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| 1 | (* This graph shows the use of y_epts to get error bars onto the graph.
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| 2 | It plots the curve y = 2x plus or minus x/2 for integer x values
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| 3 | from from 1 to 10 *)
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| 4 |
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| 5 | newgraph
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| 6 | xaxis min 0 max 10 label : x
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| 7 | yaxis min 0 max 25 label : y = 2x +- x/2
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| 8 |
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| 9 | newcurve marktype circle linetype dotted
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| 10 | (* These points could equally be generated by:
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| 11 | y_epts shell : echo "" |\
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| 12 | awk '{ for (i = 1; i < 11; i++) print i, 2*i, 2*i-i/2.0, 2*i+i/2.0}'
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| 13 | *)
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| 14 | y_epts
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| 15 | 1 2 1.5 2.5
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| 16 | 2 4 3 5
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| 17 | 3 6 4.5 7.5
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| 18 | 4 8 6 10
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| 19 | 5 10 7.5 12.5
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| 20 | 6 12 9 15
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| 21 | 7 14 10.5 17.5
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| 22 | 8 16 12 20
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| 23 | 9 18 13.5 22.5
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| 24 | 10 20 15 25
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