Answered
Round to nearest ones place value ex ante
theRange = [3700 3705]; x = randi(theRange, 10, 1); closer = interp1(theRange, theRange, x, 'nearest'); Let's show the result...

4 years ago | 0

Answered
How to write a script to test central limit theory
Im pretty new to matlab and am unsure of how write a script that calls to my funtion. I have a function written but I am also un...

4 years ago | 0

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Error when using str2func: "Invalid expression. Check for missing multiplication operator, missing [...]"
Let's look at the first part of your text. @(X,Y,var)8,var(65),var(57)0,var(57)1,var(57)2,var(57)3,var(57)4,var(57)5)(var(57)5....

4 years ago | 0

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Answered
How to save workspace in stages while optimizing disk space
How are you loading your data? Are you calling load with an output argument or without? If you called load with an output argum...

4 years ago | 0

Answered
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...

4 years ago | 1

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Answered
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...

4 years ago | 0

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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'...

4 years ago | 1

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Answered
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...

4 years ago | 0

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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 ...

4 years ago | 0

Answered
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...

4 years ago | 0

Answered
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...

4 years ago | 0

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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...

4 years ago | 0

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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...

4 years ago | 1

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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...

4 years ago | 0

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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...

4 years ago | 0

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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...

4 years ago | 1

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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...

4 years ago | 0

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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...

4 years ago | 1

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Answered
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 = ...

4 years ago | 1

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Answered
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...

4 years ago | 2

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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 =...

4 years ago | 0

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Answered
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...

4 years ago | 1

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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...

4 years ago | 2

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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...

4 years ago | 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...

4 years ago | 1

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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 ...

4 years ago | 0

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

4 years ago | 0

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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 ...

4 years ago | 0

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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...

4 years ago | 1

Answered
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...

4 years ago | 1

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