How can I put arrow heads on the plotted lines?

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Wiqas Ahmad
Wiqas Ahmad 2021 年 4 月 26 日
回答済み: Walter Roberson 2021 年 4 月 26 日
I want to put arrow heads on the blue lines u,v and w so that they represent as vectors.
clear all;
close all;
clc;
%%
x=linspace(0,2,50);
y=linspace(0,2,50);
z=linspace(0,2,50);
[X, Y, Z]=meshgrid(x,y,z);
Ex=sin(-2*pi*Z/2+pi);
Ey=0*X;
Ez=0*X;
[Bx, By, Bz]=curl(X, Y, Z, Ex, Ey, Ez);
for k=1:50
E(k)=mean(mean(Ex(:,:,k),1),2);
B(k)=mean(mean(Ex(:,:,k),1),2);
end
%%
hold on
plot3(0,0,0,'r','Linewidth',2);
quiver3(0*x(1:2:50),0*y(1:2:50),0*z(1:2:50),0*x(1:2:50),0*y(1:2:50),0*z(1:2:50),0,'b', 'Linewidth', 2);
hold on
plot3(x,0*y,0*z,'b','LineWidth',2);%%% plotting inner axis lines
plot3(0*x,-y,0*z,'b','LineWidth',2);
plot3(0*x,0*y,z,'b','LineWidth',2);
text(1.2,0,0,'v','FontSize', 14);%%% showing x,y,z at the axis end
text(0,-1.2,0,'w','FontSize', 14);
text(0,0,1.2,'u','FontSize', 14);
grid on
set(gca,'FontSize', 14, 'Linewidth',1);%%% controle size of the figure
xlabel('\bf x','position',[0 -1.45 -1])
ylabel('\bf y','position',[-1.45 0 -1])
zlabel('\bf z')
xlim([-1 1]);
ylim([-1 1]);
zlim([-1 1]);
Ax = gca;
Ax.XAxis.Visible = 'on';%%% turn OFF or ON the outer-axis of the box
Ax.YAxis.Visible = 'on';
Ax.ZAxis.Visible = 'on';
box off
view(3)
camup([-1 0 1]) %%%camera view can be change by changing values.
camroll(90)%%%can also rotate the camera

回答 (1 件)

Walter Roberson
Walter Roberson 2021 年 4 月 26 日
https://stackoverflow.com/questions/42623867/putting-arrows-in-a-matlab-figure-showing-orientation-of-axes

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