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Resource Library: Graphics
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graphics-16000.iso
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msdos
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fractal
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iterat31
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horshoe2.frm
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1993-09-30
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283b
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23 lines
;Iterate function file
;by Brent Hugh
;Window defaults
xmin=0
xmax=1
ymin=0
ymax=1.1
;Parameter defaults
a=.1
b=.9
c=2
d=1
mu=.5
;the function
y=(1-sqr(c*y-d))*(a*x+b)
x=x*(c*y-d)/2+.5
;a horseshoe map
;works only in range 0<x<1, 0<y<1