error: Python cannot import SymPy: have you installed SymPy?https://docs.sympy.org/latest/install.html#anaconda 因此,我转到下面的站点并下载macOS的图形安装程序(Python2.7版本)。--------------------
SymPy is a Python library used by Symbolic
\sympy\__init__.py", line 35, in <module> File "C:\PYTHON27\lib\site-packages:\PYTHON27\lib\site-packages\sympy\polys\domains\__init__.py", line 9, in <module> File "C:\P
File "/home/me/anaconda3/lib/python3.6/site-packages/sympy/integrals/integrals.py", line 486, in doitconds=conds)
File "/home/me/anaconda3/lib/python3.6/site-packages/sympy
"C:\Python27\lib\site-packages\sympy\integrals\integrals.py", line 1232, in integrate File "C:\Python27\lib\site-packages\sympy\integrals\integrals.py", line 876, in _(r.subs(t, a*x**b))
File "C:\Python<