Matrix multiplication: Difference between revisions
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=={{header|Elixir}}== |
=={{header|Elixir}}== |
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<lang elixir> |
<lang elixir> |
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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.reduce(0, &+/2) |
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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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</lang> |
</lang> |
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