null vector

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null vector [′nəl ′vek·tər]

(mathematics)

A vector whose invariant length, that is, the sum over the coordinates of the vector space of the product of its covariant component and contravariant component, is equal to zero.

(relativity)

In special relativity, a four vector whose spatial part in any Lorentz frame has a magnitude equal to the speed of light multiplied by its time part in that frame; a special case of the mathematics definition.

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No references found			0] if and only if, p = [theta], where [theta] is the null vector in V; (N2) [v. [tau]-Product of D-compact sets in probabilistic normed spaces by Alimohammady, M.; Pourmoslemi, A.R. / International Journal of Computational and Applied Mathematics When evaluated in the neighborhood of zero factor taxes, the vector f is a null vector, so that: df[prime]D(w)dv = df[prime]D(w)[E. Tax policy and endogenous factor supply in a small open economy by Waschik, Robert G. / Southern Economic Journal			Nukualofa Nukula Nukus null null allele null cell null character null cone null detection null detector null geodesic null hypothesis Null Indicator null matrix Null Method null modem null modem cable null pointer null reference system null sequence null set null space null string null surface null value null vector null-balance recorder null-current circuit null-current measurement null-terminated multibyte string Nullarbor Nullarbor Plain nullary nullary composition nullification Nullification of Elections nulling nulling interferometry Nullisomy nullity nullity of marriage Num Lock NUMA Numa Droz NUMA machine Numa Pompilius NUMA-Q Numantia Numazu Numbat Number			Null Packet Deletion Null picture null point null point null point null pointer null pointer Null Reference Null Reference Exception null reference system null sequence null set null set null space null space null space Null string Null surface Null terminated Null terminated Null terminating character Null terminating character Null terminator Null terminator Null Type Null value Null value Null value Null value Null value null vector Null vector (Minkowski space) Null vector (vector space) Null vectors null-balance recorder null-cell adenoma null-cell adenoma null-cell adenoma Null-character Null-character null-current circuit null-current measurement Null-hypothesis Null-hypothesis Null-hypothesis Null-modem Null-modem cable Null-On-Jam Null-printer cable Null-set Null-set Null-Space-Based Behavioral Null-Terminated Byte String null-terminated multibyte string Nulla Nulla impossibilia aut inhonesta sunt praesumenda Nulla nulla Nulla nulla Nulla Per Os Nulla-nulla Nulla-nulla

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