snell3d

Version 1.2.1 (1.35 KB) by Duijnhouwer
Refraction of light at a surface in 3D vector form
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Updated 1 Oct 2020

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Implementation of tutorial found on
http://starkeffects.com/snells-law-vector.shtml

s2 = snell3d(n1,n2,s1,N)
n1,n2: refractive indexes of first medium and surface respectively
s1: incident ray vector (xyz vector, will be normalized and made column)
N: surface normal (xyz vector, will be normalized and made column)
s2: refracted ray (normalized xyz vector)

Cite As

Duijnhouwer (2024). snell3d (https://www.mathworks.com/matlabcentral/fileexchange/80422-snell3d), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2020a
Compatible with R2019b and later releases
Platform Compatibility
Windows macOS Linux

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Version Published Release Notes
1.2.1

added icon
1.2.0

Fixed bug where function relied on idiosyncratic normalize function that happened to reside on my path!
1.1.0

Made sure vector 2-norm is used for normalization
1.0.1

Examples in help

1.0.0