Hi,
I am writing a script in which I generate the an expression. This
expression I want to use 1) with preview and 2) with lambdify.
Lets say
expr = phidd**2
And I want preview to use the latex code '\ddot{\varphi}' for rendering
of phidd. Therfore I defined:
phidd = sp.Symbol(r'\ddot{\varphi}').
However, this causes problems when I call
sp.lambdify(phidd, expr)
File "<string>", line 1
lambda \ddot{\varphi}: (\ddot{\varphi}**2)
^
SyntaxError: unexpected character after line continuation character
A manual workarround would be to substitute the critical symbol with
some uncritical one.
However Im wondering if there is another (cleaner) way.
I would like to use the code in a tutorial session, therefore I would
like minimize the ballast.
Best regards,
Carsten
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