Duality

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Notion

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Science and technology

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What Wikipedia says

In mathematical optimization theory, duality or the duality principle is the principle that optimization problems may be viewed from either of two perspectives, the primal problem or the dual problem. If the primal is a minimization problem then the dual is a maximization problem (and vice versa).

Excerpt from the Wikipedia article “Duality (optimization)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia