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Hi, I think inv(A::MatrixSymbol) should be defined as A.inverse() (see here). Currently, the following error is thrown:
julia>using SymPy
julia>@syms n integer=true positive=true
(n,)
julia> Aₙ₋₁ = sympy.MatrixSymbol("Aₙ₋₁", n -1, n -1)
Aₙ₋₁
julia> Aₙ₋₁.I
-1
Aₙ₋₁
julia>inv(Aₙ₋₁)
ERROR: PyError ($(Expr(:escape, :(ccall(#= /home/schneider/.julia/packages/PyCall/tqyST/src/pyfncall.jl:43 =#@pysym(:PyObject_Call), PyPtr, (PyPtr, PyPtr, PyPtr), o, pyargsptr, kw))))) <class 'NotImplementedError'>NotImplementedError()
File "/home/schneider/.local/lib/python3.8/site-packages/sympy/core/decorators.py", line 96, in __sympifyit_wrapper
returnfunc(a, b)
File "/home/schneider/.local/lib/python3.8/site-packages/sympy/core/numbers.py", line 1774, in __truediv__
return Number.__truediv__(self, other)
File "/home/schneider/.local/lib/python3.8/site-packages/sympy/core/decorators.py", line 96, in __sympifyit_wrapper
returnfunc(a, b)
File "/home/schneider/.local/lib/python3.8/site-packages/sympy/core/numbers.py", line 778, in __truediv__
return AtomicExpr.__truediv__(self, other)
File "/home/schneider/.local/lib/python3.8/site-packages/sympy/core/decorators.py", line 267, in _func
returnfunc(self, other)
File "/home/schneider/.local/lib/python3.8/site-packages/sympy/core/decorators.py", line 136, in binary_op_wrapper
returnf(self)
File "/home/schneider/.local/lib/python3.8/site-packages/sympy/matrices/expressions/matexpr.py", line 28, in __sympifyit_wrapper
returnfunc(a, b)
File "/home/schneider/.local/lib/python3.8/site-packages/sympy/core/decorators.py", line 137, in binary_op_wrapper
returnfunc(self, other)
File "/home/schneider/.local/lib/python3.8/site-packages/sympy/matrices/expressions/matexpr.py", line 160, in __rtruediv__
raise NotImplementedError()
Stacktrace:
[1] pyerr_check at /home/schneider/.julia/packages/PyCall/tqyST/src/exception.jl:62 [inlined]
[2] pyerr_check at /home/schneider/.julia/packages/PyCall/tqyST/src/exception.jl:66 [inlined]
[3] _handle_error(::String) at /home/schneider/.julia/packages/PyCall/tqyST/src/exception.jl:83
[4] macro expansion at /home/schneider/.julia/packages/PyCall/tqyST/src/exception.jl:97 [inlined]
[5] #109 at /home/schneider/.julia/packages/PyCall/tqyST/src/pyfncall.jl:43 [inlined]
[6] disable_sigint at ./c.jl:446 [inlined]
[7] __pycall! at /home/schneider/.julia/packages/PyCall/tqyST/src/pyfncall.jl:42 [inlined]
[8] _pycall!(::PyCall.PyObject, ::PyCall.PyObject, ::Tuple{Sym}, ::Int64, ::Ptr{Nothing}) at /home/schneider/.julia/packages/PyCall/tqyST/src/pyfncall.jl:29
[9] _pycall! at /home/schneider/.julia/packages/PyCall/tqyST/src/pyfncall.jl:11 [inlined]
[10] #_#116 at /home/schneider/.julia/packages/PyCall/tqyST/src/pyfncall.jl:86 [inlined]
[11] (::PyCall.PyObject)(::Sym) at /home/schneider/.julia/packages/PyCall/tqyST/src/pyfncall.jl:86
[12] /(::Sym, ::Sym) at /home/schneider/.julia/packages/SymPy/Ja40T/src/mathops.jl:13
[13] inv(::Sym) at ./number.jl:199
[14] top-level scope at REPL[13]:1
EDIT: this might be related to #200 in general as well.
The text was updated successfully, but these errors were encountered:
jverzani
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Feb 3, 2021
Hi, I think
inv(A::MatrixSymbol)
should be defined asA.inverse()
(see here). Currently, the following error is thrown:EDIT: this might be related to #200 in general as well.
The text was updated successfully, but these errors were encountered: