In mathematics and physics, describing quantities or operations that change together in a specific coordinated way under transformations.
From 'co-' (together) + 'variant' (from Latin 'variare,' to change). A term from advanced mathematics used to describe systematic relationships between mathematical objects.
Einstein's theory of relativity relies heavily on covariant mathematics—the equations work the same way no matter how fast you're moving, which is why physics works the same in all reference frames.
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