pk {SpherWave} | R Documentation |
This function calculates normalized Poisson kernel as a function of angle.
pk(theta, eta)
theta |
angle |
eta |
bandwidth parameter for Poisson kernel |
This function calculates normalized Poisson kernel as a function of angle.
vector of normalized Poisson kernel.
theta <- c(-100:100)/100 par(mfrow=c(1,1), pty="m", mar=c(4,4,7,1)+0.1) plot(theta, pk(theta, 0.9), type="l", xlab="angle (x pi)", ylab="SBF", xlim=c(-1, 1), ylim=c(0, 1), lab=c(9, 7, 7), cex=1) lines(theta, pk(theta, 0.7), lty=2) lines(theta, pk(theta, 0.5), lty=4) legend(0.4, 0.8, legend = c("ETA = 0.9","ETA = 0.7","ETA = 0.5"), lty=c(1,2,4), cex=0.7)