Answered
How to plot curve y=a*x with changing parameter a?
You can create an app that does so, similar to this example: https://www.mathworks.com/help/matlab/creating_guis/create-a-simpl...

3 years ago | 0

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Answered
How do I fix this error?
Shouldn't your input layer be, sequenceInputLayer(inputSize,'Name', 'input','MinLength', time_points)

3 years ago | 0

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Answered
Cut region of interest images from 3D stack with known indices and without for loop
I doubt anything will be faster than a loop, but you can try this: array = [1,2,3;4,5,6;7,8,9]; array(:,:,2) = [1,2,3;4,5,6;7,...

3 years ago | 0

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Answered
How to interpolate between a series of datapoints using a nested for loop?
Another loop-free solution: pts=4; x=[1,2,5]; s=numel(x); x_new=interp1(x, linspace(1,s, (s-1)*pts+1) )

3 years ago | 1

Answered
How to interpolate between a series of datapoints using a nested for loop?
If pts is a power of 2, there is a simpler (and loop-free) method using interp2, pts=4; x=[1,2,5]; x_new=interp2([x;x]...

3 years ago | 0

Answered
How to interpolate between a series of datapoints using a nested for loop?
pts=20; x = [48.105633802816904, 49.725352112676056, 52.47887323943662, 56.04225352112676, 57.82394366197183, 60.091549295774...

3 years ago | 1

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Answered
I am having issues while using fmincon to solve optimization problem
cEq = [s(end)-d; v(end)-v_f; a(end)-a_f];

3 years ago | 0

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Answered
Image undistortion with fixed camera position and single calibration image
You could also browse the File Exchange for submissions that do single image calibration. Here is one example, though I have not...

3 years ago | 0

Answered
Image undistortion with fixed camera position and single calibration image
My recommendation is that you first calibrate your camera for intrinsic and lens distortion parameters. These parameters do not ...

3 years ago | 0

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Answered
alternatives to gradient-based optimization algorithms like lsqnonlin that handle at least O(10) parameters?
The parameters that I am optimizing (the function values) have to represent a convex function in 1d. Another strategy that I wo...

3 years ago | 0

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Planes and vectors in 3d
Clearly they all cut the plane since their z-components are all greater than 1. More generally, if P is a point, plug t*P into ...

3 years ago | 0

Answered
Fixing fzero in standard normal distribution
Note that your problem has a closed-form solution, i.e. fzero is not necessary: X = 440; Z = -2.33; syms n; assume(X-500*n<=...

3 years ago | 1

Answered
alternatives to gradient-based optimization algorithms like lsqnonlin that handle at least O(10) parameters?
it seems that this class of optimization algorithms can handle a small number of parameters (10,...,20) well, but are not approp...

3 years ago | 1

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Answered
How to calculate the point belonging to a line from an exterior point and a distance between the exterior point and the desired point
There are two such points: Xa= 141.056072111132; Ya= 2.466917308864894e+03; Xb= 137.926340439225; Yb= 2470.81925749382; ...

3 years ago | 0

Answered
Optimize Center of Circle given noisy data points on arbitrary Plane?
Go to the examples tab of this FEX submission https://www.mathworks.com/matlabcentral/fileexchange/87584-object-oriented-tools-...

3 years ago | 0

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How to combine desired cropped image to another image?
You can adjust the AlphaData property of the image to make certain regions of the mask image transparent.

3 years ago | 0

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splitapply with multiple output variables
quantGroups = findgroups([locAwayFromMean{:,12}]); % grouping info as vector X=cell2mat(locAwayFromMean(:,11)); I=1:numel(...

3 years ago | 0

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Answered
Is it possible that, given the same problem, fmincon finds a solution and intlinprog does not?
Your constraints are not feasible, as can be seen by looking at inequalities 4,15, and 23. A=A([4,15,23],:); B=B([4,15,23],:); ...

3 years ago | 1

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Answered
Input data must be a formatted dlarray.
You have not provided us the means to run your code (implementation of modelLoss is missing as is a sample of the input data). H...

3 years ago | 0

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Answered
Time-domain convolution doesn't match Frequency-domain multiplication in MATLAB
Note that conv() implements linear convolution, not circular convolution.

3 years ago | 0

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Answered
How can I find index from a 3D matrix?
M=rand(376,268,764); d = [1, 3, 45, 56, 111, 121, 135, 440, 489, 491, 511, 555, 569, 599, 608, 700]; Md=M(:,:,d); whos M ...

3 years ago | 1

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Answered
Is properties like global variables?
No, they are not like global variables. They are attached to the app object used by the callbacks and must be accessed similarly...

3 years ago | 0

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How can I select a three dimensional diagonal from a three dimensional array?
out=M( sub2ind(size(M), IX,IR,1:N) );

3 years ago | 0

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Answered
Image processing of a binary image
load BWimage BW0=BW; BW=imerode(BW, strel('disk',3)); BW=bwpropfilt(BW,'Eccentricity',[0,0.3]); BW=imdilate(BW, ...

3 years ago | 0

Answered
i would like to plot an iterative function
For example, k=linspace(3.5,4.0,5); x=0:0.0001:1; for i=1:numel(k) f =k(i).*x.*(1-x); plot(x,f); x...

3 years ago | 0

Answered
frequency domain convolution problem
You have only generated half a sinc, rather than a full sinc from -infinity to +infinity. Keep in mind as well that there will ...

3 years ago | 1

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Answered
fsolve issue with high gradient function
You should not be using fsolve for a 1D root finding problem, and particularly not when the function is highly non-differentiab...

3 years ago | 0

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I want to compare fit() using option 'sin1' with the same equation defined using 'fittype'.
How do I make 'fittype' robust to a wide range of (noisy) data and different starting points. The standard option using fit() a...

3 years ago | 0

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Answered
How I can find intersection point of direction vector and one of the given plane of 3d cube
Fairly eay to do to do with this FEX download, https://www.mathworks.com/matlabcentral/fileexchange/30892-analyze-n-dimensional...

3 years ago | 0

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Answered
Regression line that includes x and y errors.
I would recommend linear2dFit() form this FEX download, https://www.mathworks.com/matlabcentral/fileexchange/87584-object-orien...

3 years ago | 0

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