The understanding comes with this book all by itself by doing
All topics of mathematics that users really need in the first semester,
explained in a comprehensible way using concrete procedures
Digestible Bites: Each chapter for a lecture double hour
With various hints for MATLAB
In the 2nd edition extended by a chapter on the solution of partial
differential equations by means of integral transformations, by a
section on the numerical solution of the wave equation as well as by
several additional tasks.