Isuru Fernando
Isuru Fernando
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Have you tried the pip wheel? `pip install symengine`?
Can you give an example? `Lambdify` and `.subs` should do the same and one returning NaN and the other not is a bug in my opinion.
Ah, you are using RealMPFR instead of RealDouble. Then there's bound to be differences. The issue is not the precision, but the number of bits supported in the mantissa. For...
> Could you tell me if there is a way to limit the number of digits in calculations, regardless of losing precision? I'm not sure I understand the question. Could...
What are the typical values for `a1, a2, ...`?
With symbolic values, you can't do pivoting correctly. LU decomposition using Gaussian elimination can be numerically unstable when small values are chosen as pivots and roundoff errors become larger.
I think we should remove https://github.com/symengine/symengine/blob/93f4b9fa10664e8bb54d6f529b5f2658cb43fde6/symengine/logic.cpp#L669-L670