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| Hi, Estevao. I have worked it out. Anyway, thank you. Here is my code. k=3; kTimes[x_] := Table[x, k]; SetAttributes[kTimes, Listable]; xx2 = kTimes[xx1]; yy2 = kTimes[yy1]; xx3 = dx[xx22]; yy3 =Transpose[dy[yy2], 3... |
| How to calculate a recursive formula with three parameters in a matrix exponentiation way? Here is a recursive formula to computer Zernike polynomials, which is refer to "Recursive formula to compute Zernike radial polynomials," Barmak Honarvar... |
| Thank you. It is forty times faster than my method. |