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What will be the output of the following MATLAB code?

medium📝 Predict Output Q4 of 15
MATLAB - 3D Plotting and Visualization
What will be the output of the following MATLAB code?
imagesc(peaks(5));
colormap(parula);
colorbar;
AA 5x5 colored surface plot with a parula color scale and a colorbar
BA grayscale image with no colorbar
CAn error because parula is not a valid colormap
DA plot with default colormap and no colorbar
Step-by-Step Solution
Solution:
  1. Step 1: Analyze imagesc with peaks(5)

    imagesc displays a 5x5 matrix as a colored image.
  2. Step 2: Apply colormap and colorbar

    colormap(parula) sets colors; colorbar adds the scale.
  3. Final Answer:

    A 5x5 colored surface plot with a parula color scale and a colorbar -> Option A
  4. Quick Check:

    imagesc + parula + colorbar = colored plot with scale [OK]
Quick Trick: imagesc + colormap + colorbar shows colored data with scale [OK]
Common Mistakes:
  • Thinking parula is invalid
  • Expecting grayscale without colormap
  • Missing colorbar in output

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