Re: [sympy] Re: Google Season of Docs organization application

2020-05-02 Thread Aaron Meurer
I have the application that I intend to submit here. If you can review it by tomorrow, please do so. The deadline is Monday. https://github.com/sympy/sympy/wiki/GSoD-2020-Organization-Application Aaron Meurer On Sat, May 2, 2020 at 5:57 PM S.Y. Lee wrote: > > I have also submitted the form to me

[sympy] Re: Google Season of Docs organization application

2020-05-02 Thread S.Y. Lee
I have also submitted the form to mentor the program. On Tuesday, April 14, 2020 at 5:36:55 AM UTC+9, Aaron Meurer wrote: > > The Google Season of Docs (GSoD) organization applications are now > open. See https://developers.google.com/season-of-docs/docs/admin-guide. > > If anyone is interested

Re: [sympy] small questions about manipulating equations and sums

2020-05-02 Thread David Bailey
On 02/05/2020 14:20, Oscar Benjamin wrote: I guess I haven't explained this very well. To be clear your example sould work fine with Equation: In [2]: a, b, k = symbols('a, b, k') In [3]: Equation(a+k,b+k)-k Out[3]: a = b There needs to be a distinction between a python expression like a+b and

[sympy] polar_lift 'name' problem when integrating a multidimensional gaussian

2020-05-02 Thread Lorenzo Monacelli
Dear All, I'm trying to integrate a multidimensional Gaussian with sympy. However, when I perform the integration, it crashes with an error related to polar_lift: import sympy as sy from sympy.abc import * sy.init_printing() C= sy.MatrixSymbol("C", 3, 3) r = sy.IndexedBase("r", real = True) a,b

Re: [sympy] small questions about manipulating equations and sums

2020-05-02 Thread Oscar Benjamin
On Sat, 2 May 2020 at 12:12, David Bailey wrote: > > On 02/05/2020 00:07, Oscar Benjamin wrote: > > There is a difference between having an object as part of an > expression and having an object that supports arithmetic operations. > Objects of type Expr support arithmetic operations and by defaul

Re: [sympy] small questions about manipulating equations and sums

2020-05-02 Thread David Bailey
On 02/05/2020 00:07, Oscar Benjamin wrote: There is a difference between having an object as part of an expression and having an object that supports arithmetic operations. Objects of type Expr support arithmetic operations and by default the result creates an expression involving the original ob