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\value{
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\value{
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  They return numeric vectors containing the result of the element
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  They return numeric vectors containing the result of the element
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  by element operations.  The elements of shorter vectors are recycled
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  by element operations.  The elements of shorter vectors are recycled
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  as necessary (with a \code{\link{warning}} when they are recycled only
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  as necessary (with a \code{\link{warning}} when they are recycled only
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  \emph{fractionally}).  The operators are \code{+} for addition,
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  \emph{fractionally}).  The operators are \code{+} for addition,
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  \code{-} for subtraction \code{*} for multiplication, \code{/} for
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  \code{-} for subtraction, \code{*} for multiplication, \code{/} for
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  division and \code{^} for exponentiation.
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  division and \code{^} for exponentiation.
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  \code{\%\%} indicates \code{x mod y} and \code{\%/\%} indicates
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  \code{\%\%} indicates \code{x mod y} and \code{\%/\%} indicates
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  integer division.  It is guaranteed that \code{x == (x \%\% y) + y * ( x
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  integer division.  It is guaranteed that \code{x == (x \%\% y) + y * ( x
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    \%/\% y )} unless \code{y == 0} where the result is \code{\link{NA}} or
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    \%/\% y )} unless \code{y == 0} where the result is \code{\link{NA}} or