matlab生成点云

合集 - matlab(21)

1.matlab生成点云2023-04-28

2.matlab判断一行元素是否在其一个矩阵集中2023-06-263.matlab计算数组向量夹角和欧式距离2023-06-274.用先验获取知识的代码2023-06-285.获取除特定列的其他列的所有内容2023-06-286.matlab每列乘以相同值，并进行矩阵相减2023-07-027.matlab将3个向量变为相互正交2023-07-028.matlab2023-07-099.matlab获得矩阵列的模2023-07-1010.matlab画直方图，显示柱状图数值和2023-07-1011.计算角度2023-07-1112.matlab创建字符矩阵2023-07-1913.四舍五入判断是否存在重复行2023-07-1914.三维摊平到二维2023-07-2815.matlab去除重复行2023-07-2816.matlab的3维图片的尺寸2023-07-3017.matlab做施密特正交2023-07-3018.matlab用逻辑值去除数据2023-08-1519.matlab创建空数组不断插入2023-08-1720.matlab去除特定列2023-10-1821.检测表达2023-10-19

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clc;clear all;close all;
N = 1000; % # Number of points
V = [-10, 0; 0, 10; 10, 0]; % # Triangle vertices, pairs of (x, y)
t = sqrt(rand(N, 1));
s = rand(N, 1);
P = (1 - t) * V(1, :) + bsxfun(@times, ((1 - s) * V(2, :) + s * V(3, :)), t);

u = mean(P,1); %equivalent to u = Ud' * r_m
w1=repmat( sum( P .* repmat(u,[N 1]) ) ,[N 1])
scatter(P(:, 1), P(:, 2), '.')
P = P./ repmat( sum( P .* repmat(u,[N 1]) ) ,[N 1]);%d是终端数,x./的话应该是缩放。

scatter(P(:, 1), P(:, 2), '.')