擅长:python、mysql、java
<p>如果您希望产品的参数以给定的顺序出现,您可以从这些参数创建一个Mul,然后告诉打印机,您不希望它们按照添加时显示的<a href="https://stackoverflow.com/questions/58533081/how-to-determine-the-arrangement-of-the-polynomial-when-displaying-it-with-latex/58541371#58541371">here</a>重新排序。作为你的例子,你可以这样做</p>
<pre><code>>>> var('epsilon, sigma, T')
(epsilon, sigma, T)
>>> this = Mul(epsilon, sigma, T**4, evaluate=False)
>>> StrPrinter({'order':'none'})._print_Mul(this)
epsilon*sigma*T**4
</code></pre>