将箭头标注保存或导出为图像: 完成箭头标注后,你可以使用saveas函数将图形保存为文件,例如PNG格式。 matlab % 保存图形为PNG文件 saveas(gcf, 'my_plot_with_arrow.png'); 以上就是在MATLAB中进行箭头标注的详细步骤和代码示例。希望这能帮助你顺利完成箭头标注的任务。
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Yp=yp−yminymax−ymin⋅H+Y0Yp=yp−yminymax−ymin⋅H+Y0 有了这个函数,可以很方便计算出 axis 上的点在图窗的位置坐标,因此只需确定 axis 对象就可以很方便地绘制出待箭头的坐标系(具体实现见DrawAxisWithArrow.m),同时如果想在坐标上某个位置标注文字也可以利用这个函数进行坐标转换(图2中文字均...
Specify Color of Feather Plot Copy Code Copy Command Create a feather plot with red arrows. Get t = -pi/2:pi/8:pi/2; u = 10*sin(t); v = 10*cos(t); feather(u,v,'r') Specify Line Width and Color of One Arrow Copy Code Copy Command Specify the line width and color of a...
Create a 3-D quiver plot and return the quiver object. Then, remove the arrowheads and add dot markers at the base of each arrow. Get [X,Y] = meshgrid(-3:0.5:3,-3:0.5:3); Z = 0.2*(Y.^2 - X.^2); [U,V,W] = surfnorm(Z); q = quiver3(X,Y,Z,U,V,W); axis equa...
Create a 3-D quiver plot and return the quiver object. Then, remove the arrowheads and add dot markers at the base of each arrow. Get [X,Y] = meshgrid(-3:0.5:3,-3:0.5:3); Z = 0.2*(Y.^2 - X.^2); [U,V,W] = surfnorm(Z); q = quiver3(X,Y,Z,U,V,W); axis equa...
Example: plot(G,'NodeColor','k') creates a graph plot with black nodes. NodeLabel— Node labels node IDs (default) | vector | cell array of character vectors | string array Node labels, specified as the comma-separated pair consisting of 'NodeLabel' and a numeric vector, cell array of...
Disable automatic scaling so that arrow lengths are determined entirely by U and V by setting the scale argument to 0. For instance, create a grid of X and Y values using the meshgrid function. Specify the directional components using these values. Then, create a quiver plot with no ...
In this case, patch, instead of plot, is used to plot arrow heads. color 'k' color of arrows head_length_pixel 0 length of (the wing of) arrow head in units of pixelIt shares the same unit with u and v. (Thus, the vel_scale will also be applied to head_length) 0 : it is...
plot(x,y); line([2,2],[0,2^2*sin(2)]); str='$$ \int_{0}^{2} x^2\sin(x) dx $$'; text(0.25,2.5,str,'Interpreter','latex'); annotation('arrow','X',[0.32,0.5],'Y',[0.6,0.4]); 1. linspace是Matlab中的均分计算指令,用于产生x1,x2之间的N点行线性的矢量。其中x1、x...