What is the substitute for MatrixNorm?

Posted 1 year ago
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 When I type these, B={{1,2},{3,4}} Norm[N[B]] the output is, {{1, 2}, {3, 4}}5.46499 But in old textbook, the command MatrixNorm[N[B]] is 7.(This command is not used anymore now but I cannot find the substitute for this :( )How can I get this result?Nice day!
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Posted 1 year ago
 I think you want the infinity norm: Norm[N[B], Infinity] 
Posted 1 year ago
 Thanks Michael :)
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