擅长:python、mysql、java
<p>在新的<code>isympy</code>会话中:</p>
<pre><code>These commands were executed:
>>> from __future__ import division
>>> from sympy import *
>>> x, y, z, t = symbols('x y z t')
>>> k, m, n = symbols('k m n', integer=True)
>>> f, g, h = symbols('f g h', cls=Function)
>>> init_printing()
Documentation can be found at https://docs.sympy.org/1.4/
In [1]: EpNaut = 8.854187E-12
...: u0 = 1.256E-6
...: k = 1/(4*pi*EpNaut)
...: NumGen = 1000
...: T = 1000
...: MaxEn = 7*T*k
...: Cone = 2/((k*T)**(3/2))
...:
...: SymsX = Symbol('SymsX')
...: MaxD = Function('MaxD')
...: PFunction = Function('PFunction')
...: MaxD = Cone*sqrt(SymsX/pi)*exp((-SymsX/(k*T))) #Define Maxwellian distri
...: bution function
...: PFunction = integrate(MaxD) #Integrate function to get probability-error
...: function
...:
</code></pre>
<p>结果是:</p>
^{pr2}$
<p><code>SymsX</code>仍然是一个符号,因此这些是<code>sympy</code>表达式,而不是数字。在</p>