draw function more understandable

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valerio
valerio 2013-10-20
评论： Walter Roberson 2013-10-21
Hallo,I'm solving an exercise(with matlab)that consist in a discussion of a function in a range. When I watch the graph,I've problem to determine the domain and roots becouse the function is too much near the axis. What command I must use to draw the graph more understandable ??
  1 个评论
Image Analyst
Image Analyst 2013-10-20
I have no idea what you're asking, so all I can say is to use the plot() command. Or fiddle around with xlim() and ylim(). Attach some screenshots to illustrate your situation.

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回答（2 个）

Youssef Khmou
Youssef Khmou 2013-10-21
you can adjust the axis property to zoom in :
% x,y
axis([x(1) x(end) y(1) y(end)])
valerio
valerio 2013-10-21
But for example, please watch the image attached , this is the range: [-5 5]. How you do to understand in a convenient way if the function is on the x axis or just more near??

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