line calculations using its known coordinates

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Ahmed Galal il 30 Mag 2021

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Commentato: William Rose il 30 Mag 2021

Hello every one

How to calculate the angle between two lines (lines have known coordinates)

Thanks

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William Rose il 30 Mag 2021

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Suppose slope of line 1 is a1 and slope of line 2 is a2. Then angle of line 1 relative to x axis is theta1=arctan(a1) and angle of line 2 is theta2=arctan(a2). Angle between lines is theta1-theta2.

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William Rose il 30 Mag 2021

In Matlab, the arctan function is atan().

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