8000 inv of singular matrix returns some matrix without error · Issue #43 · ruby-numo/numo-linalg · GitHub
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inv of singular matrix returns some matrix without error #43
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inv of singular matrix returns some matrix without error#43
@gitogito

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@gitogito
gitogito
opened on Apr 7, 2022

I tried this script.

require "numo/linalg"

a = Numo::DFloat[[0, 0],
                 [0, 0]]
p(Numo::Linalg.inv(a))

Result is here.

Numo::DFloat#shape=[2,2]
[[0, 0], 
 [0, 0]]

I think that a matrix with all zero elements has no inverse matrix.

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