imakn634

0.5 appears in Ricci tensor

2

How about this? ``` diff einstein.py.orig einstein.py 55c55 < t_ricci.tensor() - (1 / 2) * metric.lower_config().tensor() * r_scalar.expr --- > t_ricci.tensor() - metric.lower_config().tensor() * r_scalar.expr / 2 ```

taylor() and pade()

2

In Maxima-Jupyter, the pade() does not work: taylor (1 + x + x^2 + x^3, x, 0, 3); pade (%, 1, 1); pade: first argument must be a Taylor series;...

zorder when use_cm=True in 3d graphics

2

Sorry for a long post. It's nice to plot `line_parametric_3d()` with `use_cm=True`: ```python from sympy.abc import * from sympy import * from spb import * graphics( line_parametric_3d(cos(t), sin(t), 0.1*t, (t,...