matlab中怎么改变标签的方向 emuch答:想要修改方向,可以使用标签中的Rotation选项,后面跟旋转的角度,具体使用可以参考下面的程序:A=[40.2,45.8,43.5,47.3,44.9,42.7,46.1,46.1,49.6,45.9,44.9,45.3]plot(A)xlabel('xLabel','Rotation',90);ylabel('yLabel','Rotation',45);title('title','Rotation',90);程序的...
matlab中指数模型函数拟合答:y=[1,0.62,0.40,0.21,0.18,0.12];xx=x(2:end);yy=y(2:end);z=log(yy)./xx;c=polyfit(xx,z,1);a=c(1)b=c(2)ny=exp(a*x.^2+b*x);plot(x,y,'r*')hold on ezplot(['exp(',num2str(a),'*x.^2+',num2str(b),'*x)'],[0 500 min(y) max(y)])xlabel...
matlab中怎么导入三个文件,用三个文件的数据画三条线在一幅图里?_百度...答:SJ2.xls'A2 = xlsread(filename);x2=A2(:,1);y2=A2(:,2);filename='SJ3.xls'A3 = xlsread(filename);x3=A3(:,1);y3=A3(:,2);2、使用plot函数,绘出每个文件中的数据图形。即 plot(x1,y1),hold on plot(x2,y2),hold on plot(x3,y3)xlabel('x');ylabel('y');