Pretty deceiving browsing the web => old stuff.
For those interested: here is Mathcad 7 code.
IMHO, Smath is the best model math tool of
"Triplet Intelligence" NEA [Natural Educated Artificial]
So short and sweet, no sweat !

Enjoy, Jean

Maths Jacobi.sm (129,21 KiB) scaricato 1532 volta(e).