ploting problem two vectors

100 10 0 
102 11 8 
103 12 7
104 13 5
105 14 8
105 15 0
107 16 0
108 17 0

First and second column are vectors,the third is relative frequency.I have tried with contourf(x,y,z) but it does not work cause it requires matrix.How to create image?

[Azzi Abdelmalek]

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