White Light gray Dark gray Black 0 1 2 3

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter6: Matrices And Determinants
Section: Chapter Questions
Problem 3T
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The letter L in Figure is shown using 9 pixels in a 3 x 3 grid. The colors possible in the grid are shown in Figure. Each color is represented by a specific number: 0, 1, 2, or 3.

a. Find a matrix that represents a digital photograph of this letter L.

b. Increase the contrast of the letter L by changing the dark gray to black and the light gray to white. Use matrix addition to accomplish this.

White Light gray Dark gray Black
0 1 2 3
Transcribed Image Text:White Light gray Dark gray Black 0 1 2 3
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