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Cannot define a cell array of custom classes in function argument validation
What's the default value for your property? properties (Access = private) configurations (1, :) cell {mustBeA(configurat...

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I think, I might have a problem with the 'hold' part and I get the 'error while evaluating button privatebuttonpushedfcn'
Don't call figure if you don't want to create a new figure.

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Can I use a struct in an anonymous function?
When I run the ode15s I obtain an error which pertains to the inclusion of the struct as an input to the function. Please show...

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How to fill a variable with the results of an if...elseif statement
Rather than creating variables whose number of rows is not known ahead of time, I'd consider creating a table of coordinates and...

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I am getting errors that I am using ".*" and "*" wrongly in my matrix multiplications in my code. I am poor at matrix algebra and don't know when to use each operator.
Read through this documentation page and ask yourself the question: do I want to multiple each element of one array by the corre...

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Plotting a graph based on a large table
When you say "haven't got a clue how to do it" does that mean that you know what type of plot you want to create but don't know ...

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Subtracting matrices by column and performing a summation.
Some functions you'll find useful are the diff, abs, and sum functions. The latter two are pretty easy to find in the doc by sea...

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Choose any workspace from dbstack for evalin
It comes to me whether I can specify any workspace found in the dbstack here. No. For the evalin function in MATLAB you can spe...

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splitting a vector into separate vectors
Can you dynamically create variables with numbered names like V1, V2, V3, etc.? Yes. Should you do this? The general consensus ...

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Deployed Matlab function with strage errors: functions not found
I am fairly certain that the limitation described in the "Do Not Rely on Changing Directory or Path to Control the Execution of ...

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Using a variable in an input prompt
Another possibility you can use in recent releases of MATLAB (since I think release R2016a) is to use a string array. ii = 5; ...

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Compare char data in a cell {'x'} to a character 'x'
You've got a lot in here. I'm going to step through certain parts. Let's start off with this comment (formatting added, your wo...

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How do i multiply this matrix to work in MATLAB, it keeps sending an error
What did you expect to happen when you typed p. in your expression? That's not valid MATLAB syntax. If you had a number instead ...

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Changing the value of only one parameter causes a problem (possibly with while loop)
Let's look at the while loop. while (V(i) >= Vmax) D(i)=floor(20*(sqrt(4*Q(i)/(pi*Vmin))))/20; V(i)=Q(i)/(pi...

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Examples missing from requirements toolbox installation
I'm not 100% certain, but it looks like this page from the release R2022b documentation (the third entry under Topics in the Req...

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Duration of time values for separate datasets and plotting on x-axis
set0_time=["085440","091530","092000","093020","100000","100020","101325"]; set0 = set0_time; set0_ydata=[30 50 60 72 82 85 88...

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How can I bring back the command prompt in the command window after it disappeared ??? I cant execute commands !! if I press enter the commands disappear,
In the lower-left corner the status message says "Waiting for input". Does your code call the input function (perhaps with an em...

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How to reopen tabs for different projects
Sounds like you may want to create a MATLAB Project for each of your projects.

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Undefined function or variable 'aviread'. >> aviread('traffic.avi'); Undefined function or variable 'aviread'.
There used to be an aviread function in MATLAB, but I believe it was removed sometime around release R2014b. The recommended rep...

mehr als ein Jahr vor | 1

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how i can show in matlab tha sqrt(x^2)=x in symbolic toolbox
That's not true in the general case. A = 1; h0 = 1; dhmax = 2; B = -5; lhs = ((2*A*dhmax + B*h0)^2/h0^2)^(1/2) rhs = (2*A*...

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An absolutely ascending sequence
Those who have said there is no function for this are incorrect. The issorted function allows you to ask if an array is sorted a...

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Strange case of Code analyzer and if-else block
It’s rather obvious that only one of the blocks will execute, and it seems redundant for the analyzer to flag this. In this cir...

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The rotation in the rectangle function in matlab cannot be used, but the 2022 version can be used.
try rectangle('Position',[1 2 5 6],'Rotation',45); catch ME fprintf("This command threw the following error:\n%s", ME...

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How can I fix ODE45 returning a straight line when using specific `tspan` points, instead of showing dynamic behavior over the time range?
Your ode_LR function is defined to accept four input arguments, the two required arguments plus two additional parameters. func...

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error running getting started code
If you're using this matrix: a = [1 3 5 2 4 6 7 8 9]; the warning is correct. The matrix y...

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Using "unique" to identify unique values AND number of occurrences of each unique value
Use the groupcounts function. A = {'AGAP001076-RD' 282 0.67229 'AGAP001076-RD' 285 0.75292 'AGAP001076-RD' 286 0.66957 'AGAP...

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Having trouble printing variables I use as inputs to a function.
Let's look at a few selected lines of your code. The only variable that gets displayed with NaN values is uvwAndrSol so let's fo...

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No matter the NOA matrix I enter, the result I receive is "empty double column vector" and I want to receive a numerical value.
Let's look at the last column of your two matrices. syms phi_a phi_o phi_n %Rotation in a T_a = [cosd(phi_a), -sind(phi_a), 0...

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How to convert a function handle to symbolic function?
Are you hoping to use this fit object as the right-hand side of a differential equation ? If so keep in mind that fit objects ha...

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bitshift in matlab vs ishft in fortran
Instead of using bit operations yourself, why not just use typecast? t = 'int32'; x = randi([intmin(t), intmax(t)], 1, 2, t) %...

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