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The Linear expression

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Mohannad Talafeeh
The Linear expression
on Oct 5, 2013 at 12:15:01 am

Hi
I'm trying to understand the difference between the linear function and the ease function in After Effects but in terms of programing , I know that the ease function works like the linear but with easing the curve with a bezier.

And I know that the formula for the linear is
Y = ( ( X - X1 )( Y2 - Y1) / ( X2 - X1) ) + Y1 (The Linear interpolation formula)

what I need is the formula for the ease function ,I need this because I'm using a software that does not have a built-in function for the linear and the ease (like After effects ), I've already did the code for the linear but I would like to get a formula for the ease.

Thanks


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