randv - random vectors, with constraint axis

版本 1.0.0 (2.0 KB) 作者: Carson Purnell

Generate random vectors on a unit sphere/circle/etc, and random vectors from a given axis based on cone-like constraints.

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更新时间 2023/9/13

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A bit of code that i've ended up needing to have multiple times for different reasons and got tired of rebuilding it each time. Might be useful for anyone looking for similar random vectors.

Simple use case: generating a number of random vectors, uniformly distributed on the surface of the unit shape of at least dimension 2. Trivial use of randn and vecnorm.

Complex use cases: generating random vectors based on a given axis and constrained by some set of angles. Can make rings, cones, negative cones within spheres, etc. Only works for 3-dim vectors. Useful for getting a random 'search area' cone, random walks, of getting random radial deflections.

引用格式

Carson Purnell (2024). randv - random vectors, with constraint axis (https://www.mathworks.com/matlabcentral/fileexchange/135301-randv-random-vectors-with-constraint-axis), MATLAB Central File Exchange. 检索来源 2024/8/26.