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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Question
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.
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