In econometric, I have to use this formula to compute the inverse matrix
where A is a , symmetric, nonsingular matrix; b,c are n-column vectors, c' is transpose of c.
I used it but I did know how to prove this formula. I need your help.
In econometric, I have to use this formula to compute the inverse matrix
where A is a , symmetric, nonsingular matrix; b,c are n-column vectors, c' is transpose of c.
I used it but I did know how to prove this formula. I need your help.