Mathematics, 29.08.2019 18:30 anahi8621
Suppose matrix product ab is defined. (a) if a is 4 x 7 and b is a column matrix, give the dimensions of b and ab. [4 marks] (b) if a is the identity matrix and b is 5 x 5, what size is a? [4 marks] (c) if a is 4 x 5 and ab is 4 x 7, what size is b?
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Suppose matrix product ab is defined. (a) if a is 4 x 7 and b is a column matrix, give the dimension...
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