As Matlab person, I thought the below would work, but it doesn’t. So what is the Julia way of doing this simple task? A = rand(1:10, 12,3); Ind = A[:,1].<5; A[Ind, :] = [];

[image] leon: A = rand(1:10, 12,3); Ind = A[:,1].<5; A[Ind, :] = []; Not sure whether Matlab’s output is the same as when you simply write in Julia: A[.!Ind, :]

How to remove specific rows of an array?

General Usage

DNF October 18, 2021, 7:47am 5

If you just need Ind for indexing into A, then using a view is faster:

A = rand(1:10, 12,3)
Ind = @view(A[:,1]) .< 5
A[.!Ind, :]

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How to remove specific rows of an array?

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