plot tools tick mark pi

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nathaniel sokolow
回答： Jos (10584) 2016-6-8
How can I write pi in a tick mark using plot tools? it says tick marks must be numeric when I try.

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Jos (10584)
Jos (10584) 2016-6-8
t = linspace(0,2*pi,100) ;
y = sin(t) ;
plot(t,y,'bo-') ;
set(gca,'xtick',[0:pi:2*pi]) % where to set the tick marks
set(gca,'xticklabels',{'0','\pi','2\pi'}) % give them user-defined labels

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