嗨,我正在参加一个Edx课程,学习使用Python进行线性代数学习。(http://nbviewer.ipython.org/github/ULAFF/notebooks/tree/may-14-2014/)。
在“02.4.2.10矩阵-向量乘法练习”中,第一个框的代码是:
import generate_problems as gp
print("What is the result of the matrix vector product below?")
p = gp.Problem()
p.new_problem()
generate_problems是一个Edx教授创建的模块。但是,我导入sympy时遇到了错误。
我遇到了下面的错误:
---------------------------------------------------------------------------
ImportError Traceback (most recent call last)
<ipython-input-10-79d56e0988cb> in <module>()
----> 1 import generate_problems as gp
2 print("What is the result of the matrix vector product below?")
3
4 p = gp.Problem()
5
/Users/user/Desktop/Course/Python/ipython/notebooks-master/generate_problems.py in <module>()
2 from numpy import matrix
3
----> 4 from sympy import init_printing, Matrix, MatMul, latex, Rational, zeros
5 from IPython.display import Math
6
ImportError: No module named sympy
我下载并安装了sympy,在终端(Mac OS X yosemite)中的sympy目录下导入时可以使用。能否有人帮我解决问题?