[英]How to pretty print to a file in sympy?
Suppose I have the following code:假设我有以下代码:
import sympy as sp
from sympy.physics.quantum import TensorProduct
s=sp.eye(2)
a=TensorProduct(s*x,TensorProduct(s,s)).subs(x,x**2+2*x+1)
sp.pprint(a)
For python>=3.4
, 对于python>=3.4
,
from contextlib import redirect_stdout
import sympy as sp
from sympy.physics.quantum import TensorProduct
s = sp.eye(2)
x = sp.symbols('x')
a = TensorProduct(s*x, TensorProduct(s, s)).subs(x, x**2+2*x+1)
with open('data.txt', 'w') as f:
with redirect_stdout(f):
sp.pprint(a, wrap_line=False)
. 。
sympy.preview
: sympy.preview
:
sp.preview(a, viewer='file', filename="out.png", dvioptions=['-D','300'])
Would allow you to save the expression as LaTeX/png/pdf.将允许您将表达式保存为 LaTeX/png/pdf。
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