end
¸½¼þ2£ºÎÀÐÇ»ò·É´¬µØÃæ¹ì¼£Í¼Matlab³ÌÐò
load('topo.mat','topo','topomap1'); whos topo topomap1
contour(0:359,-89:90,topo,[0 0],'b') axis equal box on
set(gca,'XLim',[0 360],'YLim',[-90 90], ... 'XTick',[0 60 120 180 240 300 360], ... 'Ytick',[-90 -60 -30 0 30 60 90]); hold on
x=linspace(0,500*pi,1000); y1=58*sin(0.05*x+0.25*pi); y2=58*sin(0.05*x+0.5*pi); y3=58*sin(0.05*x+0.75*pi); y4=58*sin(0.05*x+pi);
y5=58*sin(0.05*x+1.25*pi); y6=58*sin(0.05*x+1.5*pi); y7=58*sin(0.05*x+1.75*pi); y8=58*sin(0.05*x+2*pi);
plot(x,y1,'k',x,y2,'g',x,y3,'r',x,y4,'y',x,y5,'b',x,y6,'g',x,y7,'m',x,y8,'r') hold on z1=0*x+58; z2=-z1;
plot(x,z1,'k',x,z2,'k')
¸½¼þ3£ºÔ²ÄÚ½ÓÁù±ßÐÎÈ«¸²¸ÇͼMatlab³ÌÐò load iris_dataset
net = newsom(irisInputs,[16 3]); plotsomtop(net); hold on
x=-1:0.05:16.5;
y1=0.85+1.15*sin(x);
y2=0.85+1.15*sin(x+0.25*pi); y3=0.85+1.15*sin(x+0.5*pi); y4=0.85+1.15*sin(x+0.75*pi); y5=0.85+1.15*sin(x+pi);
y6=0.85+1.15*sin(x+1.25*pi); y7=0.85+1.15*sin(x+1.5*pi); y8=0.85+1.15*sin(x+1.75*pi); z1=0*x+2; z2=0*x-0.3;
plot(x,y1,'k',x,y2,'g',x,y3,'r',x,y4,'y',x,y5,'b',x,y6,'g',x,y7,'m',x,y8,'r',x,z1,'k',x,z2,'k')
15
¸½¼þ4£ºfunction y=cekongzhan(R,H,b) b=b./180.*pi;
s1=2.*pi.*(R+H).*(1-sin(b)); s=4.*pi.*(R+H).^2; s2=s-s1; e=0.827;
r=(R+H).*sin(87./180.*pi-asin(R.*(sin(93./180.*pi))./(R+H))); s3=pi.*r.^2; s4=s3.*e;
y=s2./s4; y=ceil(y); end
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