How can we proof this matrix norm equality?

  • Thread starter JohnNL
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  • #1
JohnNL
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||A-1|| = max ||x|| / ||Ax|| x[itex]\in[/itex]ℝn, x≠0 . x is a vector.
 

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  • #2
mathwonk
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well try the reciprocal one, for the norm of A. (operator norm of course, assuming you know the definition. that's the place to start of course.)
 

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