matlab画图描点我的matlab中有很多散点,我想将它一个一个点标注出来,m=importdata('a.txt');x=m(:,1);y=m(:,2);n=importdata('jijie.txt');x1=n(:,1);y1=n(:,2);f=importdata('tedai.txt');x2=f(:,1);y2=f(:,2);plot(x,y,'.r',x2,y2,'ob')hold
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![matlab画图描点我的matlab中有很多散点,我想将它一个一个点标注出来,m=importdata('a.txt');x=m(:,1);y=m(:,2);n=importdata('jijie.txt');x1=n(:,1);y1=n(:,2);f=importdata('tedai.txt');x2=f(:,1);y2=f(:,2);plot(x,y,'.r',x2,y2,'ob')hold](/uploads/image/z/9478749-21-9.jpg?t=matlab%E7%94%BB%E5%9B%BE%E6%8F%8F%E7%82%B9%E6%88%91%E7%9A%84matlab%E4%B8%AD%E6%9C%89%E5%BE%88%E5%A4%9A%E6%95%A3%E7%82%B9%2C%E6%88%91%E6%83%B3%E5%B0%86%E5%AE%83%E4%B8%80%E4%B8%AA%E4%B8%80%E4%B8%AA%E7%82%B9%E6%A0%87%E6%B3%A8%E5%87%BA%E6%9D%A5%2Cm%3Dimportdata%28%27a.txt%27%29%3Bx%3Dm%28%3A%2C1%29%3By%3Dm%28%3A%2C2%29%3Bn%3Dimportdata%28%27jijie.txt%27%29%3Bx1%3Dn%28%3A%2C1%29%3By1%3Dn%28%3A%2C2%29%3Bf%3Dimportdata%28%27tedai.txt%27%29%3Bx2%3Df%28%3A%2C1%29%3By2%3Df%28%3A%2C2%29%3Bplot%28x%2Cy%2C%27.r%27%2Cx2%2Cy2%2C%27ob%27%29hold)
matlab画图描点我的matlab中有很多散点,我想将它一个一个点标注出来,m=importdata('a.txt');x=m(:,1);y=m(:,2);n=importdata('jijie.txt');x1=n(:,1);y1=n(:,2);f=importdata('tedai.txt');x2=f(:,1);y2=f(:,2);plot(x,y,'.r',x2,y2,'ob')hold
matlab画图描点
我的matlab中有很多散点,我想将它一个一个点标注出来,
m=importdata('a.txt');
x=m(:,1);
y=m(:,2);
n=importdata('jijie.txt');
x1=n(:,1);
y1=n(:,2);
f=importdata('tedai.txt');
x2=f(:,1);
y2=f(:,2);
plot(x,y,'.r',x2,y2,'ob')
hold on
plot(x1,y1,'*g')
n1=length(x);
n3=length(x1);
n5=length(x2);
syms i j k;
for i=1:n1,text(x(i),y(i),a(i),'fonsize',9);
end
for j=1:n3,text(x1(j),y1(j),m(j),'fonsize',9);
end
for k=1:n5,text(x2(k),y2(k),b(k),'fonsize',9);
end
这是我i运行程序的代码,但是一到标注点就报错
matlab画图描点我的matlab中有很多散点,我想将它一个一个点标注出来,m=importdata('a.txt');x=m(:,1);y=m(:,2);n=importdata('jijie.txt');x1=n(:,1);y1=n(:,2);f=importdata('tedai.txt');x2=f(:,1);y2=f(:,2);plot(x,y,'.r',x2,y2,'ob')hold
首先,在你的三个标注文字命令中,前文没有相关标注文字,比如
text(x(i),y(i),a(i),'fonsize',9) ——其中a(i)在何处?
text(x2(k),y2(k),b(k),'fonsize',9)——其中b(k)在何处?
text(x1(j),y1(j),m(j),'fonsize',9)——前文交代m是矩阵,m(j)就引用错误.
然后,请参考下述语句标注:
m=rand(5,3);
x=m(:,1);
y=m(:,2);
a=m(:,3);
plot(x,y,'*g')
text(x,y,num2str(a),'fontsize',9)
%x,y,a等长,无需循环.