16-May-2025 11:11:53

vpa_test():
  MATLAB/Octave version 6.4.0.
  Use the Symbolic package for high precision calculations.

agm_pi_test()
  agm_pi() computes the value of pi using the 
  arithmetic-geometric-mean approach.

  Request PI to 10, 20, 40, 80 digits.

  Digits   PI:

Symbolic pkg v3.2.1: Python communication link active, SymPy v1.9.
p = (sym) 3.141592654
p = (sym) 3.1415926535897932385
p = (sym) 3.141592653589793238462643383279502884197
p = (sym)

  3.1415926535897932384626433832795028841971693993751058209749445923078164062862
  090


  How long does it take to compute PI to D digits?

          Digits    Seconds

   1           2        0.174448
   2           4         0.24784
   3           8        0.321897
   4          16        0.396761
   5          32        0.467056
   6          64        0.541836
   7         128        0.613826
   8         256        0.698054
   9         512         0.79404
  10        1024        0.898263
  11        2048         1.05757