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How do you correctly initialize a 3D subplot in matplotlib?

easy📝 Syntax Q3 of 15
Matplotlib - 3D Plotting
How do you correctly initialize a 3D subplot in matplotlib?
Afig.add_subplot(111, dimension=3)
Bfig.add_subplot(111, projection='3d')
Cfig.add_subplot(3,3,1)
Dfig.add_subplot(projection='2d')
Step-by-Step Solution
Solution:

  1. Step 1: Recall matplotlib 3D syntax

    To create a 3D axis, the 'projection' parameter must be set to '3d'.

  2. Step 2: Verify options

    Only fig.add_subplot(111, projection='3d') uses the correct syntax with projection='3d'.

  3. Final Answer:

    fig.add_subplot(111, projection='3d') -> Option B

  4. Quick Check:

    Use projection='3d' to enable 3D plotting [OK]
Quick Trick: Use projection='3d' in add_subplot [OK]
Common Mistakes:
  • Using dimension=3 instead of projection='3d'
  • Confusing subplot grid parameters with projection
  • Setting projection='2d' for 3D plots

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