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partial differential

American  

noun

Mathematics.
  1. an expression obtained from a given function of several variables by taking the partial derivative with respect to one of the variables and multiplying by the increment in that variable.


Etymology

Origin of partial differential

First recorded in 1810–20

Example Sentences

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By incorporating functional analysis and partial differential equation theory from mathematical analysis, this study extends previous investigations on two-dimensional fluid flows to encompass three-dimensional fluid dynamics with axial symmetry conditions.

From Science Daily Sep. 29, 2023

Many of Caffarelli’s most celebrated results have to do with the regularity — or lack thereof — of the solutions of so-called partial differential equations.

From Scientific American Mar. 23, 2023

“What you’re trying to figure out is things about the shape of this free boundary,” said Carlos Kenig, a mathematician at the University of Chicago who is also an expert on partial differential equations.

From New York Times Mar. 22, 2023

The sage speaking here is Anna Kiesenhofer, the Austrian mathematician specializing in partial differential equations and symplectic geometry who stunned world cycling by winning the gold in the Olympic road race on Sunday.

From Slate Jul. 29, 2021

This is known as Lagrange’s linear partial differential equation of the first order.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" by Various

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