If we think about this algebraically, what we really want to do is express the input pixel as the weighted sum of palette colours. This is nothing more than a linear combination of palette colours with weights :
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US says it supports Pakistan's 'right to defend itself' against Afghan Taliban
Those efforts also will impact the U.S. space agency's timeline for the future Artemis missions, moving up the revised Artemis III flight to the middle of 2027, which could make way for Artemis IV and Artemis V at the beginning and end of 2028. Under the new direction, Artemis IV would be the first mission to put astronaut boots on the lunar surface.
Wonder who that could be?