PLOT TWO FUNCTION IN THE SAME GRAPHIC

2012 7 24
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Hi everybody,
Another way to view two functions in the same graphic without using the command 'plot'?
Thanks a lot,
Mariana

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Walter Roberson
Walter Roberson 2012-7-24

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Yes. "hold on" works for most graphic routines. (There are some graphic routines which are defined to open their own figure.)

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Mariana
Mariana 2012-7-24
Thank you Walter,
The problem is that my first graph is generated by a little program in matlab, and i wanna add a function to that graph. I try with HOLD ON.
Mariana
Mariana 2012-7-25
编辑：Walter Roberson 2012-7-25
Walter,
I get it, but now i want to label a point.. my codes are:
>> hold on;
>> x1=-5:5;
>> x2=-2/3+2/3*x1;
>> plot(x1,x2,'Color',[.7 0 0]);
>> hold off;
If i want to label the point (4,4) what codes to write?.. Thanks for your help!
Mariana

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