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What does the MATLAB function meshgrid do when preparing data for mesh or surf?

easy📝 Conceptual Q2 of 15
MATLAB - 3D Plotting and Visualization
What does the MATLAB function meshgrid do when preparing data for mesh or surf?
ACalculates the gradient of a matrix
BCreates coordinate matrices from vectors
CPlots 3D surfaces directly
DGenerates contour lines
Step-by-Step Solution
Solution:
  1. Step 1: Understand meshgrid's role

    meshgrid takes vectors for X and Y and creates matrices that represent grid coordinates.
  2. Step 2: Relation to mesh and surf

    These coordinate matrices are used by mesh and surf to plot surfaces over a grid.
  3. Final Answer:

    Creates coordinate matrices from vectors -> Option B
  4. Quick Check:

    meshgrid output = coordinate matrices [OK]
Quick Trick: Use meshgrid to prepare X, Y grids before plotting [OK]
Common Mistakes:
  • Thinking meshgrid plots graphs
  • Confusing meshgrid with gradient
  • Expecting meshgrid to generate surfaces

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