11. :For something like this you will want to use polar coordinates . 12. The Euclidean analogy for this is Cartesian versus polar coordinates . 13. Some scientific calculators provide a function to convert from rectangular coordinates to polar coordinates . 14. Radially asymmetric systems may also be modeled with polar coordinates . 15. The spherical coordinate system generalises the two-dimensional polar coordinate system. 16. Figure 5 : Luminance and contrast versus viewing direction in a polar coordinate system. 17. Examples include the polar coordinate system on Euclidean plane, the second important plane coordinate system. 18. This case is used to demonstrate a derivation strategy based on a polar coordinate system. 19. Supports functions with parameters and functions in polar coordinates . 20. You can learn how to plot using polar coordinates using matplotlib's polar plot demo code.