In the last two chapters, you saw different examples of how to utilize the scalable computational power of your self-built BeagleBone Black cluster. You saw that special software libraries and some programming skills are necessary in order to create the required tools. In Chapter 4, Parallel Computing with OpenMPI and ScaLAPACK, you gained basic knowledge of how the calculation power is distributed using OpenMPI and how to utilize it to solve problems in linear algebra.
In Chapter 5, Advanced Solving of General Equation Systems Using Advanced Methods, you got to know about a much simpler approach for an even broader area of mathematical problems. With the two libraries SLEPc and PETSc, you saw how to solve linear, nonlinear, and Eigenvalue equations, which are very common in scientific and general technological questions but also appear in financial problems and many other areas.