Re: [sympy] Problem with sqrt(-1)

2021-01-05 Thread Oscar Benjamin
SymPy users can use sympy from different contexts or interfaces. They might use it through octave or sage or mathics etc. Or they can use SymPy directly in Python. The advantage of allowing users to use sympy directly in Python is that they can use all of the tools of the Python language to manipul

Re: [sympy] Problem with sqrt(-1)

2021-01-05 Thread David Bailey
On 04/01/2021 23:05, Aaron Meurer wrote: On Mon, Jan 4, 2021 at 3:32 PM David Bailey wrote: There's always the risk that a syntax mistake will actually be valid syntax in some unrelated way. For example, you might accidentally write x(y + z) instead of x*(y + z). x(y + z) is valid syntax (it cal