36 lines
548 B
R
36 lines
548 B
R
#' @importFrom Rdpack reprompt
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#'
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NULL
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#' Generalized logaritmic function.
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#'
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#' \deqn{x \longmapsto 1 : \log(x) \approx x-1}
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#'
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#'
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#' @references
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#' \insertRef{Tsallis:94:00}{ROBITools2}
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#'
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#'
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#' @author Eric Coissac
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#' @export
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log.q = function(x,q=1) {
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if (q==1)
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log(x)
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else (x^(1-q)-1)/(1-q)
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}
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#' Generalized exponential function.
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#'
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#'
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#' @references
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#' \insertRef{Tsallis:94:00}{ROBITools2}
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#'
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#' @author Eric Coissac
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#' @export
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exp.q = function(x,q=1,base=exp(1)) {
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if (q==1)
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exp(x)
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else
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(1 + (1-q)*x)^(1/(1-q))
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}
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