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Generating numbers whose sum is 1 during genetic algorithms optimization
lb=zeros(12,1); ub=lb+1; Aeq=ub'; beq=1;

2 years ago | 0

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How to open new command window?
You can launch a new Matlab session with its own command window, but the way you are going about saving work is very peculiar. M...

2 years ago | 0

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Speeding up interpolation with scattered interpolation
Your data is gridded, so you should be using griddedInterpolant, as opposed to scatteredInterpolant. Gridded interpolation is mu...

2 years ago | 0

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Answered
Why does abs cause bad matlabfunction evaluation?
It is not the matlabFunction version that is evaluating things badly. It is the first version, with the double application of su...

2 years ago | 0

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Show img in coordinate system and perform transformations
I=flipud(imread('peppers.png')); T = [1 0 2 1]; T(3,3)=1; [Iw,R]=imwarp(I, affine2d(T')); h=imshow(Iw); ax...

2 years ago | 1

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Answered
Supply partially complete Jacobian for fsolve()
and let MATLAB use its own numerical methods for the missing ones? fsolve cannot be made to do finite difference calculations ...

2 years ago | 0

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Answered
Sum of following elements in array
sum_following = cumsum([s(2:end),0],"reverse");

2 years ago | 0

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Answered
How to deal with files in which rows have different numbers of columns
I think you would probably have to read the file in as a string array using readlines, and then do your own text parsing.

2 years ago | 0

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plot strain ellipse and principal stress axes using eigenvalues and eigevectors.
a=10; %long axis b=3; %short axis theta=30; %rotation angle p=rotate( scale(nsidedpoly(1000),[a,b]) ,theta); plot(p)

2 years ago | 0

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Intersections between two discretised functions
f = @(x) x.^2; x = linspace(-5, 5, 100); v1 = f(x); v2 = ones(size(v1)); X0=x(diff(sign(v1-v2))~=0); X=nan(size(X0)); ...

2 years ago | 1

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Im trying to implement this equation in matlab
It's normally better to use FFTs for cyclic convolution, but if you insist on doing it on the non-Fourier domain, then you can u...

2 years ago | 0

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exportgraphicsunusably slow and memory overruns
Try export_fig, https://www.mathworks.com/matlabcentral/fileexchange/23629-export_fig

2 years ago | 0

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Plot image in 2d plain and apply operations like translation/rotation and reflection
Use imrotate, imtranslate, and flip.

2 years ago | 0

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Manually modifying title position in tiledlayout environment
I was wondering if it is possible to move the title a little closer to the upper limit of the figure environment than it current...

2 years ago | 1

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Answered
Newtons Method but error message "Singular Matrix"
Landing on a point with ill-conditioned J is a hazard of plain-vanilla Newton's method. That's why people usually don't use it. ...

2 years ago | 0

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Error : Unable to use a value of type optim.problemdef.OptimizationVariable as an index.
It sounds like the better approach would be to have the 4x4 binary matrix AssignedMatrix be the fundamental unknown optimization...

2 years ago | 0

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how to incorporate boundary conditions as constraints in fmincon optimization?
Use fcn2optimexpr to implement nonlinear constraints.

2 years ago | 0

Question

Programmatically determine which Deep Learning layer properties contain learnables
In the Deep Learning Toolbox, there are a variety of layer object types. The display methods of these objects indicate which obj...

2 years ago | 2 answers | 1

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Rotate 3D Shape so Specific Face is Normal to Given Vector
You can use this to compute the alpha and direction arguments needed for rotate. function [alpha,direction]=vecrot(vstart,vend)...

2 years ago | 0

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How to solve large linear complex equations
Since it is a linear and unconstrained system of equations, just use mldivide, \

2 years ago | 0

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Help with parametrizing a function and creating points
syms x y P [1,2] syms r(t) P1=[x1, y1]; P2=[x2, y2]; r(t)=P1+t*(P2-P1)

2 years ago | 0

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Answered
How can i extract data from given variables, for suppose i want to extract charge and discharge separately.
I will assume your data is in a table: type=["charge";"discharge";"discharge";"charge"]; data=(1:4)'; T=table(type,data) ...

2 years ago | 0

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Wanna find specific index(raw) which meet multiple(~3) conditions
use ismembertol to allow for floating point noise, A=rand(5,3); A(4,:)=[39,13.9,17.2]+100*eps Index = find( ismembertol(A...

2 years ago | 0

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Does anybody know what the exact meaning of the following command?
It defines an anonymous function of x,y. Everything after @(x,y) is the expression that will be evaluated. E.g., D=@(x,y) x+y; ...

2 years ago | 0

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Answered
How can I import this data with a for loop?
Data{i} = importdata(compose("PendulumTestData/TD%d/IK/HR_1.mot", x(i)));

2 years ago | 2

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How to interpolate 2 dimensions of a 4D array ?
You can use imresizen, to be downloaded from https://www.mathworks.com/matlabcentral/fileexchange/64516-imresizen-resize-an-n-d...

2 years ago | 0

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How to avoid NaN in the Mini-batch-loss from traning convolutional neural network?
I found that changing the solver (from "sgdm" to "adam") resolved the problem.

2 years ago | 1

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How to represent gray scale images as affine subspaces?
So how Can I get the direction and origins so I can compute the grassman distance? Here is another variant that gives a Basis/...

2 years ago | 0

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how to get reference in app designer
It is possible, and what you've shown should have worked, unless your Matlab version is really old. The Code view should show t...

2 years ago | 1

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Answered
How to convert values of 0 to NaN
NaNs will not appear bright on an image display. You would have to replace them with a large value. Image(Image==0)=brightValue...

2 years ago | 0