What literature should an extremely lazy student choose?

Question

Books

Good evening, toaster.
We need to write a simple, remarkably tiny program for working with a matrix.
What literature to choose in order to do everything from scratch in one sitting?
Thanks

Answer 1

Write this program in C, translate it into assembler, read and understand what happened and how it works.

Answer 2

Fichtenholtz's textbook on calculus
A textbook on the programming language in which you planned to write the program
Internet

Answer 3

Any course is easy on linear algebra and Kernigan Ritchie.

Answer 4

Well, you can also discover LAPACK and roll it from there ;)