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IEVref:102-05-18ID:
Language:enStatus: Standard
Term: nabla operator
Synonym1: nabla
Synonym2:
Synonym3:
Symbol:
Definition: symbolic notation expressed formally as a vector, used to denote scalar or vector differential operators operating at each point of a given space region on scalars or vectors, and which, in orthonormal Cartesian coordinates, is represented by

= e x x + e y y + e z z MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaGWabiab=DGirlabg2 da9GGadiaa+vgadaWgaaWcbaGaamiEaaqabaGcdaWcaaqaaiabgkGi 2cqaaiabgkGi2kaaykW7caWG4baaaiabgUcaRiaa+vgadaWgaaWcba GaamyEaaqabaGcdaWcaaqaaiabgkGi2cqaaiabgkGi2kaaykW7caWG 5baaaiabgUcaRiaa+vgadaWgaaWcbaGaamOEaaqabaGcdaWcaaqaai abgkGi2cqaaiabgkGi2kaaykW7caWG6baaaaaa@53A9@

where e x , e y , e z MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaGGadiaa=vgadaWgaa WcbaGaamiEaaqabaGccaqGSaGaaeiiaiaa=vgadaWgaaWcbaGaamyE aaqabaGccaqGSaGaaeiiaiaa=vgadaWgaaWcbaGaamOEaaqabaaaaa@41C2@ are unit vectors along the x, y, z axes

Note 1 to entry: It is recommended to print the symbol in boldface.


Publication date:2008-08
Source:
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Internal notes:2017-02-20: Editorial revisions in accordance with the information provided in C00019 (IEV 102) - evaluation. JGO
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