iPython Notebook output latex or mathjax

Question

How do you get iPython to output results using latex?

For example, like on this page: http://nbviewer.ipython.org/urls/raw.github.com/ipython/ipython/master/examples/notebooks/SymPy%20Examples.ipynb

If I execute the code:

Rational(3,2)*pi + exp(I*x) / (x**2 + y)

I get output:

Out[13]: 3*pi/2 + exp(I*x)/(x**2 + y)

I want to see output in latex as shown in the link above.

Did you run all the imports include at that link?

tacaswell
– tacaswell

2013-10-19 20:38:22 +00:00
Commented Oct 19, 2013 at 20:38 — tacaswell
– tacaswell, Commented Oct 19, 2013 at 20:38
docs.sympy.org/dev/modules/…

zero323
– zero323

2013-10-19 20:38:51 +00:00
Commented Oct 19, 2013 at 20:38 — zero323
– zero323, Commented Oct 19, 2013 at 20:38

arve0 · Accepted Answer · 2017-01-31 20:05:16Z

7

An updated answer for those googlers:

from IPython.display import Math
Math('3 \cdot \\frac{\pi}{2} + e^{\\frac{I*x}{x^2 + y}}')

A bit more clumsy than SymPy, but doesn't need an extra package.

edited Jan 31, 2017 at 20:05

answered Feb 3, 2015 at 22:24

arve0

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Comments

Jakob · Accepted Answer · 2013-10-19 20:43:37Z

3

As done in the link you posted and mentioned by @tcaswell you need to "activate" the latex printing using

from sympy.interactive import printing
printing.init_printing(use_latex=True)

the use_latex=True statement is required with sympy 0.7.2 but not with 0.7.3.

answered Oct 19, 2013 at 20:43

Jakob

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1 Comment

Riina Over a year ago

The issue in my case was i had an older version of sympy, but your answer led me to checking what version i had and updating my sympy and it now works.

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