格式化复数

问题描述

对于我的一个类中的项目，我们必须输出最多五位小数的数字。输出可能是一个复数，我无法知道如何输出小数点后五位的复数。对于浮动，我知道它只是：
$ b prerintf％0.5f％variable_name

是否有类似的复数？

解决方案

对于这样的问题，应该是你的第一站。具体来说，请查看部分。它列出了所有的字符串格式代码;复制数字不存在。

您可以使用 x.real分别格式化数字的实部和虚部和 x.imag ，并以 a + bi 形式打印出来。 p>

For a project in one of my classes we have to output numbers up to five decimal places.It is possible that the output will be a complex number and I am unable to figure out how to output a complex number with five decimal places. For floats I know it is just:

print "%0.5f"%variable_name

Is there something similar for complex numbers?

解决方案

For questions like this, the Python documentation should be your first stop. Specifically, have a look at the section on string formatting. It lists all the string format codes; there isn't one for complex numbers.

What you can do is format the real and imaginary parts of the number separately, using x.real and x.imag, and print it out in a + bi form.

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