880-881 / 3581
Breakout sessions
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function mean(A)
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local a = 0
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for i=1, #A do
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for j=1, #A[i] do
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a = a + A:get(i, j)
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end
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end
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return a / (#A * #A[1])
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end
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function sd(A)
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local a = 0
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local m = mean(A)
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for i=1, #A do
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for j=1, #A[i] do
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a = a + (A:get(i, j)-m)^2
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end
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end
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return math.sqrt(a / (#A * #A[1]))
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end
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trace = matrix.new(1, 360, |i,j| math.sin(j/57.0)^6)
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graph.fiplot(|i| trace[1][i], 1, 360)
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print(sd(trace))