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| wave <- function (a, R, p, w) { | |
| x <- (0.5 + 0.5*R*sin(p+w*a))*cos(a) | |
| y <- (0.5 + 0.5*R*sin(p+w*a))*sin(a) | |
| return (cbind(x,y)) | |
| } | |
| blue <- '#3F8492' | |
| red <- '#E57660' | |
| t <- seq(0, 2*pi, length.out=100) | |
| M<-0.8 | |
| plot(c(-1, 1)*M, c(-1, 1)*M, pch='', bty='n') | |
| LWD=7 | |
| pinc=2*pi/5 | |
| amp <- 0.2 | |
| lines(wave(t,amp,0,2), lwd=LWD, col=sprintf('%s%2x', blue, 1.0 * 255)) | |
| lines(wave(t,amp,pinc*1,2), lwd=LWD, col=sprintf('%s%2x', red, 1.0 * 255)) | |
| lines(wave(t,amp,pinc*2,2), lwd=LWD, col=sprintf('%s%2x', blue, 0.8 * 255)) | |
| lines(wave(t,amp,pinc*3,2), lwd=LWD, col=sprintf('%s%2x', red, 0.8 * 255)) | |
| lines(wave(t,amp,pinc*4,2), lwd=LWD, col=sprintf('%s%2x', blue, 0.6 * 255)) |
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