对数坐标曲线实例

对数坐标曲线：

clear
clc
x=0:0.1:2*pi;
y=sin(x);
subplot(2,2,1)
plot(x,y)
xlabel(\'x1\');
ylabel(\'y1\');
grid on
subplot(2,2,2)
semilogx(x,y)
xlabel(\'x2\');
ylabel(\'y2\');
grid on
subplot(2,2,3)
semilogy(x,y)
xlabel(\'x3\');
ylabel(\'y3\');
grid on
subplot(2,2,4)
loglog(x,y)
xlabel(\'x4\');
ylabel(\'y4\');
grid on