MATLAB - 3D Plotting and Visualization
What will be the result of the following MATLAB code?
X = 1:3; Y = 1:3; [X, Y] = meshgrid(X, Y); Z = X.^2 + Y.^2; mesh(X, Y, Z);
What will be the result of the following MATLAB code?
medium📝 Predict Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Understand meshgrid and Z calculation
meshgridcreates matrices X and Y for grid points. Z is calculated as sum of squares, forming a paraboloid shape.Step 2: Understand mesh plotting
meshplots a wireframe 3D surface of Z over X and Y, showing the paraboloid shape as a grid.Final Answer:
A 3D wireframe surface showing a paraboloid shape. -> Option DQuick Check:
meshgrid + paraboloid + mesh = wireframe paraboloid [OK]
Quick Trick: meshgrid creates grids; mesh plots wireframe surface [OK]
Common Mistakes:
- Thinking mesh creates colored surface
- Assuming meshgrid returns vectors, not matrices
- Expecting 2D plot instead of 3D
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