Useful functions for game designers - Lagrange Interpolation

In science, technology and engineering it is very common to have to interpolate between data points. One of the many ways to do this is through Lagrange interpolation. In this video I'll go through how it works and if you go to desmos.com you can follow right along.

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========== If you want to follow along ==========

Starting point: https://www.desmos.com

End Point: https://www.desmos.com/calculator/zsnqrj1xu3

========== Other videos to watch ==========

Check out my video about linear interpolation: https://www.youtube.com/watch?v=NO5JGFJJ_Kk

Or using smooth minimums: https://www.youtube.com/watch?v=YJ4iyff7zbk

Or using Hermite interpolation (smoothstep): https://www.youtube.com/watch?v=60VoL-F-jIQ ... https://www.youtube.com/watch?v=4S6G-zenbFM