Grayscale image: Difference between revisions

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{{FormulaeEntry|page=https://formulae.org/?script=examples/Grayscale_image}}
 
'''Solution'''
 
Note the use of the dot product in the calculation of the gray level.
 
[[File:Fōrmulæ - Grayscale image 01.png]]
 
'''Test case'''
 
[[File:Fōrmulæ - Grayscale image 02.png]]
 
[[File:Fōrmulæ - Grayscale image 03.png]]
 
=={{header|FreeBASIC}}==
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