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cardioid.eka
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1992-11-03
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257b
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11 lines
; Graph of cardioid, a heart-shaped curve.
; Example of parametric plot
r(t) := 2 (COS(t) + 1) ; equation in polar coords
x(t) := r(t) COS(t) ; polar to rectangular conversion
y(t) := r(t) SIN(t)
PLOT y
XAXIS x
GBOUNDS 0, 2 PI