[JuliaLang/LinearAlgebra.jl] scalar multiplication with triangular matrix is wrong (#139)

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Nov 26, 2024, 6:20:38 AM11/26/24

to JuliaLang/LinearAlgebra.jl, Julia Backports, Mention

The multiplication of a triangular matrix with a scalar value is wrongly implemented in triangular.jl, lines 155-172

The lines
for i = UpLo == :L ? j:n : 1:j
should say
for i = UpLo == :U ? j:n : 1:j

The method should probably also work on a copy of A instead of manipulating A itself

Regards,
Tom

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