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In math, a x b and b x a are equivalent only when dealing with commutative (a.k.a. Abelian) operations. If a and b are matricies then the above does not hold. C
by dalke 11y ago
In math, a x b and b x a are equivalent only when dealing with commutative (a.k.a. Abelian) operations. If a and b are matricies then the above does not hold. Consider:
a = [1, 2]
b = [ 3 ]
[ 4 ]
- nikolay 11y agoAgain, Computer Science! There's no such thing as "dynamic type variables" in Math!