How to know about the co-ordinates of a point in a MATLAB plot

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tina jain
tina jain 2015-5-26
编辑： Walter Roberson 2015-5-26
how to know about the value of intersection point .
Let it be blue line, now I want to know the value at y when value of x is 0.025

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Star Strider
Star Strider 2015-5-26
编辑：Star Strider 2015-5-26
Use the interp1 function:
yi = interp1(x, y, 0.025, 'linear','extrap');
assuming that ‘x’ and ‘y’ are the data that define your blue line, ‘yi’ will be the value of ‘y’ where x=0.025.

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