Sorry, but isn’t this suppose to give different results, namely A*B and B*A ??? julia> A = rand(3,3) 3x3 Array{Float64,2}: 0.601317 0.0789842 0.624138 0.3137 0.134492 0.600118 0.350883 0.306819 0.930303 julia> B = rand(3,3) 3x3 Array{Float64,2}: 0.87791 0.802677 0.691277 0.01027…

`foldl` vs `foldr`: matrix multiplication order

dpsanders November 28, 2017, 7:30pm 3

Try with three matrices. These affect the order of association, not the order from left to right.

Topic		Replies	Views
Why is multiplication ABC left-associative (`foldl`) not right-associative (`foldr`)? General Usage question	31	2521	November 17, 2018
Mutating with `foldl` undefined behaviour? General Usage question	4	572	January 26, 2017
Array of arrays to a single nxn dimensional array New to Julia	7	778	October 2, 2018
Product of three matrices fast Performance	5	1467	September 22, 2018
Matrix multiplication precision issue General Usage	13	3053	January 29, 2019