Problem 60704. Convert RGB to Grayscale

Created by Leandro

Solve Later

Convert a 3 element RGB array to its correspoding grayscale pixel (a scalar)
*Hint: a formula exists!

Solve

Solution Stats

37 Solutions
25 Solvers

Last Solution submitted on Nov 14, 2025

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

William on 7 Aug 2024

I believe one of the paretheses is misplaced in each of the assert statements. They should be assert(abs(RGB_to_gray(x)-g) < 1e-2).

Solution Comments

Show comments

Problem Recent Solvers25

Suggested Problems

Return the 3n+1 sequence for n

8478 Solvers
Compress strings (not springs)

218 Solvers
Create a square matrix of multiples

495 Solvers
Find MPG of Lightest Cars

7464 Solvers
Find the max element of the array

2112 Solvers

More from this Author4

Sum All Positive Elements

36 Solvers
Reverse a string

21 Solvers
Diagonal Product of A Square Matrix

36 Solvers
Palindrome Checker

30 Solvers

Problem Tags

Community Treasure Hunt

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

Start Hunting!