Subversion Repositories wimsdev

!if $wims_read_parm!=slib_header

!goto proc

!endif

slib_title=Probability density function of log-normal law 

slib_parms=3\

,[data]\

1,mean\

1,ecart-type

slib_author=Bernadette PERRIN-RIOU

slib_out=values of probability density function of log-normal law   on data

slib_comment=data can be a list of reals in brackets, 

 slib_example=[2,4,7] ,3,4

 !exit

:proc

slib_out=

!distribute  item $wims_read_parm into slib_data,slib_mean,slib_var

!default slib_mean=1

!default slib_var=1

slib_data=!declosing $slib_data

slib_out=

!for slib_i in  $slib_data

 !if $slib_i > 0

   slib_out = !append item $[exp(-(log($slib_i)-$slib_mean)^2/(2*$slib_var^2))/($slib_i*$slib_var*(2*pi)^0.5)] to $slib_out

 !else

   slib_out = !append item 0 to $slib_out

 !endif

!next slib_i

slib_out=!trim $slib_out