matlab中meshgrid函数用法
时间: 2023-05-01 20:01:20 浏览: 109
meshgrid 函数可以在矩阵中创建网格坐标。该函数的语法格式为:
[X,Y] = meshgrid(x,y)
其中 x 和 y 是向量,X 和 Y 是与 x 和 y 对应的矩阵。X 的行向量就是 x,Y 的列向量就是 y。
例如:
x = -2:2;
y = -1:3;
[X,Y] = meshgrid(x,y);
这样就得到了X,Y两个矩阵分别是由x,y所展开而来。
更多例子可以参考 Matlab 官网文档说明
相关问题
matlab中meshgrid函数用法代码示例
Sure, I can help you with that. The meshgrid function in Matlab is used to create a rectangular grid out of two given vectors. Here is an example code:
[x, y] = meshgrid(-2:0.1:2, -1:0.1:1);
z = x .* exp(-x.^2 - y.^2);
surf(x, y, z);
This code will create a 3D surface plot of a function in the x-y plane using the meshgrid function. Hope it helps! Do you have any more questions?
matlab的meshgrid函数用法
matlab中的meshgrid函数用于生成一个二维网格矩阵。它的输入可以是一个一维向量,也可以是两个一维向量。当输入为一个一维向量时,meshgrid函数会返回一个方形网格矩阵,其行数和列数都等于输入向量的长度。当输入为两个一维向量时,meshgrid函数会返回一个矩阵,其中第一行是第一个向量的复制,第一列是第二个向量的转置。这样生成的矩阵的行数等于第一个向量的长度,列数等于第二个向量的长度,可以用于绘制三维曲面图。
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