mandelbrot | R Documentation |
Mandelbrot convergence counts
mandelbrot(...)
## S3 method for class 'matrix'
mandelbrot(Z, maxIter = 200L, tau = 2, ...)
## S3 method for class 'numeric'
mandelbrot(
xmid = -0.75,
ymid = 0,
side = 3,
resolution = 400L,
maxIter = 200L,
tau = 2,
...
)
Z |
A complex matrix for which convergence counts should be calculated. |
maxIter |
Maximum number of iterations per bin. |
tau |
A threshold; the radius when calling divergence (Mod(z) > tau). |
xmid , ymid , side , resolution |
Alternative specification of
the complex plane |
Returns an integer matrix (of class Mandelbrot) with non-negative counts.
The internal Mandelbrot algorithm was inspired by and adopted from similar GPL code of Martin Maechler available from ftp://stat.ethz.ch/U/maechler/R/ on 2005-02-18 (sic!).
counts <- mandelbrot(xmid = -0.75, ymid = 0, side = 3)
str(counts)
## Not run:
plot(counts)
## End(Not run)
## Not run:
demo("mandelbrot", package = "future", ask = FALSE)
## End(Not run)
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