Module algebra 

Elementary and linear algebraic methods

Modules

linear

Linear algebra routines

Functions

solve_cubic_equation

Solve the cubic equation ax^3 + bx^2 + cx + d = 0 where a != 0. Returns one, two, or three real roots.

solve_quadratic_equation

Solve the quadratic equation ax^2 + bx + c = 0 where a != 0. Returns zero, one, or two real roots.