is a norm on .

Define the co-norm of the linear transformation to be

Prove that if is invertible with inverse then .

(I think probably we need to do something with the norm, but I still can't get it... So thank you.)

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- March 15th 2013, 07:29 AMianchenmuco-norm of a linear transformation on R^n
is a norm on .

Define the co-norm of the linear transformation to be

Prove that if is invertible with inverse then .

(I think probably we need to do something with the norm, but I still can't get it... So thank you.) - March 15th 2013, 06:17 PMchiroRe: prove a linear transformation is invertible on R^n
Hey ianchenmu.

Is it possible to relate the norm to the determinant?