Question: Let x s d and x s d be the normalized and unnormalized steepest descent directions at x , for the norm | | *

Let xsd and xsd be the normalized and unnormalized steepest descent directions at x, for the norm ||*||. Prove the following identities.
(a) gradf(x)Txnsd=-||gradf(x)||**
(b) gradf(x)Txsd=-||gradf(x)||**2.
Let xsd and xsd be the normalized and unnormalized steepest descent

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