Question

find 2*2 matrix which transfer unit square matrix into (0,0)(3,1)(5,2)(2,1)​

Answer 1

Answer:

The idea of a "transformation" can seem more complicated than it really is at first, so before diving into how 2 \times 22×22, times, 2 matrices transform 222-dimensional space, or how 3 \times 33×33, times, 3 matrices transform 333-dimensional space, let's go over how plain old numbers (a.k.a. 1 \times 11×11, times, 1 matrices) can be considered transformations of 111-dimensional space.

"111-dimensional space" is simply the number line.