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What will be the effect of this code snippet?

medium📝 Predict Output Q4 of 15
Matplotlib - Performance and Large Data

What will be the effect of this code snippet?

import matplotlib.pyplot as plt
import numpy as np
x = np.linspace(0, 10, 10000)
y = np.sin(x)
plt.plot(x, y, downsample='min')
plt.show()
APlot will render faster by plotting fewer points using minimum value in intervals
BPlot will show all 10,000 points without any change
CPlot will raise an error because 'min' is not a valid method
DPlot will use maximum values instead of minimum
Step-by-Step Solution
Solution:
  1. Step 1: Understand 'min' downsampling method

    The 'min' method selects minimum y-values in intervals to reduce points.
  2. Step 2: Effect on rendering

    This reduces points plotted, speeding up rendering while preserving important features.
  3. Final Answer:

    Plot will render faster by plotting fewer points using minimum value in intervals -> Option A
  4. Quick Check:

    Downsample 'min' reduces points using minimum values [OK]
Quick Trick: Downsample 'min' picks minimum points to speed plot [OK]
Common Mistakes:
  • Assuming no change in points plotted
  • Thinking 'min' causes error
  • Confusing 'min' with 'max'

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