Tony Richardson

Last seen: 4 years 前 | 自 2020 起处于活动状态

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统计学

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Is there an efficient and fast way to process pixel neighborhoods without loops?
I've written up a brief description (see the url below) of a fairly straight-forward method that I've found to be much faster th...

4 years 前 | 0

已回答
how to randomly shuffle the row elements of a predefined matrix??
As a variation of my answer above, I'll note that if you want to generate M permutations of N objects (where the N objects are r...

5 years 前 | 1

已回答
how to randomly shuffle the row elements of a predefined matrix??
Perhaps not very efficient, but uses only built-in functions and randomizes all elements of all columns: a = [1 2 4 6; 5 8 6 3;...

5 years 前 | 4