Question

Why does fprintf attach a negative sign to a zero?
Here is some code to set up the demonstration, load data fid = fopen('runsim.py','w'); rotation=[0,0,-GantryAngles(1)]; ...

4 months ago | 3 answers | 0

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Question

Closing the Property Inspector in R2025b
The Property Inspector pane does not appear to have a 'Close' button in R2025b, nor does its sidebar icon appear to have a dropd...

4 months ago | 1 answer | 0

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Answered
confidence interval from lsqnonlin function while retaining constraints
After solving the original problem, initialguess = [3,25.5013,0.5,-0.8793]; %[n,tau(fs),m,c] options = optimoptions('lsqnonlin...

4 months ago | 0

Question

Pinning the AxesToolbar (revisited)
The AxesToolbar was introduced about 6 years ago, However, I never embraced it, because it wa...

4 months ago | 1 answer | 3

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Answered
How can I move the find & replace window or get it to automatically close
If you widen the Editor window sufficiently, the Find and Replace window will move to the right into a blank area where it will ...

4 months ago | 0

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Question

Mixing subscripts with linear indices
Generally speaking, I have found that it has always been possible to mix subscript and linear array indexing, as long as the ind...

4 months ago | 1 answer | 1

1

answer

Answered
effects of ifft2(x, 'symmetric') while x is not conjugate symmetric
When you specify "symmetric", the upper half of the fft input array is ignored, e.g. x=ones(1,7); ifft(x) x(5:end)=rand(1...

4 months ago | 1

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Answered
The single function is not behaving as expected
No, it is not a bug. The precision of a number isn't something that is measured only by the digits to the right of the decimal p...

4 months ago | 3

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Answered
Integer conversion without precision loss for literal function inputs
test 7725400999518902274 function test(a) arguments a (1,:) string end a=eval("uint64("+ a + ")"), end

4 months ago | 1

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Answered
FFT problem: FFT -> some manipulation -> IFFT results in one-element shift
I think the line where I define my frequency: f= ((-length(fourierNoise)/2):((length(fourierNoise)/2)-1))*fs/length(fourierNois...

4 months ago | 0

Answered
Free boundary of a tetrahedral mesh has interior-crossing edges
OK, my bad. The solid was built from smaller, triangular sub-prisms, each subsequently split into tetrahedrons. While neighborin...

4 months ago | 0

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Answered
Can we specify or make uigetfile() remember its window position or view mode/sorting?
This file exchange submission seems to do most of the above, https://www.mathworks.com/matlabcentral/fileexchange/10867-uipickf...

4 months ago | 0

Answered
Table with multiple types
I guess I might be missing something. Why isn't this what you want? PType='R'; PData=uint32(391); fig = uifigure; uit = ui...

4 months ago | 0

Answered
How to move data tip in R2025b? (Or, how to restore legacy data tip behavior)
Another option is to supply your own datatip, with an UpdateFcn defined by you: function datatipDemo() % Minimal example that ...

4 months ago | 0

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Answered
How to move data tip in R2025b? (Or, how to restore legacy data tip behavior)
You can activate the old-style figure toolbar exploration buttons, e.g., addToolbarExplorationButtons(gcf) That seems to have ...

4 months ago | 0

Answered
Error using assignin in a nested m function
Assignin is something you should generally try to avoid. It has many hazards. In this case, where myfunction is nested in mywo...

5 months ago | 1

Question

Migrate R2025a preferences to a new computer that is running R2025b
I am installing R2025b Matlab on a new computer. The new computer has no prior Matlab installations from which previous preferen...

5 months ago | 1 answer | 1

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Question

As of R2025ab, are all figures now uifigures?
Prior to R2025, the result of the code below was tf=0. Have the figure and uifigure frameworks been unified somehow? Is that why...

5 months ago | 1 answer | 1

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Answered
Imtile resolution changes with figure height
So Ive noticed when y figure is 1500 x 600, the images look a lot better than when the figure is only 300 high - even though wit...

5 months ago | 0

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Answered
Where did the zoom icon and other tools go in Release 2025b?
In the version I had installed previously, there was a "zoom" button shaped like a small magnifying glass in a toolbar along wit...

5 months ago | 1

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Answered
How can I measure the pixel size
If you know the real world distance D (e.g. in millimeters) between two points on the PCB, and if these points are N pixels apar...

5 months ago | 0

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Answered
Find roll, pitch, and yaw from the same vector in two different coordinate systems
So this is a system of equations with three equations and three unknowns, so there should be sufficient information. No, there ...

5 months ago | 0

Question

Free boundary of a tetrahedral mesh has interior-crossing edges
I have the following tetrahedralized solid, a right prism with a non-convex base, load data %Solid display tetramesh(TET,'F...

5 months ago | 1 answer | 0

1

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Answered
Value to differentiate is not traced. It must be a traced real dlarray scalar. Use dlgradient inside a function called by dlfeval to trace the variables.
rawOut = extractdata(rawOut); dY8 = extractdata(dY8); dY18 = extractdata(dY18); If you pre-convert all your input...

5 months ago | 0

Answered
Why the optimization results of lsqnonlin are different in R2026a and R2025a?
There appears to be a new (and buggy) implementation of expm.m in R2026a, resulting in incorrectly complex results for skew sym...

5 months ago | 1

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Answered
Quick substitution of all multi-objective optimization results (gamultiobj) into optimization expressions
Obviously I can build a loop over ii to get an array Mval, but is there a way to do it more elegantly? Doesn't seem it like it....

5 months ago | 0

Answered
Why is xlim not working?
Calling axis equal triggers an xlim,ylim adjustment. % Set parameters for main circle center = [3,6]; radius = 2; angleStart...

5 months ago | 1

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Submitted

A class for successive matrix products
A class representing products of matrices, internally storing/manipulating them separately.

5 months ago | 2 downloads |

0.0 / 5

Answered
How to define size of class property depending on a given parameter (including codegen)
With the classdef below, you can set the default size with its defaultSize() static method. This will remain in effect until the...

5 months ago | 1

Answered
"help" does not work
Possibly help.m is calling a function which you have shadowed. You will probably have to use dbstep to track this, or the equiva...

5 months ago | 1

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