ABSTRACT
A × C = (−6.4 26.1
22.7 −56.9 )
C × A = (−33.5 −53.1
23.1 −29.8 )
Hence they are not equal
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A unit matrix, I, is one in which all elements of the leading diagonal (\) have a value of 1 and all other elements have a value of 0. Multiplication of a matrix by I is the equivalent of multiplying by 1 in arithmetic.
