Question

How do I close a "Document Pane"
I have just recently installed R2025a and I am fairly new to the new desktop environment in general. I find on occasion, as I ma...

10 mois il y a | 1 réponse | 1

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How to generate all 2^n combinations of n choices from a 2-vector?
n=3; clear t [t{n:-1:1}]=ndgrid([0,1]); t=reshape( cat(n+1, t{:}) , [],n)

10 mois il y a | 1

Question

Migrate preferences to R2025a
I am in the process of upgrading from R2024b R2025a. For the past several Matlab releases, I have found that copying over the .x...

10 mois il y a | 1 réponse | 0

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stftLayer error: "Size of input in T dimension must be greater than or equal to window length" despite correct input shape
The window must be specified as a vector. Did you want a flat window? If so, then, signal=rand(1,24,2401); winLength = 256; ...

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dbup does not behave as expected
There are special limitations on dbup, dbdown, and friends. You cannot call them from functions, because when a function is exec...

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How to find vertices of a polygon with convex or concaved sides?
This assumes that flattening the sides always gives a convex shape, like in your examples. load data qConcave=getCorners(pC...

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Legend & Labeling points in a plot
syms a x y=1/(x-1); m=-1; dy=diff(y); x1_=subs(dy,a); eq=x1_==m; x1=solve(eq); y1=subs(y,x1); line=m*(x-x1)+y1; disp('The ...

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Question

Saveobj and Loadobj for arrays of objects
I am trying to customize the save() and load() process for a classdef. Cuurrently, I am using old-style saveobj() and loadobj() ...

11 mois il y a | 1 réponse | 0

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Is it possible to make this tiny loop faster?
This saves considerable time for large n, but for small n, all bets are off. a = .2; % constant b = .3; % constant n = 1e6; %...

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How to do inline function with unique instead of using for loop
If by "inline function", you mean an anonymous function, then no. But you can certainly do it with a local function. tdata = ta...

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Constraints to a Second Order Curve Fit
It probably makes more sense just to do a linear fit. For this data, at least, a 2nd order fit doesn't make too much sense. Rega...

11 mois il y a | 0

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not enough input arguments using variables from another equation system
z = fsolve(@(z)TAC2(x,z) ,z2)

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Why does fft of non-integer number of cycles sin wave NOT have sidelobes?
We don't know what you're doing since we haven't been shown your code. However, here is an example to show that you won't get pe...

11 mois il y a | 1

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Find Gaps and Overlaps in Rectangular Prisms
If you can get R2025a with the PDE Toolbox, you gain access to tools that are very well-suited to this problem. In particular wi...

11 mois il y a | 1

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How do I set the size of a tile from tiledlayout?
You can't set the plot size in absolute terms with tiledlayout. You would have to layout the axes positions explicitly, e.g., %...

11 mois il y a | 0

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Find Gaps and Overlaps in Rectangular Prisms
Does a "gap" not occur whenever the two prisms being compared neither touch, nor overlap? If so, why not as below? % Fit the fo...

11 mois il y a | 0

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Fitting exponential using derivatives
however, i do not have the y values If y=dr_dt, then you can approximate y numerically, y=gradient(r,t) However, it be advisa...

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Solving an implicit equation with fzero in a function.
fun = @(h) weir_height2(h,weir_height,total_weir_length,total_weir_discharge)

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Is vectorization worth the trouble with recent MATLAB?
Yes, it will always be worthwhile for a certain space of computations, because a plain for-loop will always be done sequentiall...

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appdesigner - disruptive help popups
Go to Home > Preferences > Editor/Debugger > Auto-completion.

11 mois il y a | 0

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Picking only 2 nested for loops among several.
Get rid of all the nested loops. Use the combinations command to create a table of all combinations of your variables. Then, yo...

11 mois il y a | 3

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Error in appdesigner number of arguments
There's nothing wrong with the code. I suspect you have defined your own version of uibutton() somewhere shadowing the builtin f...

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find sequence in a matrix
I=[0 1 0 1 1 1 0 0 0 1 1 1 0 0 1 0 1 0; 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 0 1; 1 1 0 1 0 1 0 0 0 1 0 1 0 0 1 1 1 0] k=3...

11 mois il y a | 0

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Error using the fmincon function
No, the constraint and objective functions have to return real values to be considered "defined". Possibly you have log() or sq...

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Aquiring images from mobile camera is too slow
Yes, you can postpone the image display until after the acquisition. N=1000; [img,t]=deal(cell(1,N)); for i=1:N [img{i},...

11 mois il y a | 0

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Plotting, how can I stop fill hiding the tickmarks?
X = 0:20; Y = sin(X/10); plot(X, Y, 'ko'); hold on; % Draw white patch (e.g., to "highlight" a region) Xfill = [10 20 20...

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Spatial filtering of cylindrical data
Using padarray you can pad circularly in theta and symmetrically in z and then filter with 'valid' shape flags. If you are filte...

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find sequence in a matrix
I=[0 1 0 1 1 1 0 0 0 1 1 1 0 0 1 0 1 0;0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 0 1;1 1 0 1 0 1 0 0 0 1 0 1 0 0 1 1 1 0]; k=3; Ik=str...

11 mois il y a | 0

Question

Launch a desktop layout programmatically
In the Environment seciton of the desktop's Home Tab, there is an area for saving and loading one's preferred desktop layouts: ...

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Quick Access bar capacity
One option that had occurred to me was to create a figure, as below) filled with uicontrol buttons which could serve the same pu...

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