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You want to create an interactive plot where a slider controls the frequency of a sine wave animation. Which steps should you combine to achieve this?

hard📝 Application Q8 of 15
Matplotlib - Animations
You want to create an interactive plot where a slider controls the frequency of a sine wave animation. Which steps should you combine to achieve this?
ASet the frequency as a fixed variable and redraw the plot without widgets.
BUse a Button widget to start the animation, and update frequency inside the button callback.
CCreate a Slider widget, define an update function that changes the sine wave frequency, connect slider to update, and redraw plot.
DUse RadioButtons to select frequency values and update the plot on selection.
Step-by-Step Solution
Solution:
  1. Step 1: Use Slider to control numeric frequency

    Slider allows dynamic frequency adjustment by user.
  2. Step 2: Define update function to change sine wave frequency and redraw

    Update function modifies data and refreshes plot on slider change.
  3. Step 3: Connect slider to update function

    Use slider.on_changed(update) to link interaction.
  4. Final Answer:

    Create a Slider widget, define an update function that changes the sine wave frequency, connect slider to update, and redraw plot. -> Option C
  5. Quick Check:

    Slider + update + redraw = A [OK]
Quick Trick: Slider controls parameter, update function redraws plot [OK]
Common Mistakes:
  • Using Button instead of Slider
  • Not connecting slider to update
  • Fixing frequency without interaction

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