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Usage:
abs(x), x REAL or a structure with REAL components
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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
x.
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