Zonal
Encyclopedia
Zonal can refer to:
- Zonal and meridionalZonal and meridionalThe terms zonal and meridional are used to describe directions on a globe. Zonal means "along a latitude circle" or "in the west–east direction"; while meridional means "along a meridian" or "in the north–south direction"....
, directions on a globe - Zonal and poloidalZonal and poloidalIn magnetic confinement fusion the zonal direction primarily connotes the poloidal direction , the corresponding coordinate being denoted by y in the slab approximation or θ in magnetic coordinates...
, directions in a toroidal magnetically confined plasma - Zonal polynomialZonal polynomialIn mathematics, a zonal polynomial is a multivariate symmetric homogeneous polynomial. The zonal polynomials form a basis of the space of symmetric polynomials.They appear as zonal spherical functions of the Gelfand pairs...
, a symmetric multivariate polynomial