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differential operator

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noun Mathematics.
a function, usually expressed as a polynomial, that indicates linear combinations of the derivatives of the expression on which it operates.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, Β© Random House, Inc. 2023

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British Dictionary definitions for differential operator

differential operator

noun
any operator involving differentiation, such as the mathematical operator del βˆ‡, used in vector analysis, where βˆ‡ = i βˆ‚/βˆ‚ x + j βˆ‚/βˆ‚ y + k βˆ‚/βˆ‚ z, i, j, and k being unit vectors and βˆ‚/βˆ‚ x, βˆ‚/βˆ‚ y, and βˆ‚/βˆ‚ z the partial derivatives of a function in x, y, and z
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition Β© William Collins Sons & Co. Ltd. 1979, 1986 Β© HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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