this function creates a Scilab tlist which code an Armax process A(z^-1)y= B(z^-1)u + D(z^-1)sig*e(t)

-->ar=armac([1,2],[3,4],1,1,1,sig);
 
-->ar('a')   
 ans  =
 
!   1.    2. !
-->ar('sig')
 ans  =
 
    1.  
   
        

Display the armax equation associated with ar

Display the armax equation associated with ar using polynomial matrix display.

extract polynomial matrices from ar representation

is used to identify the coefficients of a n-dimensional ARX process A(z^-1)y= B(z^-1)u + sig*e(t)

armax1 is used to identify the coefficients of a 1-dimensional ARX process A(z^-1)y= B(z^-1)u + D(z^-1)sig*e(t)

armax trajectory simulation.

armax simulation ( using rtitr)

Simple tests of ode and arsimul. Tests the option 'discret' of ode

pseudo random binary sequences generation

Linear regression