English Language & Usage Asked by v..snow on January 19, 2021
In the field of computer graphics, linear interpolation is called ‘lerp’. This is very widely used.
I’m curious about why it is called so. I know it is listed in the Jargon file. The file says it is quasi-acronym of linear interpolation but why are L, E, R, and P chosen? In the first place, is it linear interpolation? or linear interpolation? or other?
I want to know exact origin.
Multiposting: https://ja.stackoverflow.com/questions/71189
is it linear interpolation?
Yes.
IEEE TRANSACTIONS ON IMAGE PROCESSING, VOL. 13, NO. 5, MAY 2004: “Linear Interpolation Revitalized” Thierry Blu, Member, IEEE, Philippe Thévenaz, Member, IEEE, and Michael Unser, Fellow, IEEE
The dotted lines indicate the L2 interpolation error:
It is clear that
Linear Interpolation reduces to L-Interpolation, which reduces to L Interp, which reduces to Lerp.
In contrast, linear interpolation is entirely illogical and seems to be a selection of random, emphasised and unemphasised letters.
Answered by Greybeard on January 19, 2021
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