Ease of entering complex numbers and argand planes

[Shlokatadistance]

The current methods of input of complex numbers is rather primitive in its approach according to my usage, one types the entire argument for the real and imaginary parts, especially when matrixes are considered. Instead, if we simply define a function complex() which takes in input by the split() mechanism of python, with the first input being real and second imaginary, I think it will greatly help.

Also, instead of specifying each and every parameter for argand plane, it can again be replaced by a function which simply takes in the input, and you can choose a scale for the axes, along with the coloraturas, I do understand line_plot() exists, but improvisation is always welcome

Component: number fields

Issue created by migration from https://trac.sagemath.org/ticket/29377

[mkoeppe]

comment:1

Batch modifying tickets that will likely not be ready for 9.1, based on a review of the ticket title, branch/review status, and last modification date.

[mkoeppe]

comment:2

This needs a clearer description with examples