Re: [sympy] Incorrect result from solve function

2016-03-02 Thread David Colson
Hi Jason, Yea it appears I had it correct all along. I wasn't aware of the trigsimp function so I never thought the two equations matched correctly. Thank you for your help it's much appreciated. I'll check out that mechanics package! Thanks again! David On Wednesday, 2 March 2016 22:41:19 UT

Re: [sympy] Incorrect result from solve function

2016-03-02 Thread Jason Moore
I just ran your notebook and added this line to the bottom: trigsimp(theta1dotdot_alt - theta1dotdot[0]) This returns zero, which means the solution you derive is equivalent to the the version you provide. I'd recommend the sympy.physics.mechanics package if you'd like to have more tools to work

Re: [sympy] GSOC 16 : implementation-of-vector-integration

2016-03-02 Thread Ashwani Gautam
I am looking into it. On Wednesday, March 2, 2016 at 10:22:44 PM UTC+5:30, Jason Moore wrote: > > This work has been started: > > https://github.com/sympy/sympy/pull/9937 > > I'd recommend helping finish that PR. > > > Jason > moorepants.info > +01 530-601-9791 > > On Tue, Mar 1, 2016 at 8:07 PM,

Re: [sympy] GSoC16 : Implementation of Ordinary Differential Equation / Series

2016-03-02 Thread Aaron Meurer
On Wed, Mar 2, 2016 at 3:20 PM, Vivek Sangwan wrote: > Hi Ondrej, > > My name is Vivek Sangwan, a fourth year undergraduate at IIT Bombay. I am > majoring in Electrical Engineering with minor degree in "Computer Science & > Engineering". I was very fascinated by the idea of implementation of ODE a

[sympy] GSoC16 : Implementation of Ordinary Differential Equation / Series

2016-03-02 Thread Vivek Sangwan
Hi Ondrej, My name is Vivek Sangwan, a fourth year undergraduate at IIT Bombay. I am majoring in Electrical Engineering with minor degree in "Computer Science & Engineering". I was very fascinated by the idea of implementation of ODE and "series" module. I am very good at mathematics and have a

Re: [sympy] Incorrect result from solve function

2016-03-02 Thread Ondřej Čertík
Hi David, On Wed, Mar 2, 2016 at 12:50 PM, David Colson wrote: > Hello, > > This issue has bothered me for a few days I can seem to see what's wrong. So > I resorted to asking for help. > > I'm trying to derive the equations of motion for a double pendulum system > using Lagrangian mechanics. It

[sympy] Incorrect result from solve function

2016-03-02 Thread David Colson
Hello, This issue has bothered me for a few days I can seem to see what's wrong. So I resorted to asking for help. I'm trying to derive the equations of motion for a double pendulum system using Lagrangian mechanics. It involves some unpleasant algebra to solve and I thought sympy would be ide

[sympy] Re: GSoC 2016: Singularity Functions

2016-03-02 Thread SAMPAD SAHA
Jason , Sorry, actually I didn't notice that I haven't added the list in cc. It was mistaken. I will let you know about my status of my proposal soon. Thank You. Sampad Regards Sampad Kumar Saha Mathematics and Computing I.I.T. Kharagpur On Thu, Mar 3, 2016 at 1:16

[sympy] Re: GSoC 2016: Singularity Functions

2016-03-02 Thread Jason Moore
Sampad, please try to keep conversations on list so that everyone can benefit. Please draft your proposal on the SymPy wiki. Jason moorepants.info +01 530-601-9791 On Wed, Mar 2, 2016 at 11:44 AM, SAMPAD SAHA wrote: > Jason, > > I have started working on my proposal. After adding some ideas o

[sympy] Re: GSoC 2016: Singularity Functions

2016-03-02 Thread SAMPAD SAHA
Jason, Thank You. I would try my level best to follow your suggestions. I would try to send more patches to make my proposal more better. Regards Sampad Kumar Saha Mathematics and Computing I.I.T. Kharagpur On Thu, Mar 3, 2016 at 12:44 AM, Jason Moore wrote: > Sampad, > > Only one patch is

[sympy] Re: GSoC 2016: Singularity Functions

2016-03-02 Thread Jason Moore
Sampad, Only one patch is required along with the proposal. But if you have a look at the winning proposals from previous years, I think you'll see that people with more patches and higher engagement with the community are much more likely to get accepted. I'd recommend doing as much as you can to

[sympy] Re: GSoC 2016: Singularity Functions

2016-03-02 Thread SAMPAD SAHA
Jason, I had fixed an issue earlier . This was my PR. Do I need to send any more patch file? --- With Regards Sampad Regards Sampad Kumar Saha Mathematics and Computing I.I.T. Kharagpur On Sun, Feb 28, 2016 at 9:59 PM, Jason Moore wr

Re: [sympy] Re: GSOC 2016 sympy-live-and-sympy-gamma-on-google-app-engine

2016-03-02 Thread mvnnn
On Wednesday, March 2, 2016 at 11:24:12 PM UTC+5:30, mvnnn wrote: > > thanks for reply me @Jason. my PR sympy/pulls/mvnnn > and sympy_doc/pulls/mvnnn > . now,i am looking for > website issue.in this pr

Re: [sympy] Re: GSOC 2016 sympy-live-and-sympy-gamma-on-google-app-engine

2016-03-02 Thread mvnnn
thanks for reply me @Jason. my PR sympy/pulls/mvnnn and sympy_doc/pulls/mvnnn . now,i am looking for website issue.in this project *Potential Mentors *not mention. i want to discuss project related idea

