about save factor a constant problem!!

there is a const(1/4),i want to take it out,but i am a new user in matlab.i can't.i used the command factor,but it doesn't work!!

can anyone help me

Answer 1

[Star Strider]

One option is to use numden:

syms Zta
Q = [(1/4 + 1/4*Zta)  (1/4 - 1/4*Xi)]/(1/4)
[N,D] = numden(Q)

produces:

N =

[ Zta + 1, 1 - Xi]

D =

[ 4, 4]

Another option is to simply divide whatever quantity you are referring to by (1/4).

Example:

syms Zta
Q = [(1/4 + 1/4*Zta)  (1/4 - 1/4*Xi)]/(1/4)

produces:

Q =

[ Zta + 1, 1 - Xi]

[tony kevine]

thanks very much!!

[Star Strider]

My pleasure!