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Standard Subscripting
Provides the capability of selecting ranges and strides in addition to the ability to select data using a vector of integer indexes. Standard subscripting indexes must be an integer. A range subscript selection accepts a beginning and ending index separated by a colon :.T(0:20,0:) Another option is to leave out the start, end or both: T(:20,:180) or T(0,:) An index can be reversed using a negative stride: T(::-1,::-1) An index can be subsampled using a positive stride: T(::2,::2)Considerably more information about NCL variable subscripting may be found in the "Variables" section of the NCL Reference Manual