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

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

[Star Strider]

Use the green and brown picture icon to attach your .png file.

[tina jain]

done....

Answer 1

[Star Strider]

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.