INPUT:

　　xx state variable and delayed state variables columnwise

　　par list of parameter values

　　nx empty or list of requested state-derivatives (numbers of delay or zero)

　　np empty or list of requested parameter-derivatives

　　v matrix to multiply result with

OUTPUT:

　　J result of derivatives on righthandside multiplied with v-　INPUT:

　　xx state variable and delayed state variables columnwise

　　par list of parameter values

　　nx empty or list of requested state-derivatives (numbers of delay or zero)

　　np empty or list of requested parameter-derivatives

　　v matrix to multiply result with

　OUTPUT:

　　J result of derivatives on righthandside multiplied with v