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February 14, 2013


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For an alternate parameterization (with a more pointy bottom) see my Valentine to my spouse. I also include some math-geeky phrases of affection, such as "You are more beautiful than Euler's identity!"

Saw this great solution on Stackoverflow: http://stackoverflow.com/questions/8082429/plot-a-heart-in-r

dat<- data.frame(t=seq(0, 2*pi, by=0.1) )
xhrt <- function(t) 16*sin(t)^3
yhrt <- function(t) 13*cos(t)-5*cos(2*t)-2*cos(3*t)-cos(4*t)
plot(y ~ x, data=dat, type="l", bty="n", xaxt="n", yaxt="n", ann=FALSE)
with(dat, polygon(x,y, col="hotpink"))
points(c(10,-10, -15, 15), c(-10, -10, 10, 10), pch=169, font=5)

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