Feedback on GSoC Proposal

[Mikayla Z. Grace]

I have a first draft of my Google Summer of Code project proposal about vector coordinate systems, and I would love to get some feedback and suggestions about it to make it stronger! Here's the link:
https://github.com/sympy/sympy/wiki/GSoC-2017--Mikayla-Z.-Grace:-Extend-Implementation-of-Different-Vector-Coordinate-Systems-to-Vector-Functions

[Arif Ahmed]

I'm just a student contributer, but I'd say one way to make your proposal stronger is to write down a rough prototype of the different coordinate classes you've mentioned.

[Jason Moore]

Mikayla,

Have a look at this proposal from last year:

https://github.com/sympy/sympy/wiki/GSoC-2016-Application-Sampad-Kumar-Saha:-Singularity-Functions

It is a very well designed proposal. Compare yours to it and I think you'll see a number of improvements you can make.

I also agree with Arif's comment.

Jason
moorepants.info
+01 530-601-9791

On Mon, Mar 27, 2017 at 8:37 PM, Mikayla Z. Grace <mikayla...@gmail.com> wrote:

I have a first draft of my Google Summer of Code project proposal about vector coordinate systems, and I would love to get some feedback and suggestions about it to make it stronger! Here's the link:
https://github.com/sympy/sympy/wiki/GSoC-2017--Mikayla-Z.-Grace:-Extend-Implementation-of-Different-Vector-Coordinate-Systems-to-Vector-Functions

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[Mikayla Z. Grace]

Arif, thank you!  I agree that would strengthen it a lot.

Jason, thank you as well!  I will take a look at the proposal you sent-- that's very helpful.

[Alan Bromborsky]

I cannot emphasize too strongly to understand the wikipedia article on orthogonal coordinates in 3 dimensions.

https://en.wikipedia.org/wiki/Orthogonal_coordinates#Differential_operators_in_three_dimensions

There are only 12 possible orthogonal coordinate systems.  The formulas given cover all of the orthogonal coordinate systems.  The only problem in treating all of the coordinate systems is when the functions contain the square roots of symbolic expressions since (as far as I know) you cannot specify whether an expression (I know you can do it for symbol) is positive or negative.  I would create a general class that includes any of the orthogonal coordinate systems perhaps specified by the  functions.

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[Mikayla Z. Grace]

Changed the link, so here is the new link to the proposal:

https://github.com/sympy/sympy/wiki/GSoC-2017-Application-Mikayla-Z.-Grace:-Extend-Implementation-of-Different-Vector-Coordinate-Systems-to-Vector-Functions

On Monday, March 27, 2017 at 11:37:07 PM UTC-4, Mikayla Z. Grace wrote: