On 3/8/2013 1:56 PM, gilraen wrote: > Hi all, > > I need to find equilibrium points of nonlinear system which consist of 9 equations. >It is complicated system, so when I tried find equilibrium points in this way: > > syms x1 x2 > solve(x*2+3,x2^3-2, x3-2*x2); (it is just example) > > it give warning: > > Warning: The solutions are parametrized by the symbols > > It means it cannot be solve analytically. I try to solve this problem numerically but I am stuck. > > Is there any method how can I find equillibrium points in matlab numerically? > > Any help will be appreciated. >
You should post complete example, and not bits and pieces. The above could not have worked as x is not defined, and x3 is not defined.
But it works for me:
---------------------------- syms x1 x2 x x3 sol=solve(x*2+3,x2^3-2, x3-2*x2);