代码搜索结果

[t,x]=ode45('shier',[0 15],[25 2]); plot(t,x(:,1),'-',t,x(:,2),'*') figure(2) plot(x(:,1),x(:,2))

ezplot('sin(3*t)*cos(t)','sin(3*t)*sin(t)',[0,pi])

[x,y,z]=peaks; subplot(1,2,1) contour3(x,y,z,16,'s') grid, xlabel('x-axis'), ylabel('y-axis') zlabel('z-axis') title('contour3 of peak

[X,Y]=meshgrid(-3:.125:3); Z=peaks(X,Y); meshz(X,Y,Z)

x=linspace(0,2*pi,100); y=sin(x); z=cos(x); a=sin(x).*cos(x);b=sin(x)./(cos(x)+eps) subplot(2,2,1);plot(x,y),title('sin(x)') subplot(2,2,2);plot(x,z),title('cos(x)') subplot(2,2,3);plot(x

x=linspace(-2.5,2.5,20); y=exp(-x.*x); bar (x,y) title('bar plot of a bell crure');

fplot('tanh',[-2,2])

x=-3:0.1:3; y=1:0.1:5; [X,Y]=meshgrid(x,y); Z=(X+Y).^2; subplot(2,2,1); mesh(X,Y,Z) subplot(2,2,2);mesh(X,Y,Z);view(50,-34) subplot(2,2,3);mesh(X,Y,Z);view(-60,70)

[x,y,z]=peaks(30); surf(x,y,z) %shading flat

ezplot('exp(x)+sin(x*y)',[-2,0.5,0,2])