y = dirac(p, x, [y]) : Dirac
iFunc/dirac Dirac fitting function
y(x==p(2)) = p(1)
dirac(centre) creates a model with a line at centre
dirac([ parameters ]) creates a model with specified model parameters
input: p: Dirac model parameters (double)
p = [ Amplitude Centre ]
or 'guess'
x: axis (double)
y: when values are given and p='guess', a guess of the parameters is performed (double)
output: y: model value
ex: y=dirac([1 0 1 1], -10:10); or plot(dirac)
Version: Aug. 22, 2017
See also iData, iFunc/fits, iFunc/plot
(c) E.Farhi, ILL. License: EUPL.