擅长:python、mysql、java
<p>使用<code>manual=True</code>似乎解决了我的问题,尽管我不知道为什么。在</p>
<p><a href="http://docs.sympy.org/dev/modules/solvers/solvers.html" rel="nofollow">documentation</a>上写着</p>
<blockquote>
<p>‘manual=True (default is False)’</p>
<p>do not use the polys/matrix method to solve a system of equations, solve them one at a time as you might “manually”.</p>
</blockquote>
<p>不管是什么意思。在</p>
<p>然而,<code>solve([axx - bxx, byy], manual = True)</code>和{<cd2>}都给出了相同的结果。在</p>