[sympy] Re: GSoC idea for a project: Number Theory

2016-03-02 Thread gkatanna
M = known Mersenne Prime P = 1 Composite C = 0 K = Supposed Prime Mersenne. M = 42643801 01001000 M = 43112609 01001000 M = 57885161 11001000 K = 75993119 [ERROR] 11001000 But come next. M = 74207281 Donato. Em quarta-feira, 2 de março de 2016 14:21:13 UTC-3, C ANIL Reddy

[sympy] GSoC 16: Improve the plotting module

2016-03-02 Thread Prachi Agrawal
Hello, I am Prachi, a second year undergraduate student pursuing Computer Science at IIIT Hyderabad. I found the "Improve the plotting module for sympy" project very interesting and therefore want to contribute to it for GSoC this year. I have a decent knowledge of Python, C, C++, HTML, CSS a

[sympy] GSoC idea for a project: Number Theory

2016-03-02 Thread C ANIL Reddy
Hi I've added a project idea here: *Number Theory* *Idea* I want to Implement more functions in number theory Finding solutions to system Diophantine equations, Prime factorization of factorials in less time, Finding n consecutive composite numbers , Checking Perfect Number or not

[sympy] GSOC 16 Assumption module in symengine.

2016-03-02 Thread Vyas Giridharan
Hi. I am new to the community and i look towards contributing to symengine for the upcoming GSOC 2016 event. I looked into the assumptions modules in sympy and understood its basics. Anyone out there who could help me with the use of handlers in the assumptions module, It would be very helpful.

[sympy] sympy live and sympy gamma

2016-03-02 Thread shivangi bajpai
hello, I am Shivangi . I am a django developer. I have gone through the ideas page and I find sympy live and sympy gamma quite exciting. I would like to work on this project. I have made various projects based on django,python.Currently,I am involved in Stanford crowdresearch program based on de

Re: [sympy] GSOC 16 : implementation-of-vector-integration

2016-03-02 Thread Jason Moore
This work has been started: https://github.com/sympy/sympy/pull/9937 I'd recommend helping finish that PR. Jason moorepants.info +01 530-601-9791 On Tue, Mar 1, 2016 at 8:07 PM, Ashwani Gautam wrote: > Yes i agree, smart choice of coordinate system can greatly simplify the > math involved, a

[sympy] Re: memory error

2016-03-02 Thread gkatanna
What is the exact function of the clear? Could someone explain to me, Thankful. from sympy import * k=factorint(13**10**6) cache.clear_cache() print (k) Ps; Google Translate Em sexta-feira, 3 de setembro de 2010 16:22:34 UTC-3, klmn escreveu: > > Wow, what a fast and exact answer! clear_cache doe

[sympy] Re: help Having troubles starting development

2016-03-02 Thread Shekhar Prasad Rajak
If you want to run sympy from the git version then follow these step: 1.git clone git://github.com/sympy/sympy.git 2.cd sympy 3.from the terminal run this = bin/isympy Hope this will help. -- Shekhar Prasad Rajak On Wednesday, 2 March 2016 10:25:46 UTC+5:30, summ...@mymacewan.ca wrote: > > I am

Re: [sympy] Regarding Code Generation with Sympy

2016-03-02 Thread Jason Moore
Jason moorepants.info +01 530-601-9791 On Tue, Mar 1, 2016 at 10:25 PM, Tanu Hari Dixit wrote: > Hello all, > > I am a GSoC aspirant and I want to work on the Code Generation module > as > a project this year. > > I had a few

Re: [sympy] Re: GSOC 2016 sympy-live-and-sympy-gamma-on-google-app-engine

2016-03-02 Thread Jason Moore
For the GSoC patch requirement, you can submit patches to any of SymPy's projects. I'd recommend getting at least one patch into SymPy itself. Jason moorepants.info +01 530-601-9791 On Wed, Mar 2, 2016 at 12:24 AM, mvnnn wrote: > currently, i am contributing in sympy and sympy_doc. i need to c

Re: [sympy] Re: GSoC idea for a project: holonomic functions

2016-03-02 Thread meghana . madhyastha
Hi, I have a few questions. Would this project also involve representing holonomic sequences ? (in the case that one would want to obtain a relation for the Taylor series coefficients which essentially forms a holonomic sequence). In that case, the generators of the ore algebra can be either th

[sympy] Re: GSoC 16: Solvers

2016-03-02 Thread Kshitij Saraogi
While looking at the ``solver`` module, I came across the ``nsolve`` method which solves a nonlinear equation system numerically. I researched for possible ways of solving such a system for exact solutions and I find these papers particularly interesting: [1]: A General Solver based on Sparse R

Re: [sympy] help Having troubles starting development

2016-03-02 Thread Jason Moore
I recommend installing Anaconda https://www.continuum.io/downloads. Once you install Anaconda you will have sympy and many other packages installed. Then to develop on SymPy, simply clone the git repo and navigate to that directory. Modify the code in that directory and then you can run the tests,

[sympy] Re: GSOC 2016 sympy-live-and-sympy-gamma-on-google-app-engine

2016-03-02 Thread mvnnn
currently, i am contributing in sympy and sympy_doc. i need to contribute also in sympy-live and sympy-gamma website ? -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to