myfrenet
Calculation of Tangent (T), Normal (N) and Binormal (B) of a continuous curve at every points of the curve.
function [T N B]=myfrenet(x,y,z,init)
% "x","y",and "z" is the coordinates of the curve. The curve also can be 2d.
% "init" is initial normal vector that user can be specified. With this input, you can freely initialize your vectors.
Although the name of the function is "myfrenet", the vectors are calculated in a different way from "frenet" equations because of some discontinuities of "frenet".
Derrivatives of the curve are calculated with spline fitting, therefore spline toolbox are required. If the toolbox are not available, users can change the derrivative calculation method such as by using "diff" or "gradient" command.
% Example
clear,clc
t=2*pi*linspace(-1/2,1/2,100).';
x=cos(t); y=sin(t); z=t;
myfrenet(x,y,z)
인용 양식
Mehmet OZTURK (2024). myfrenet (https://www.mathworks.com/matlabcentral/fileexchange/22376-myfrenet), MATLAB Central File Exchange. 검색됨 .
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