xscale='log' seems to be broken in v.1.4

[Javier Arantegui]

Hello!

I'm starting to use Sympy (and Python, in fact) and I have just subscribed to the list. Please, forgive me if I say something not particularly smart.

I think that logarithm scales in plots are broken in v. 1.4.

If I try something very simple like this:

plot(x, (x, .001,100), xscale='log')

In version 1.3, the x axis goes from 1e-3 to 1e2 as expected. But, in version 1.4, it goes from 9e-1 to 2e0.

I believe that the problem started here: https://github.com/sympy/sympy/pull/15607

This problem has driven me crazy for one hour until I tried my code in a different computer with an older version of sympy.

Best regards,

Javier

[Oscar Gustafsson]

There is a fix in https://github.com/sympy/sympy/pull/16796 which I think should solve it.

Thanks for reporting it. You may report any additional bugs at https://github.com/sympy/sympy/issues (although this clearly also worked well).

BR Oscar

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[Jogi Miglani]

Hi Javier,

Sorry for inconvenience caused to you. I got that the limits are not being showed properly after reproducing the error in my laptop. I will solve this bug as soon as possible or open an issue regarding this and get it merged to master.

Cheers

Jogi Miglani

[Javier Arantegui]

Dear Oscar,

Thank you for you quick answer. Next time I'll use github to report
new problems.

Javier

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[Javier Arantegui]

Hello,

No problem. Finally I did the plots using numpy and matplotlib. It was
a little bit more of work, but it worked.

Javier

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