parameter of distribution

parameter of distribution

[pə¦ram·əd·ər əv ‚dis·trə′byü·shən]
(mathematics)
For a fixed line on a ruled surface, a quantity whose magnitude is the limit, as a variable line on the surface approaches the fixed line, of the ratio of the minimum distance between the two lines to the angle between them; and whose sign is positive or negative according to whether the motion of the tangent plane to the surface is left- or right-handed as the point of tangency moves along the fixed line in a positive direction.
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The first parameter of distribution in Table V is represented by Param.