Tutorial:
AstroImageJ Align and Drizzle

Content:

1. Introduction matrix
2. Align points test
3. Size of output matrix
4. Inverse matrix
5. Determinant
6. Matlab and Octave
7. Parallel Super-Resolution Plug in
8. Parallel Super-Resolution Plug in, test 2
9. Temporary solution with new workflow

Note:
I take no responsibility or liability for what are written here, you use the information at your own risk!

5, Determinant:

Determinant is another mathematical tool we need to find out the X^-1 that we need to calculate T.

You can always test if a matrix has an inverse, that's when the determinant is not zero.

det(T) = not equal zero

In the computer world we don't have infinite number to work with, not resolution enough, we get rounding errors. So if the determinant have a very small value it's the same as it probably will not have an inverse.

More information about determinant:

• Determinant, Wiki/

Coming more later.