If visualized correctly, the data contained in the matrix A will look like a jack-o'-lantern.
Create a function that will visualize A as an indexed color image. Make sure the orientation of the face is correct! Remove the x-ticks and y-ticks. Change the colormap so that the background (A has the value 1) is white, the facial features (A has the value 0) are black, and the face (A has the value 0.5) is orange.
Your function should return the figure handle as output.
A simple test case:
A = [1 0.5 0.5 0.5 0.5 1;
0.5 0.5 0.5 0.5 0.5 0.5;
0.5 0 0.5 0.5 0 0.5;
0.5 0.5 0.5 0.5 0.5 0.5;
0.5 0 0.5 0.5 0 0.5;
0.5 0.5 0 0 0.5 0.5;
1 0.5 0.5 0.5 0.5 1];
smileyFace(A)
Solve

Solution Stats

1008 Solutions

239 Solvers

Last Solution submitted on Jun 05, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers239

Aaron Coville shinya matsumoto MACH2 Tyler Boyce

Suggested Problems

More from this Author10

Problem Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!