moved and updated function
function now receive and func_handle as input
new protected method added
new method for preparing the transition matrix
update with Qfunc instead of Q0 (WIP)
update with Qfunc
new protected method for preparing transition matrix
update filter with Qfunc
removed call to generic_tools
removed call to generic_tools and changed to Qfunc
removed call to generic_tools
update for Qfunc and return Qt time series
removed call to generic_tools