How are the dimensions of the product of two matrices determined?
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"Suppose that I don't have a formula for #g(x)# but I know that #g(1)
= 3# and #g'(x) = sqrt(x^2+15)# for all x. How do I use a linear approximation to estimate #g(0.9)# and #g(1.1)#?"
1 Answer
Nov 2, 2015
If
Note that matrix multiplication AB is only defined if the numbers of columns of A equals the numbers of rows of B.
