Re: Matplotlib error: Value Error: x and y must have same first dimension

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From	Laura Creighton <lac@openend.se>
Newsgroups	comp.lang.python
Subject	Re: Matplotlib error: Value Error: x and y must have same first dimension
Date	Fri, 13 Nov 2015 09:34:23 +0100
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Comments	In-reply-to Abhishek <abhishek.mallela@gmail.com> message dated "Thu, 12 Nov 2015 17:54:28 -0800."
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In a message of Thu, 12 Nov 2015 17:54:28 -0800, Abhishek writes:
>I am trying to run some Python code for the last few hours. How can I achieve the effect of "dot divide" from Matlab, in the following code? I am having trouble working with list comprehension and numpy arrays and getting the following error:
>
>    Traceback (most recent call last):
>      File "Thurs.py", line 128, in <module>
>        plt.plot(np.array(range(1,N/2+2)), Splot[alpha][iii,val]/utot[iii,val],color=cmap(iii/50))
>
>    ValueError: x and y must have same first dimension

Splot is a list.  matplotlib wants 2 numpy arrays.  You have to cast
it with np.array() too.

no guarantees that the rest of the code works -- it is not plotting for
me -- but that gets rid of that error at any rate.

Laura

Thread

Matplotlib error: Value Error: x and y must have same first dimension Abhishek <abhishek.mallela@gmail.com> - 2015-11-12 17:54 -0800
  Re: Matplotlib error: Value Error: x and y must have same first dimension Laura Creighton <lac@openend.se> - 2015-11-13 09:34 +0100
  Re: Matplotlib error: Value Error: x and y must have same first dimension Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2015-11-13 14:04 +0000
  Re: Matplotlib error: Value Error: x and y must have same first dimension Laura Creighton <lac@openend.se> - 2015-11-13 16:43 +0100
  Re: Matplotlib error: Value Error: x and y must have same first dimension Abhishek Mallela <abhishek.mallela@gmail.com> - 2015-11-13 11:44 -0600

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