Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
Drexel University or The Math Forum.



Re: Solving complex number
Posted:
Jan 14, 2013 2:27 PM


"Salvinder " <salvinder@gmail.com> wrote in message <kd10cs$cv6$1@newscl01ah.mathworks.com>... > Hie, > > I've got a matrix of 2X2 as shown below: > > [ 0.6 0.4; 0.7 0.3]^n > > when I change the value of n based on integer's I have no problem because I'll get the desired answer, but when n becomes decimal numbers such as 1.2 or 1.25, the solution will have a complex number as a solution. For example the solution would look as shown below: > > [ 0.2 + 0.034i 0.6  0.2i ; 0.4  0.03i 0.7+0.4i] > > Is there any possible way of removing the complex numbers? > > Thanks,
Are you perhaps trying to do an element by element power:
[ 0.6 0.4; 0.7 0.3].^n
This is different mathematically than taking the power of the matrix. Read the help for Mathematical Operators.
Barry



