Dear all,

I have an exercise which asks me to prove the following;

Let A be a non-singular matrix with transpose and inverse

Let b be a vector with transpose .

Prove that for =//not equal to//=

Regards,

Reinout

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- January 27th 2014, 04:37 AMreinoutgwould like help on formulating proof
Dear all,

I have an exercise which asks me to prove the following;

Let A be a non-singular matrix with transpose and inverse

Let b be a vector with transpose .

Prove that for =//not equal to//=

Regards,

Reinout

- January 27th 2014, 04:52 AMromsekRe: would like help on formulating proof
- January 27th 2014, 05:28 AMreinoutgRe: would like help on formulating proof
Thank you for replying romsek,

I had not noticed this yet, but it must be a typo in the exercise. This indeed makes it either or .

I am also dubious about the is not equal to -1 since obviously it is there to make the denominator be unequal to 0.

Therefore I suppose this is another typo which is supposed to be .

I will makes these two alterations in the original post.