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abs(x), x REAL or a structure with REAL components

Keywords: transformations
abs(x) returns the absolute values of the elements of x, when x is a
REAL scalar, vector, matrix or array.  The result has the same shape as

When any element of x is MISSING, so is the corresponding element of
abs(x) and a warning message is printed.

When x is a structure, all of whose non-structure components are REAL,
abs(x) is a structure of the same shape and with the same component
names as x, with each non-structure component transformed by abs().

See topic 'transformations' for more information on abs().

Gary Oehlert 2003-01-15