### Converting an image from Cartesian to Polar - Limb Darkening?

import numpy as np import cv2 from matplotlib import pyplot as plt img = cv2.imread('C:\\Users\\not my user name\\D...

### Polar equation of perimeter of half ellipse (concave mirror shape)?

var x = Cx + a * Math.cos(ang); var y = Cy + b * Math.sin(ang); Cx, Cy are cords of center. ang is angle in radian...

### Plot a heart in R [duplicate]?

This quest...

### Polar coordinate point generation function upper bound is not 2Pi for theta??

So I wrote the following function to take a frame, and polar coordinate function and to graph it out by generating t...

### How to change an image from Cartesian to Polar coordinates in Matlab??

I am trying to convert the pixels of an image from x-y coordinate to polar coordinate and I have problem with it, as...

### Cartesian to Polar (3d coordinates)?

How do you convert between Cartesian and Polar (and back) coordinate systems in 3D space? Preferably with a c# examp...

### Plot a heart in R [duplicate]?

This quest...