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sympy/sympy

A computer algebra system written in pure Python http://sympy.org/ . To get started to with contributing https://github.com/sympy/sympy/wiki/Introduction-to-contributing

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Repo info

Activity

Aug 05 12:45

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

included exp forms for bessel f… (compare)
Aug 05 12:05

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

Minor change (compare)
Aug 05 11:59

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

Refactored mrv_leadterm in grun… (compare)
Aug 01 03:22

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

Added e.is_negative case for be… (compare)
Aug 01 02:43

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

hanled e.is_negative case for b… (compare)
Aug 01 02:03

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

Replacing exp rewrite with trig… (compare)
Jul 31 11:41

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

Minor changes (compare)
Jul 31 11:30

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

added support when exponent of … (compare)
Jul 31 11:00

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

Fixed leading term method for b… (compare)
Jul 28 04:15

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

Added tests for 7224 (compare)
Jul 28 03:19

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

Added tests for series of besse… (compare)
Jul 28 02:51

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

Added series test for besseli f… (compare)
Jul 28 02:38

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

Added tests for leading term me… (compare)
Jul 28 02:25

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

Added nseries method for bessel… (compare)
Jul 27 18:26

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

Fixed failing tests (compare)
Jul 27 14:49

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

Added and fixed some tests (compare)
Jul 27 14:20

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

implemented leading term and ns… (compare)
Jul 27 14:16

anutosh491 on GSoC_Pr4.1_Implementing_few_series_methods_for_bessel_functions

fixed series for bessely (compare)
Jul 26 08:30

anutosh491 on GSOC_PR3_Implementing_nseries_for_some_inverse_functions

(compare)
Jul 25 16:17

anutosh491 on GSOC_PR3_Implementing_nseries_for_some_inverse_functions

Refactored series method in exp… (compare)

SHUBHAM KHANTWAL

@shubham-khantwal

@Arpan612 thanks

Samfield Hawb Bassey

@psalmfill

Hello Everyone, My Name is Samfield Hawb, I wish to contribute to sympy during this year GSoC

SHUBHAM KHANTWAL

@shubham-khantwal

how can i run my project after i made a change?

Arpan Chattopadhyay

@Arpan612

@shubham-khantwal Could you please elaborate?

@psalmfill Hi, welcome to SymPy. Please find the links below to get started.

https://github.com/sympy/sympy/wiki/Introduction-to-contributing

https://github.com/sympy/sympy/blob/master/README.rst

SHUBHAM KHANTWAL

@shubham-khantwal

actually , i made changes to my clone repo and i want to check them . since i have installed sympy from pip , how can i make sure that the code is being checked by my clones repo or installed sympy library?

Arpan Chattopadhyay

@Arpan612

Firstly close any open files and terminal. Then please go to your clone repo folder by terminal and then run the python file which will open your application.

Hope it helps.

SHUBHAM KHANTWAL

@shubham-khantwal

i found a link https://github.com/sympy/sympy/#user-content-tests . can this help?

Kritika Gupta

@kritika12298

Hello I am Kritika Gupta and am looking forward to contribute to the project Classical Mechanics: Implement an O(N) Equation of Motions Method.

Please guide me on how to get started

SHUBHAM KHANTWAL

@shubham-khantwal

Firstly close any open files and terminal. Then please go to your clone repo folder by terminal and then run the python file which will open your application.

right , I could not get that application file , in this case i want to know sympy main file that i could run and check whether all function are working properly or not

Arpan Chattopadhyay

@Arpan612

@shubham-khantwal If you just want to check, I think using sympy bot will be a good idea.

@kritika12298 Hi Kritika, welcome to SymPy. Please find the links below to get started.

https://github.com/sympy/sympy/wiki/Introduction-to-contributing

https://github.com/sympy/sympy/blob/master/README.rst

harshavardhan-99

@harshavardhan-99

I am harrsha from iiit hyderabad india. I am interested in working on "Continuum mechanics: Creating a Rich beam Solver and Extending Continuum Mechanics module". I have thought of possible addition I can make to this module . I'm even working on some issues.

