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A problem using IDL? [message #60101] Thu, 01 May 2008 07:35
chihuyu is currently offline  chihuyu
Messages: 1
Registered: May 2008
Junior Member
I used idl to write the following:

window,xsize=800,ysize=400
min=0
max=100
n=200
x=fltarr(n+1)
for i=0,n do x[i]=min+double(i)*(max-min)/n
print,x
y=sin(2*3.141593*x)
plot,x,y

When n=100 or n=200,the graph is wrong. When n >=300,it's OK.Can
someone tell me why?

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