Jacky Yu

icon indicating a website link http://xueshu.baidu.com/scholarID/CN-BP749OAJ icon indicating an email [email protected]

icon location 3D printer software. Robot dynamics control and simulation.

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TypeError: cannot determine truth value of Relational

PS C:\Users\86159> pip install sympy Looking in indexes: https://mirrors.aliyun.com/pypi/simple Requirement already satisfied: sympy in c:\python\python37\lib\site-packages (1.10.1) Requirement already satisfied: mpmath>=0.19 in c:\python\python37\lib\site-packages (from sympy) (1.2.1)