RosettaCodeData/Task/Dot-product/Lua/dot-product.lua

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Lua
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2013-04-10 16:57:12 -07:00
function dotprod(a, b)
local ret = 0
for i = 1, #a do
ret = ret + a[i] * b[i]
end
return ret
end
print(dotprod({1, 3, -5}, {4, -2, 1}))