11 lines
259 B
Text
11 lines
259 B
Text
def mult(m1, m2) do
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Enum.map m1, fn (x) -> Enum.map t(m2), fn (y) -> Enum.zip(x, y)
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|> Enum.map(fn {x, y} -> x * y end)
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|> Enum.sum
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end
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end
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end
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def t(m) do # transpose
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List.zip(m) |> Enum.map(&Tuple.to_list(&1))
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end
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