Since I have no rant control I proselytize the following graphics
software (free) for generating publication quality graphics whenever I
have a likely target -
https://galgebra.readthedocs.io/en/latest/
look at the "3D Graphs" and "WebGL" galleries. I especially like this
one (you can zoom, rotate, and translate it interactively) -
https://asymptote.sourceforge.io/gallery/3Dwebgl/Klein.html
On 4/19/22 1:48 PM, Jonathan Gutow wrote:
On Apr 19, 2022, at 12:20 PM, Alan Bromborsky <[email protected]>
wrote:
I don't think sympy can return f for the integral of (df/dx)dx
without first differentiating and then integrating.
Alan,
Yep, that is essentially the sticking point. It relates to the fact
that there is no concept of an infinitesimal in the sympy core. I am
interested in things like the total differential of f wrt multiple
variables. For example: df = (df/dx)dx + (df/dy)dy + …, where these
are partial derivatives and implicitly everything but the variable of
differentiation is held constant. I use these mostly when doing
thermodynamics, but there are other applications.
I will see if I can get time to look at what you are doing with galgebra.
Thanks,
Jonathan
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