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Raspberry Pi 的代码
ex1206.m
A=[1 -2 2 -1];
B=[1 1];
[r,p,k]=residue(B,A)
p1=abs(p')
a1=angle(p')/pi
figure0501.m
x=0:pi/30:2*pi;
y1=sin(x);
y2=sin(x+pi/2);
plot(x,y1,'r:',x,y2,'m+')
figure0410.m
x='t*cos(t)';
y='t*sin(t)';
ezplot(x,y,[0,4*pi]);
figure0411.m
x='sin(3*t)*cos(t)';
y='sin(3*t)*sin(t)';
ezplot(x,y,[0,pi],8);
panbie3.m
function y=panbie(x)
p=x(1);
n=x(2);
pi=x(3);
ni=x(4);
y=2*p*pi/(ni-1)/(ni)-(n)*pi^2*(2*ni-1)/(ni-1)^2/(ni)^2;
panbie.m
function y=panbie(x)
p=x(1);
n=x(2);
pi=x(3);
ni=x(4);
y=2*p*pi/ni/(ni+1)-(n+1)*pi^2*(2*ni+1)/ni^2/(ni+1)^2;
panbie1.m
function y=panbie1(x)
p=x(1);
n=x(2);
pi=x(3);
ni=x(4);
y=-2*(n+1)*pi/p/ni+2*(n+1)*pi/p/(ni+1)+(n+1)^2*pi^2/p^2/ni^2-(n+1)^2*pi^2/p^2/(ni+1)^2;
e0802.m
t=-2*pi:0.01:2*pi;
y=sin(t);
plot(t,y)
e0609.m
x=-2*pi:0.1:2*pi;r=3*(1+cos(x));polar(x,r)
ex5_2.m
t=0:0.1:2*pi;
x=t.*sin(3*t);
y=t.*sin(t).*sin(t);
plot(x,y);