Array Terminology

Examples of declarations:

    REAL, DIMENSION(15)       :: A
    REAL, DIMENSION(-4:0,0:2) :: B
    REAL  :: C(5,3), D(0:4,0:2) ! Shorthand

The above are explicit-shape arrays.

Terminology:

• rank -- number of dimensions;
• bounds -- upper and lower limits of indices;
• extent -- number of elements in dimension;
• size -- either the total number of elements or, if particular dimension is specified, the number of elements in that dimension;
• shape -- rank and extents;
• conformable -- same shape, B and C and D.

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