The issues are :

Developing polygon geometric cross-sections using FEM modelling of the cross section
Calculating the first moment of area for ellipses class
Making composite shapes using Boolean operations on basic shapes in the geometry module.
Developing separate cross section APIs for steel and concrete beam(with reinforcement orientation included)(including T beam , Rectangular, Steel)
Implementing Moment curvature module for nonlinear analysis of Beam
Plotting graphs related to Moment curvature analysis.
Implementing fiber analysis model of Beam

2D frame structure implementation and its calculations using method of matrix displacement method. It won’t be a part of beam module, but can be taken under continuum mechanics.
Performing stability analysis of columns and frame
Implementing simple frames Buckling and its calculations.
Plotting graphs related to frame buckling

Please suggest any particular issues I can add to my proposal which are more important this time.

Mean while I will come up with my plan on implementing these to the sympy repo

harshavardhan-99

@harshavardhan-99

I will send the proposal plan to the corresponding mentor in mailing list

Please review it

Smit Gajjar

@smitgajjar

There is no documentation for C and Fortran Parser which is in parsing package! If it is available, please share the link here. Thanks

Vatsal Srivastava

@sava-1729

Hi, I have added a function to sets.py, but it's not getting imported along with the other classes/functions in sets.py

Please help

Also, how are we supposed to run tests?

Vatsal Srivastava

@sava-1729

I have installed sympy via pip, and cloned the repo too, in separate directories though. So is it getting confused because of that?

Smit Gajjar

@smitgajjar

@sava-1729 Try calling that function from your module after specifying relative or absolute path to the sympy repo you cloned

Something like this

from <path>.sympy import sets

Or if your module lies in sympy repo, simply: from sympy import sets

Anubhav Gupta

@sudoWin

Another way of doing that could be you can just go to your cloned folder, and then you can do

python3 ./bin/isympy

That will run an IPython Notebook with your module and changes imported

SHUBHAM KHANTWAL

@shubham-khantwal

can somebody explain how isympy is running notebook . all i see is some os and sys code that is working over some path

Kalevi Suominen

@jksuom

This is the chain of calls: isympy -> init_session -> ipython -> notebook.

SHUBHAM KHANTWAL

@shubham-khantwal

ok... thanks

Maarten van der Velde - (Ideogram)

@ideogram

Dear people, I hope I can 'shoot' a quick question here...: Is there a way to PREVENT sympy's evalf() function from interpreting the letter 𝐈 (capital i) as √-1 ? For that matter, can I pursuade it to understand the letters E and N as 'just' another symbol holding a variable?

(I tried googling it, but this question seems a bit too vague for Google to handle. Neither can I find anything in the documentation of the eval function or in source code of SymPy)

Kalevi Suominen

@jksuom

Would it suffice to define those as symbols: E, I, N = symbols('E I N')?

Maarten van der Velde - (Ideogram)

@ideogram

Okay, I will try that. I did not define them, as I used subs. Thanks!

SHUBHAM KHANTWAL

@shubham-khantwal

hello guys , i got an error "cannot import name add" . Can somebody help me with that ? i am getting this error whenever i am trying to shift function from one class to another or while creating new class

Maarten van der Velde - (Ideogram)

@ideogram

@jksuom Thanks,... it didn't help, though :)

SHUBHAM KHANTWAL

@shubham-khantwal

@ideogram why you want to use only predefined symbols. why don't you use another set?

Maarten van der Velde - (Ideogram)

@ideogram

@shubham-khantwal It might, in the most extreme case, be used on user input. 'I' is a common variable to use for iterations, so I can expect people to use that variable.

SHUBHAM KHANTWAL

@shubham-khantwal

OK..

Maarten van der Velde - (Ideogram)

@ideogram

I now notice that is only capital "I, E and N" that have this problem, 'i, e en n' are okay. But still.

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