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

Vishesh Mangla

@XtremeGood

90*60 should have been done

also this too

ThePauliPrinciple

@ThePauliPrinciple

that last equation looks implified?

*simplified

what were you expecting it to look like?

Vishesh Mangla

@XtremeGood

decimal

Vishesh Mangla

@XtremeGood

sorry had a test and needed to go

ThePauliPrinciple

@ThePauliPrinciple

Your expectation is wrong

It will not do that

It will keep it as a fraction

ThePauliPrinciple

@ThePauliPrinciple

When we use lambdify, is there any way to inspect the generated code?

Ehren Metcalfe

@ehren

@ThePauliPrinciple https://docs.sympy.org/latest/modules/utilities/lambdify.html has an example with inspect.getsource(lambdified_func)

ThePauliPrinciple

@ThePauliPrinciple

Thanks! This is perfect

Helps a ton with debugging when it " doesn't work"

ThePauliPrinciple

@ThePauliPrinciple

def _lambdifygenerated(x, w, b):
    y = b + tensorflow.linalg.einsum('...i,...ij->...j',x,w)
    y = tensorflow.math.tanh(y)
    return y

looks like it is working now

uhm... weird format

def _lambdifygenerated(x, w, b):
y = b + tensorflow.linalg.einsum('...i,...ij->...j',x,w)
y = tensorflow.math.tanh(y)
return y

def _lambdifygenerated(x, w, b):
    y = b + tensorflow.linalg.einsum('...i,...ij->...j',x,w)
    y = tensorflow.math.tanh(y)
    return y

don't understand why it doesn't print newlines

def _lambdifygenerated(x, w, b):
    y = b + tensorflow.linalg.einsum('...i,...ij->...j',x,w)
    y = tensorflow.math.tanh(y)
    return y

Got it

Eva Tiwari

@evatiwari

Hello, I am a newcomer. I had found out this slight issue while using sympy today:

sympy/sympy#20112

It would be nice if someone helped me out with this

Bhaskar Joshi

@BhaskarJoshi-01

Hi everyone! I am a beginner to the Open Source Community. Could I ask my doubts regarding setting up the environment in this forum? Could anyone tell me the use of "anaconda" we are using here? I have installed it, but I think all the tasks could be done without it, right?

ThePauliPrinciple

@ThePauliPrinciple

In principle yes

The nice thing about anaconda is that you can set up different environments, where different version of python/site packages are installed and you can switch between those environments with a simple command

Bhaskar Joshi

@BhaskarJoshi-01

@ThePauliPrinciple Thanks a lot for clearing my doubt.

ThePauliPrinciple

@ThePauliPrinciple

In general, if a program exists to do something, you can make/do it yourself too, it is just a matter of convenience

Ashton Bradley

@AshtonSBradley

I am trying to understand how much Rubi is used in SymPy. Can anyone enlighten me https://rulebasedintegration.org/downloadRubi.html

Ramanathi

@Ramanathi

Hello community!!. I'm new here. I have got this after testing using /bin/test. So Is it correct? or do I have to install other dependencies?

Ehren Metcalfe

@ehren

@Ramanathi that looks good. You'll get a "do not commit" message if a test failed.

Bhaskar Joshi

@BhaskarJoshi-01

Hey!! I think I solved an issue that was mentioned in the Issues section and I want to make a PR for that issue . So Could anyone guide me ? Issue is " Simplify x**2 / abs(x) to abs(x) if x is real #20108 " and Link is " sympy/sympy#20108 "

Bhaskar Joshi

@BhaskarJoshi-01

Should I tag sympy-bot and ask for the issue to be assigned to me?

Ramanathi

@Ramanathi

@ehren Thank you.

Ramanathi

@Ramanathi

Hello everyone!!. Most of easy to fix's are commented, So does it mean that somebody is working on those issues ?. Also can anyone suggest the good way of selecting issues to work on ?

Aryan Anand

@aryan-anand

Hello everyone,

I am completely new to Open source.Can anyone help me to get started?

ThePauliPrinciple

@ThePauliPrinciple

display(S('(-3*Z_A+3*Z_B-3*x**3/d**2)/d**3').subs(S('Z_B-Z_A'),S('z')))
display(S('(3*z-3*x**3/d**2)/d**3'))

any idea why the substitution isn't happening?

second line is what I expected it to be

Happens even like this: display(S('2*Z_B-2*Z_A').subs(S('Z_B-Z_A'),S('z')))

ThePauliPrinciple

@ThePauliPrinciple

If I use 1 instead of 2 for the number I multiply it with it does replace it

Ramanathi

@Ramanathi

Hello everyone!!. Most of easy to fix's are commented, So does it mean that somebody is working on those issues ?. Also can anyone suggest the good way of selecting issues to work on ?

Anyone?

ThePauliPrinciple

@ThePauliPrinciple

The people actively developping sympy seem to be in here a couple of times per week, so you might have to wait a bit for an answer (if getting it at all)

almighty123789

@almighty123789

Can anyone explain as to how run my own modified code of sympy on my pc? I followed the online documentation creating a new environment on conda but to no avail. I use VS code as my code editor.

Sayandip Halder

@sayandip18

Can anyone explain as to how run my own modified code of sympy on my pc?

@almighty123789 You have to install Sympy from git if you want to run your own version. See this.

Fabio Luporini

@FabioLuporini

This message was deleted

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