Contents of this Linear algebra episode:

Definitness of matrices, Leading principal minor, Determinant, Positive definite, Negative definite, Indefinite, Positive semi-definite, negative semi-definite, Eigenvector, Eigenvalue, Characteristic equation.

Enter the world of simple math.
  • Much better than any of my university lectures.

    Daniel, 20
  • Ingenious to learn any math.

    Adam, 19
  • A website that would teach to integrate even a blind horse.

    Regina, 26
  • It is the best clear, interpretable, usable learning opportunity for the lowest price.

    Ellen, 23