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Arrow and plots [message #80174]

Sun, 13 May 2012 11:08

zolile mtumela
Messages: 50
Registered: September 2011

Member

Dear all,
I am looking for an assistance on this kind of problem

x=[10,20,30,40,50,60,70,80,90,100,110,120]
y=[0.21,0.22,0.21,0.18,0.14,0.15,0.21,0.26,0.26,0.24,0.19,0. 185]
z=[-60,-35,-10,15,48,105,145,180,195,225,250,275]

plot,x,y,/nodata,yrange=[-2,5],xrange=[0,140]

arrow,x,y,x,z/data

I need a suggestions please, I want to make a vector arrow for y and
make a angle using z and make another vector arrow to form something
like an acute angle depending to the angle display in z.

Thank you very much for your time
Zolile

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