# Inverse Matrix

1. Dec 11, 2011

### AlonsoMcLaren

Is it always true that (see the attachment)?

#### Attached Files:

• ###### Untitled.png
File size:
2 KB
Views:
75
2. Dec 11, 2011

### AlonsoMcLaren

I am assuming that phi is a matrix and its elements depend on t, another variable.

3. Dec 12, 2011

### HallsofIvy

In order for this to make sense, $\phi$ would have to be a one-to-one function from a set of matrices onto itself. And it asks if the inverse function, appled to matrix x, is the same as the inverse of $\phi(x)$.