This week I was doing some interesting refactoring, that brings quite a bit of new possibilities, however I will write about this in the coming days. For now… printing. Most importantly, any suggestions for improvements are very welcomed.
Printing in SymPy is done really easily. You just add a _print_Whatever() method to the printer and your new class is printed in whatever manner you wish.
For the moment I am printing scalar fields just as the name of the coordinate in bold non-italic, vector fields as with the name as a subscript and differentials as a fancy followed by the name.
First of all the unicode printer:
There are some obvious problems, like the fact that in unicode there is no subscript for or .
And then the printer:
Now I must find a nice way to print a Point() instance.