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renamed replist to repeat

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fixed normalization issue in path_to_bezier
This commit is contained in:
Adrian Mariano
2020-03-04 23:22:39 -05:00
parent a8ed6214be
commit fcbeadc363
9 changed files with 61 additions and 56 deletions
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math.scad
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@@ -590,7 +590,7 @@ function _qr_factor(A,Q, column, m, n) =
let(
x = [for(i=[column:1:m-1]) A[i][column]],
alpha = (x[0]<=0 ? 1 : -1) * norm(x),
u = x - concat([alpha],replist(0,m-1)),
u = x - concat([alpha],repeat(0,m-1)),
v = u / norm(u),
Qc = ident(len(x)) - 2*transpose([v])*[v],
Qf = [for(i=[0:m-1]) [for(j=[0:m-1]) i<column || j<column ? (i==j ? 1 : 0) : Qc[i-column][j-column]]]