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use to find the divergence of complex number for mandelbrot set
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| import matplotlib.pyplot as plt | |
| import numpy as np | |
| def get_iter(c:complex, thresh:int =4, max_steps:int =25) -> int: | |
| # Z_(n) = (Z_(n-1))^2 + c | |
| # Z_(0) = c | |
| z=c | |
| i=1 | |
| while i<max_steps and (z*z.conjugate()).real<thresh: | |
| z=z*z +c | |
| i+=1 | |
| return i |
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