Matplotlib - 3D Plotting
Which of the following is the correct way to create 3D axes in
matplotlib before plotting a 3D bar chart?Which of the following is the correct way to create 3D axes in matplotlib before plotting a 3D bar chart?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall how to create 3D axes in matplotlib
The common method is to create a figure and add a 3D subplot usingadd_subplot(111, projection='3d').Step 2: Check each option
ax = plt.subplot(projection='3d') usessubplotinstead ofadd_subplot, which is incorrect. ax = plt.subplots(projection='3d') returns a tuple (figure, axes), so assigning directly to ax is incorrect. ax = plt.axes3d() is not a valid matplotlib function.Final Answer:
ax = plt.figure().add_subplot(111, projection='3d') -> Option DQuick Check:
Use figure().add_subplot with projection='3d' [OK]
Quick Trick: Use figure().add_subplot(111, projection='3d') to get 3D axes [OK]
Common Mistakes:
- Using plt.subplot instead of plt.figure().add_subplot
- Trying to call non-existent plt.axes3d()
- Confusing subplots() with subplot()
Master "3D Plotting" in Matplotlib
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