how to mention function on plot?

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rising falcon 2015-10-11

评论： Star Strider 2015-10-12

x=-pi:pi
y1=sin(x)
y2=cos(x)
plot(x,y1,x,y2)

how can we mention sin and cosine function on plot?

Star Strider 2015-10-11

One option is to use the legend function:

x=-pi:0.1:pi;
y1=sin(x);
y2=cos(x);
plot(x,y1,x,y2)
legend('sin(x)', 'cos(x)', 'Location','NW')

There are other options using the text function if you want to display different text labels.

rising falcon 2015-10-12

thank you.this is helpfull answer

Star Strider 2015-10-12

My pleasure.

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