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# Tag Archives: mathmatics

## Math study progress report

I’ve been taking math courses on Khan academy website for nine days straight. I definitely recommend the site for a self-learner like me who needs to study advanced mathematics. Average time to solve one set of problems gradually increase due … Continue reading

Posted in DIY, Science and technologies
Tagged khan academty, mathmatics, self learning
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## sympy – changing graph color of plot()

plot() handles color names for RGB color codes. SymPy document doesn’t explain it clearly or sample codes don’t exit. Here is another example.

## sympy – proof of the derivative of sin(x) is cos(x)

In IPython-notebook on the web browser interface, checking value of expression is simply typing the name of expression in the following line.

Posted in GNU/Linux, Python, Science and technologies
Tagged Calculus, cos(x), derivative, mathmatics, python, sin(x), SymPy
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## sympy plot function examples

Running environment is IPython Notebook in Debian Wheezy.

Posted in Python
Tagged graph, IPython notebook, mathmatics, plot function, python, rational function, ylim option
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