How Can I Convert a 2D Plot to a 3D Plot in MATLAB?

[adnan jahan]

Dear Friends

I have made 2D plot in MATLAB and want to convert it in 3D can you give me any suggestions please.

if
s=x^2+y^3
x=linspace(0,2);
plot(y,s,'b')
this gives the plot of 2D
I want to make it in 3D for any value of z axis(-1 to 1)
what changes i have to do ?

 

[Dr Transport]

plot3 is the function you want, set the z component equal to the value you want.

 

[adnan jahan]

not formed ,,,hmmmm
the case is,,, I have equation of two variables,,
simply
x=linspace(0,1)
y=x^2
plot(x,y,'b')
now I want to convert this parabolic in 3D
x=linspace(0,1)
z=-1:0.1:1;
y=x^2
plot3(x,y,z)
but not working it gives
? Error using ==> mpower
Matrix must be square.

 

[adnan jahan]

I tried what you said for different example work but I need graph as in attachment,

 

[alphy]

Hello there,

To make a 3D plot in MATLAB, you can use the "plot3" function. This function takes in three inputs - the x, y, and z coordinates of the data points. In your case, you can use the "meshgrid" function to create a grid of x and y values, and then calculate the corresponding z values using your equation s=x^2+y^3. Here is an example code:

[x,y] = meshgrid(linspace(0,2), linspace(-1,1)); % create grid of x and y values
z = x.^2 + y.^3; % calculate z values using your equation
plot3(x,y,z,'b'); % plot the 3D graph with blue color

You can also use the "surf" function to create a surface plot, or the "scatter3" function to create a scatter plot in 3D. I hope this helps! Let me know if you have any further questions.