https://la.mathworks.com/help/matlab/ref/pol2cart.html
pol2cart - Transform polar or cylindrical coordinates to Cartesian - MATLAB
This MATLAB function transforms corresponding elements of the polar coordinate arrays theta and rho to two-dimensional Cartesian, or xy, coordinates.
cylindrical coordinatestransformpolarcartesianmatlab
https://eng.libretexts.org/Bookshelves/Civil_Engineering/All_Things_Flow_-_Fluid_Mechanics_for_the_Natural_Sciences_(Smyth)/20%3A_Appendix_I-_Vector_Operations_in_Curvilinear_Coordinates/20.01%3A_I.1_Cylindrical_coordinates
20.1: I.1 Cylindrical coordinates - Engineering LibreTexts
cylindrical coordinatesengineeringlibretexts
https://tutorial.math.lamar.edu/Classes/CalcII/CylindricalCoords.aspx
Calculus II - Cylindrical Coordinates
In this section we will define the cylindrical coordinate system, an alternate coordinate system for the three dimensional coordinate system. As we will see...
calculus iicylindricalcoordinates