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functional.cfdf - Function



Package utility
Module functionals
Tool functional


Calculate the value and derivatives of the complex functional


Synopsis
cfdf(x)


Arguments

x in argument values
    Allowed: complex
    Default: []


Returns
vector or array of complex


Description

Calculate the value of the functional for the specified complex arguments, and the derivatives with respect to the parameters (taking any specified mask into account).



Example
- a:=dfs.gaussian1d()
- a.setparameters([2,1,3])
T
- a.cfdf(1)
[[1:1,]
    2+0i 1+-0i 0+0i 0+0i] 
- a.cfdf([1,2])
[[1:2,]
    2+0i       1+-0i        0+0i        0+0i
    1.46973+0i 0.734867+-0i 0.905549+0i 0.30185+0i] 
- a.cfdf(1i)   
[[1:1,]
    1.63224+1.15576i 0.81612+0.577882i -1.71778+0.293572i
    0.474734-0.670449i]





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