> fundamentally an approximation is important. Yep, what you want is a good and predictable approximation. > What point are you trying to make? In practice

> fundamentally an approximation is important. Yep, what you want is a good and predictable approximation. > What point are you trying to make? In practice most Matlab solutions you are describing are awful, in terms of performance and in terms of accuracy due to ignorance about underlying theory.