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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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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() ...

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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...

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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...

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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...

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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., %...

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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...

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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.

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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...

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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...

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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},...

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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...

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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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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; [minv...

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how to determine the wavelengths of an fft of a non-dimensional sequence
Perhaps as follows? %Example N=100; t=linspace(0,2*pi,N+1); t(end)=[]; x1=sin(t) ; %Wavelength N=100 x2=sin(2*t) ; %Wavelen...

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Quick Access bar capacity
My Quick Access bar is filling up: What happens when I want to add more buttons than will fit on the top blue strip, even...

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Index exceeds the number of array elements
Either testarray is shorter than you planned or sentsize(1) is larger than you planned. Specifically sentsize(1)+35 is exceedin...

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Obtain Pixel Shift from Registered Images
There's no reason you can't use the tform from imregtform to imwarp the original images, even if the registration was done on cr...

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Trouble using container with cell type for key and structure array for values..
Perhaps use a dictionary, instead of containers.Map? keys = compose("A0%.2d" , 1:15); values = struct('abc', num2cell(1:15));...

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