I have 2D plot,how shall I make it look like a 3D like a view from top.

subplot(2,1,1);
x = linspace(0,10);
y1 = sin(x);
plot(x,y1)

subplot(2,1,2); 
y2 = sin(5*x);
plot(x,y2)

How to to make these 2 plots comes one after another with a view from top.

The code generates 2 subplots along XY direction,how shall I rotate it to view from top like a spectrum case.I know have to include Z,but what is the basis for Z ( like saying amplitude vs time what's Z that time) to make it plot3()

Answer 1

[Ameer Hamza]

Are you trying to get something like this

f = figure();
ax = axes();
hold(ax);
view(ax, 3);
grid(ax, 'on');

x = linspace(0, 10);
y1 = sin(x);
y2 = sin(5*x);

plot3(x, y1, 1*ones(size(x)));
plot3(x, y2, 2*ones(size(x)));

[Ramesh Bala]

Thank you for the response Hamza ,but i looking like this

[Walter Roberson]

https://www.mathworks.com/help/matlab/ref/waterfall.html

[Ramesh Bala]

Thanks Walter,

Is it something like this to determing Z ?but it shows dimension error eventhough they are of equal dimensions??

x = linspace(0,20,100);

y = sin(x);

Z = 1:length(x);

figure

waterfall(x,y,Z)

[Ameer Hamza]

Try this

f = figure();
ax = axes();
hold(ax);
view(ax, 3);
grid(ax, 'on');
xlim([0 10]);
ylim([0 5]);
zlim([-4 4])

x = linspace(0, 10);
z1 = sin(x);
z2 = 2*sin(3*x);
z3 = 3*sin(5*x);
z4 = 4*sin(7*x);

plot3(x, 1*ones(size(x)), z1);
plot3(x, 2*ones(size(x)), z2);
plot3(x, 3*ones(size(x)), z3);
plot3(x, 4*ones(size(x)), z4);

[Ameer Hamza]

For waterfall()

f = figure();
ax = axes();
hold(ax);
view(ax, 3);
grid(ax, 'on');
xlim([0 10]);
ylim([0 5]);
zlim([-4 4])

x = linspace(0, 10);
z1 = sin(x);
z2 = 2*sin(3*x);
z3 = 3*sin(5*x);
z4 = 4*sin(7*x);

waterfall(x, [1 2 3 4], [z1; z2; z3; z4])

[Ramesh Bala]

Thank you ,lemme try to check it