สามเหลี่ยม Sierpinski (MyMaths47)

ATHSTHE MAGAZINE OF MATHEMATICS December2008, VOL.4 NO. 11 |SSUE4T

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hold onl

for n : 115000

dice : rand(l)

if dice<1/3

dot : (x seed)/2+seed

elseif dice>2/3

doi : (z seed)/2+s€edi

else dot = (y-seed)/2+sed!

plot(doi(1) dot(2),'.')i

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a = [50*cosd(30)io].b': [100*cosd(30)i50*sind(30)]ic : [100*cosd(30),50+50*sind(30)];d = I50*cosd(30);50+100*sind(30)lie : [0i50+50*sind(30)]if: [0i50*sind(30)]iseed : rmd(2,1)*100,

for D : 1:5000

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seed : rand(2,1)*100i

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40 MY MATHS DEmbef 2oo3

dice : rmd(l),

iJ dicc<t/6

dot : 2*(a-seed)/3+s.cdi

erseif (dice>1/6) L (dice<2/6)

dot : 2+(b seed)/3+seed;

clseif (dice>2/6) & (dicc<3/6 )doi : 2*(c se€d)/3 + seed,

elseif (dice>3/6) & (dice<a/6 )dot : 2*(d-seed)/3+seed,

elseif (dice>4/6) & (dice<5/6 )dot : 2*(e s€€d)/3 +seed;

elseif (dice>5/6)

dot : 2*(f seed)/3+seed;

plot(dot(1) dot(2),r.),

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MY MATHS D-".h., roffi 4l