "To support string in addition to cellstr, include a call to 'isstring'" unavoidable?
I am just wondering why a function cannot be used without throwing a warning. Does the function issue a warning when you run it...

1年以上前 | 0

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download example LLC converter
When I open the version of this example in the release R2022b documentation, the command that it shows me to open that example i...

1年以上前 | 1

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to use ismember with arraycell
Both outputs are the same size as the first input. gg = {'A'; 'A'; 'B'; 'A'}; [a1,b1]=ismember({'A'},gg) [a2, b2] = ismember(...

1年以上前 | 0

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Gets "Function 'subsindex' is not defined for valuse of class matla.ui.control.UICONTROL
Don't define a variable named set in your code. If you do, you will not be able to call the set function in that function. Modif...

1年以上前 | 0