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Using Matlab as a variable name
There is a package named matlab that some functionality in MATLAB uses (such as the unit testing framework matlab.unittest packa...

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Add Text Subscript to Table string
You don't. The text in the table doesn't have any sort of formatter or interpreter associated with it; it's a collection of char...

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Problem with function handle array evaluation
Define two helper functions: apply = @(fun, x) arrayfun(fun, x, 'UniformOutput', false); stack = @(x) vertcat(x{:}); Now let'...

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Error about preallocating for speed
Those lines of code don't error. When Code Analyzer analyzes your code it issues a warning about those lines indicating that the...

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i need help with the matlab assigment i have done all the part but i just need to store them in vector and display the user output number and all its divisors in a meaningful
sum = 0; You should use a different name for this variable, as sum already has a meaning in MATLAB. x = input ( 'please input ...

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I am not able to get the answer for the following code, I am using golden search section method.
You define a function named gss but you never call that function. Also, I would remove the first three lines of your code. clc...

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How make the number of columns of two matrices equal?
There are a number of possibilities. Off the top of my head: You could discard 1100 columns of the second matrix (the first 110...

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Unrecognized function or variable 'sum'.
It seems that matlab is trying to evaluate sum as a variable instead of a function. That is correct, because in the method it i...

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How do I solve a triple integral with one integral limit in function of another variable
See the "Integral over the Unit Sphere in Cartesian Coordinates" example on the integral3 documentation page for an example of h...

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GUI crashes when using eigs with a nonzero shift on a large generalised eigenvalue problem.
Please send the crash log file along with the code and data with which you can reproduce the crash to Technical Support directly...

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How to plot data point by point and erasing the last one?
Instead of creating two new scatter plots each step (one to cover the previous point in white, the other to create the new point...

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Rounding towards zero or from zero
The tiebreaker methods only apply when the quantity to be rounded is halfway between the two numbers to which it could be rounde...

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How do I pick a number from a set of random numbers?
Since I suspect this is part of a homework assignment I'm not going to give you the answer, but I will point you toward two func...

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Efficient way to solve an equation in MATLAB
Solve numerically using fzero. Here I've written a function handle that itself makes function handles. I can pass that generated...

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How to find parent uifigure for a child several layers down
Use ancestor. >> f = uifigure; >> h = uipanel('parent', f); >> f2 = ancestor(h, 'matlab.ui.Figure'); >> f == f2 ans = ...

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if and sum not working together
Please try this little experiment. Find something to write with and something to write on (ideally compatible things; pencil and...

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Would like a script that removes repeat data
Dates_Wrong = ['2/4/21';'2/5/21';'2/5/21';'2/6/21';'2/7/21'] dt = datetime(Dates_Wrong, 'InputFormat', 'M/d/yy') differences =...

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Equality between 2 floats not recognized when using <= relational operator
I searched it up and apparenty it's to do with matlab not storing floats very accurately, No, that is not the cause. Are the n...

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divide year time data into days and nights
I'm going to use the sunrise and sunset times for Natick, MA for this example. I'll create some random datetime values for the n...

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APP Designer code convert to CPP code
If upgrading to a release (R2020a or later) that includes Simulink Compiler is an option, you might find the workflow on this do...

casi 4 años hace | 0

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How to obtain the piecewise expressions of spline fit obtained using MATLAB's command spapi?
i want to obtain the expression and calculate it derivatives further. Do you need the actual expression, or do you just want to...

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Add code to have switch repeat if a case is not met
You can simplify your switch call so you don't have to include 2^(number of letters) cases each with a different combination of ...

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How can I drawing equipotential lines?
Take a look at the contour function.

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installing two MATLAB versions at same time.
It is possible to have multiple versions of MATLAB installed on the same machine at the same time. Just don't install them both ...

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I need to understand what's the mistake and how to define vector
When MATLAB runs line 7 of your code, it tries to access the second element of the variable u (or to call a function named u wit...

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How to reduce the file size of a saved histogram figure
You could avoid creating the histogram using the data by specifying 'BinCounts' and 'BinEdges'. If you do this, there won't be a...

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Is it possible to generate a Mex function which has within it another mex function?
I'm not 100% certain but if you're trying to generate code using MATLAB Coder on a file that calls a MEX-file, you may be able t...

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Join strings together with '_' between them
Use the string append operator +. a = {'A11';'A12';'A21';'A22';'A23';'A24'}; b = {'A300';'A5300';'A291';'A5291'}; C1 = a + "_...

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Identifying if reaction times are 3 standard deviations away from mean
Take a look at the "mean" method for the isoutlier function.

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Translate sine coding? Need understanding
To start off, I suggest you start with the free MATLAB Onramp tutorial to quickly learn the essentials of MATLAB. Then work you...

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