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3

116 float multiplications compared with 200 for the accepted answer. (and determinant checking before doing majority of calculation)
– paddyg
Commented Jul 16, 2018 at 20:34
2

This answer feels like a gift from God. You even use the same naming convention for matrix elements as I do.
– Stuntddude
Commented Oct 4, 2019 at 2:55
1

Really good answer, but regarding this " I need a code that inverses 5x5 matrix, but nobody in the earth have done this" --- The reason for that is probably, that it is cheaper to use a direct solver (Gauss, LU) than using a formula based on determinants (Cramers rule?).
– wychmaster
Commented Jun 4, 2020 at 8:49

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