MathGroup Archive 1995

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LISTS and more LISTS


Enclosed is a little ditty I've been trying to get to work but as is
clear, it has a bug and I have no clue as to what is wrong. 

It is just supposed to extract elements out of a LIST then peform 
various operations on these elements one of which is to plot a
series of lines (or rays) starting from the point {25,5}

Clear [f,x]
x={10,8,6,5.5,5.4,5.3,5.2,5.1,5.01,5.001,5.0001,5.0001}
f[x_]=x^2
Do [Line[{{5,25},{x[[i]],f[x[[i]]]}},{i,Length [x]}]]

Clear [f,x]
x={10,8,6,5.5,5.4,5.3,5.2,5.1,5.01,5.001,5.0001,5.0001}
f[x_]=x^2
Do [Line[{{5,25},{x[[i]],f[x[[i]]]}},{i,Length [x]}]]


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