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Faster version of norm_fro, and some arg validation

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Adrian Mariano
2020-09-02 16:46:58 -04:00
parent 47a1dfaa23
commit 9cd91cc6cc
2 changed files with 5 additions and 1 deletions
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math.scad
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@@ -894,7 +894,8 @@ function is_matrix(A,m,n,square=false) =
// squares of all of the entries of the matrix. On vectors it is the same as the usual 2-norm.
// This is an easily computed norm that is convenient for comparing two matrices.
function norm_fro(A) =
sqrt(sum([for(entry=A) sum_of_squares(entry)]));
assert(is_matrix(A) || is_vector(A))
norm(flatten(A));
// Section: Comparisons and Logic