Grayscale image: Difference between revisions
→{{header|Fōrmulæ}}
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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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