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Topic: Using solve
Replies: 1   Last Post: Oct 4, 2013 8:20 AM

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Christopher Creutzig

Posts: 323
Registered: 2/24/09
Re: Using solve
Posted: Oct 4, 2013 8:20 AM
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On 24.09.13 14:05, El wrote:
> Hello,
> I am having a problem using solve to find x that fulfil f(x)=0. My function is:
> f=trace(A1*P)-SNR_linear(m);
> temp=solve(f==0,x);
> where A1 is given matrix which elements are known, P is diagonal matrix with diagonal elements containing x and I have to find x for m=1:length(SNR_linear). I am doing this for ten different matrix A1.
> But if I use the obtained values of x to check the value of trace(A1*P) sometimes it is bigger than SNR_linear(m). Is it possible for these to be pathological cases?

Could you show a specific example, as short as possible?

Christopher Creutzig

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