Example of Fig 4.12
Spectrum of EOF
function [lam1, lam2]=example12 % % Spectrum for geopotential % flat = [-90 90]; flon = [0 360]; clf; [zt,ind,fcos]=readz500(flat,flon,'season','jfm','scaling','yes'); [z,sdz]=anomaly(zt,'anom'); [eof1,lam1,v,proj]=eoffast(z,ind,15,1); subplot(211) plot(lam1,'k*','markersize',5); axis([ 0 35 0 0.5]); title(' Spectrum of EOF -- Mean Subtracted','fontname','times') [z,sdz]=anomaly(zt,'none'); [eof1,lam2,v,proj]=eoffast(z,ind,15,1); subplot(212) plot(lam2,'k*','markersize',5) axis([ 0 35 0 1.2]); title(' Spectrum of EOF ','fontname','times') orient tall; print('-dpdf','-painters','-adobecset',['example12.pdf']);
Normalization anom Expanded Field No Normalization none Expanded Field ans = 0.2598 0.1703 0.1054 0.0657 0.0482 0.0427 0.0382 0.0334 0.0288 0.0251 0.0218 0.0193 0.0169 0.0156 0.0137 0.0122 0.0111 0.0092 0.0086 0.0069 0.0065 0.0063 0.0054 0.0049 0.0042 0.0036 0.0033 0.0030 0.0024 0.0022 0.0021 0.0019 0.0013 0.0000
