Description Usage Arguments Details Value Author(s) See Also Examples
A family of functions that return the normalization constant for the cusp density given the values of the bifurcation and asymmetry parameters (default), or returns the moment of a specified order (cusp.nc
).
1 2 3 4 5 |
alpha |
the asymmetry parameter in Cobb's cusp density (see |
beta |
the bifurcation parameter in Cobb's cusp density (see |
mom.order |
the moment order to be computed (see details below) |
subdivisions,
rel.tol,
abs.tol,
stop.on.error,
aux |
arguments used by the internal integration routine of R (see |
keep.order |
logical, that indicates wether the order of the output should be the same as the order of the input |
... |
extra arguments in |
The function cusp.nc
returns Ψ if mom.order = 0
and Ψ times the moment of order mom.order
otherwise.
The function cusp.nc
is internally used if the C-routine symbol "cuspnc"
is not loaded.
The functions cusp.nc.c
and cusp.nc.C
call this C routine, which is considerably faster than
cusp.nc
.
These functions are not intended to be called directly by the user.
cusp.nc, cusp.nc.c, cusp.nc.vec
return a numeric vector of the same length as alpha
and beta
with normalizing constants, or the indicated moments times the normalization constant (cusp.nc
only).
cusp.nc.C
returns a list with vectors with the results obtained from integrate
.
cusp.nc.c
first sorts the input in such a way that the numerical integrals can be evaluated more quickly than in arbitrary order
Raoul Grasman
1 |
[1] 19.59617
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