Mandelbrot set: Difference between revisions
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==={{header|DEC BASIC-PLUS}}===
Works under RSTS/E v7.0 on the [[wp:SIMH|simh]] PDP-11 emulator. For installation procedures for RSTS/E, see [http://www.eecis.udel.edu/~mader/delta/downloadrsts.html here].
<
20 I1=-1.0\I2=1.0\R1=-2.0\R2=1.0
30 S1=(R2-R1)/X1\S2=(I2-I1)/Y1
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Implementation in Google Dart works on http://try.dartlang.org/ (as of 10/18/2011) since the language is very new, it may break in the future.
The implementation uses a incomplete Complex class supporting operator overloading.
<
double _r,_i;
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[https://easylang.online/apps/mandelbrot.html Run it]
<
cy = (y0 - 150) / 120
for x0 range 300
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=={{header|Maple}}==
<
=={{header|Mathematica}} / {{header|Wolfram Language}}==
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uBasic does not support floating point calculations, so fixed point arithmetic is used, with Value 10000 representing 1.0. The Mandelbrot image is drawn using ASCII characters 1-9 to show number of iterations. Iteration count 10 or more is represented with '@'. To compensate the aspect ratio of
the font, step sizes in x and y directions are different.
<
B = 15000 ' Right Edge = 1.5
C = 15000 ' Top Edge = 1.5
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