Alternate Definitions for Index

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Term: Index
Definition:

A set of derived variables frequently used to parameterise Space Weather conditions and as input to models. The default sets of indices are: Solar activity and geomagnetism: PC, AE, Ap, Kp, Dst, IG12, IMF, R, R12, F10.7, S10, E10, M10, Y10; Ionospheric scintillation: S4, sigma_phi, fading depth, fade duration, time between fades.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
Permalink:
https://n2t.net/ark:/99152/h9666
Term: Index
Definition:

The location of an item in an array orvector. An index can be multivalued to represent the location in amultidimensional object. The index of the first item is "1". A value of "0"is a wild card for all elements at the location in an array. A value of "-1"is a reference to the dimension at the location in the array. A "-1" is usedwhen describing the attributes of the dimension, where as "0" or a positiveinteger is used to describe attributes of individual elements.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
Permalink:
https://n2t.net/ark:/99152/h10346