# Oscar Frick

Actif depuis 2018

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Question

Optimize fminsearch behaviour for "very good" initial guess
I have a script that calculates the shortest (optical) path between a startpoint and a set of target points (given a set of arbi...

plus de 5 ans il y a | 1 réponse | 2

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Figure to movie frame with set size

plus de 5 ans il y a | 0

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Question

Figure to movie frame with set size
I'm generating movie frames from figures using the getframe function. However, I need the movie frame matrix output to be of a c...

plus de 5 ans il y a | 5 réponses | 1

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"Row-wise" reshape of 3d matrix -> 2d matrix
I need to do a reshape of a 3d matrix to a 2d matrix, but where first row of each matrix along the 3d dimension corresponds to t...

presque 6 ans il y a | 1 réponse | 2

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Question

plotting N number of lines without for-loops
I have two matrixes of size (N,3), "S" corresponding to line start points "E" to line end points. I want to plot these lines, an...

presque 6 ans il y a | 2 réponses | 0

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Question

min/max indexing of array
I have an array of values of the size (n,1,4), that contains Euclidian distances of vectors as well as some NaN values where the...

environ 6 ans il y a | 1 réponse | 0

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Question

Row wise indexing of 3d array
I have a 3d array, for example: (:,:,1) -0.1468 -0.4846 -0.3310 0.3212 -0.4570 0.1491 (:,:,2) ...

environ 6 ans il y a | 2 réponses | 0

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Question

Check if all vector elements have same sign
Is there an efficient (and easy) way to check if all elements of a vector have the same sign (not caring about zero values)? ...

environ 6 ans il y a | 1 réponse | 0

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