Ivan

Last seen: ongeveer 3 jaar ago | Active since 2019

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Translation or copy of matrix in all directions
Hi all, I have the binary matrix (NxN) and I would like to translate (copy!) it in all dimention in 2D. How can I do that tra...

meer dan 3 jaar ago | 1 answer | 0

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answer

Question

Simplification of two for loops
Hi, I would like to simplify the two for loop to accelerate my calculation time Maybe, you have an idea how can I do it. My ...

ongeveer 4 jaar ago | 1 answer | 0

1

answer

Question

Create a circle in the matrix with zeros
Hi! I have a Matrix D=onse(N,N). I would like to make a circle with radius R at the center at (i0,j0) with filled zeros. ...

ongeveer 4 jaar ago | 1 answer | 0

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answer

Question

Find maximum among the elements in the matrix lower than 80% of max element of entire matrix
Hi! I have a matrix A(n,n). I determine the maximum element like S=max(A(:)). Now, I would like to find the maximum elemen...

ongeveer 4 jaar ago | 2 answers | 0

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answers

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Implementation of GPU computing with gpuArray?
Hi! I have a probplem with GPU computing. I have implemented in my code and in all my functions (*m-files) GPU computing by ad...

ongeveer 4 jaar ago | 1 answer | 0

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Question

How to solve differential movement equation?
Hi guys, How to solve following equation and get r(t): r''(x,y)=1/2m * F(x,y) r'' - second derivative on time F(x,y) =...

bijna 5 jaar ago | 1 answer | 0

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Question

How to solve motion equation in symbolic way?
Hi guys, I have the following equation (motion eq) m*r''= f(x,y) f(x,y)=cos(r)*[((3*x*y)-x^3) /(r^4)- (x^3-4*x*y^2) /(r...

ongeveer 5 jaar ago | 0 answers | 0

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Question

How to choose variable from symbolic function?
I performed the calculation in symbols and final expression was converted into the matlabFanction I got F=@(x,y,z,a,b,c,t).....