Let B be a matrix m × n. Let b R m . Let f : R n R m be the function defined as f ( x ) = B x + b
What is the Df(x)(derivative) and how can I find it from the derivative definition?

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Amiya Watkins

Amiya Watkins


2022-09-24Added 6 answers

D f ( x ) = lim h 0 f ( x + h ) f ( x ) h = B ( x + h ) + b B x b h = B h h = B

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