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  • Aug 08 23:12
    codecov[bot] commented #19925
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    melsophos opened #19924
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    dsaw edited #19922
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Arpan Chattopadhyay
@Arpan612
I am reviewing your changes. I will put up my comments on Github.
Saanidhya
@Saanidhyavats
Sure
BasileiosKal
@BasileiosKal
Hi all! I have made the changes the reviewer's proposed in my pr #18875. Could you please review it?
Mohit Balwani
@Mohitbalwani26
In my PR #18881 travis has already passed on when i checked on travis offcial websote but it is showing still pending in GitHub. What could be the reason?
mohit
@mohitacecode
Hello Arpan,
I have left comment on the issue.
mohit
@mohitacecode
the files mentioned in the issues are already created you have to identify the test in test_matrices.py and test_commonmatrix.py and move them to their related test file. for example all the solvers related test should be transferred to test_solvers.py.
just a opinion the discussion related to pr should be kept there.I will also post the previous comment there.
Saanidhya
@Saanidhyavats
I have made a pr #18932, it would be helpful if someone could guide me further on it
Arpan Chattopadhyay
@Arpan612
I am on it.
Julian
@cod3monk
Is there a simple way to find and divide all terms of relationals by the gcd, if one exists?
This should turn 64*M*N - 104*N - 56 <= 11796480 into 8*M*N - 13*N - 7 <= 1474560. simplify does not do the trick.
mohit
@mohitacecode
maybe something like this.
>>> a = 64*M*N - 104*N - 56 - 11796480 <= 0
>>> factor(a)
8*(8*M*N - 13*N - 1474567) <= 0
@cod3monk
Stefan Corneliu Petrea
@wsdookadr
sss
Aaron Meurer
@asmeurer
@danshapero how should it simplify?
Daniel Shapero
@danshapero
@asmeurer the result I get is
>>> 0.5*(KroneckerDelta(i, k)*x[j] + KroneckerDelta(j, k)*x[i])*M[i, j]
which mathematically I know to be equal to 0.5 * (M[k, j] * x[j] + M[i, k] * x[i]) at the very least
of course I haven't put in any assumptions about M being self-adjoint so I'm not expecting anything there
Aaron Meurer
@asmeurer
oh I see it simplifies when you expand it
I'm not sure if there is code in sympy to simplify deltas like this yet.
it's possible there is and I am just not finding it
I would open an issue about it
Daniel Shapero
@danshapero
ok, thanks!
Arpan Chattopadhyay
@Arpan612
@asmeurer Does travis ci bulid fail when we have unused imports?
Smit Lunagariya
@Smit-create
Yes, it does.
Unused imports as well as for unused variables too.
Arpan Chattopadhyay
@Arpan612
Thanks!
Saanidhya
@Saanidhyavats
I have made some changes in pr #18681and made a new pr #18947, if someone could look at both of them then it would be really helpful
S.Y. Lee
@sylee957
@asmeurer Why does all PRs cannot be merged even if they pass the tests? Is there any problem with the bots?
Moses Paul R
@iammosespaulr
@sylee957 if you're referring to #18947 ... I don't think it passed the tests
  tests finished: 4675 passed, 1 failed, 183 skipped, 127 expected to fail, 

1 expected to fail but passed, in 1238.67 seconds 

DO *NOT* COMMIT!
btw ... Hi everyone !! ... I'm Moses and I'm new here :smile:
Arpan Chattopadhyay
@Arpan612
@iammosespaulr Hi, welcome. Please find the links below to get started.
Moses Paul R
@iammosespaulr
Thanks @Arpan612 !!
Arpan Chattopadhyay
@Arpan612
Anytime.
Arpan Chattopadhyay
@Arpan612
Could someone review my PR #18952 ?
Aaron Meurer
@asmeurer
@sylee957 where is a PR with this problem? Or did it get resolved?
Saanidhya
@Saanidhyavats
I have made the suggested changes in pr #18681, it would be helpful if someone could review it
Prashant Rawat
@prshnt19
Can someone please review my PR sympy/sympy-live#144 for issue sympy/sympy-live#121. Interpreter and docs both are working.
AdarshGoyal
@Adarshg315

Hi I am Adarsh Goyal, CSE JUNIOR at SVVV, Indore, MP(INDIA).

I have been working in python for the last 2.5 years and have a good hand at this.

My mathematical education is college level. I have completed discrete mathematics and other higher mathematics courses in the 3 year journey of my college and have a particular expertise in solving differential equations and Calculus Problems.

I am new to Symbolic Mathematics.
I had never used sympy or sympy-live, but used wolfram alpha many times.
my native language is Hindi and I also speak English and Understand Spanish.

I would ❤ to contribute to open source

Arpan Chattopadhyay
@Arpan612
I am having some trouble in computing the denominator i.e. pi(gamma(nk +1)). Could someone help me out?
http://functions.wolfram.com/GammaBetaErf/Multinomial/02/
@Adarshg315 Hi brother, welcome to SymPy! Please find the links below to get started.
Moses Paul R
@iammosespaulr
who might be the potential mentor for 'SymPy Live and SymPy Gamma (on Google App Engine)' ? @sylee957 @asmeurer ?
Gagandeep Singh
@czgdp1807
It looks like heavy projects are facing problems on travis. I have one project which is able to run the tests as it's in a very light weight stage of development.
See, https://www.traviscistatus.com/incidents/rx6fhs3wqcln?u=49rdxf5zfpg9
Moses Paul R
@iammosespaulr
I'm planning to work on Advancing SymPy Live and SymPy Gamma using NLP and others. I've also submitted a proposal draft. @probablementors do review it :smile:
OmarWagih1
@OmarWagih1

Hello all, could anyone please review my proposal draft here?
https://github.com/sympy/sympy/wiki/GSoC-2020-Application-Omar-Wagih:-Benchmarks-and-performance

I'm also looking to figure out who is going to be the mentor for this project as there isn't one listed, thank you.

Aaron Meurer
@asmeurer
you should go into more detail about how we will run the benchmarks. presently we have benchmarks but they aren't run very often