How to delete lines outside graph?

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cemsi888 2015-4-30

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https://ww2.mathworks.cn/matlabcentral/answers/214406-how-to-delete-lines-outside-graph

编辑： cemsi888 2015-5-5

compmat.png

Hi Guys!! Finally i drew my compressor map. However my Efficiency lines continue outside of map(it is really normal). I want to delete them. Do you know if there is a matlab code to delete lines outside of graph? Next question is: i added my graph as a jpeg file. There is a pink line which was diagonal drawn from 1st speedline to 4th Speed line. It is really anormal. Do you know how can i delete it or why did it occur ?

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cemsi888 2015-4-30

pink diagonal line was my mistake i solved this Problem. Before plotting compressor map , i made an Interpolation. i have expected to have my lines outside of graph. i have to delete this Points. I did not understand your sentences .' because the diagram does not contain a box' What do you mean with This sentence

cemsi888 2015-5-4