I have an array of tuples of weight and bias gradients for my neural network (so, an array of matrix-vector tuples). How can I sum over them, ideally without an explicit loop? As a small example, let arr = [(rand(2,2), rand(2)), (rand(2,2), rand(2))] I tried using sum(arr), but that didn’t work s…

[image] derikk: I don’t have Julia 1.6 installed, but based on the NEWS.md it seems like I might be able to use something like reduce(.+, arr) . Is there an better solution that works for v1.5? reduce((x, y) -> x .+ y, arr)

How to sum array of tuples

General Usage

pdeffebach October 31, 2020, 6:16pm 2

reduce((x, y) -> x .+ y, arr)

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How to sum array of tuples

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