Status: New
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 3913 by moorepa...@gmail.com: Basic commands in mechanics fail on
SymPy live
http://code.google.com/p/sympy/issues/detail?id=3913
Here is a call that raises an error.
http://live.sympy.org/?evaluate=%3E%3E%3E%20from%20sympy.physics.mechanics%20import%20ReferenceFrame%2C%20inertia%0A%3E%3E%3E%20N%20%3D%20ReferenceFrame%28%27N%27%29%0A%3E%3E%3E%20%23%20supply%20a%20reference%20frame%20and%20the%20moments%20of%20inertia%20if%20the%20object%20is%20symmetrical%0A%3E%3E%3E%20inertia%28N%2C%201%2C%202%2C%203%29%0A%28N.x|
N.x%29%20%2B%202*%28N.y|
N.y%29%20%2B%203*%28N.z|
N.z%29%0A%3E%3E%3E%20%23%20supply%20a%20reference%20frame%20along%20with%20the%20products%20and%20moments%20of%20inertia%20for%20a%20general%20object%0A%3E%3E%3E%20inertia%28N%2C%201%2C%202%2C%203%2C%204%2C%205%2C%206%29%0A%28N.x|
N.x%29%20%2B%204*%28N.x|N.y%29%20%2B%206*%28N.x|N.z%29%20%2B%204*%28N.y|
N.x%29%20%2B%202*%28N.y|N.y%29%20%2B%205*%28N.y|N.z%29%20%2B%206*%28N.z|
N.x%29%20%2B%205*%28N.z|N.y%29%20%2B%203*%28N.z|
N.z%29%20%0A%23--%0Afrom%20sympy.physics.mechanics%20import%20ReferenceFrame%2C%20inertia%0A%23--%0AN%20%3D%20ReferenceFrame%28%27N%27%29%0A%23--%0Ainertia%28N%2C%201%2C%202%2C%203%29%0A%23--%0A
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