Thread Subject: how to slove the materix form of this kind

How to get a constant character in a materix like
[q1
 q2
 q3
 q4
 q5
 q6]

and

how to solve problem like
[1 [q1
 1 q2
 1 = (toeplitz(1:2:9,[1,1:2:9]))* q3
 1 q4
 1 q5
 1] q6]

where q1 to q6 are unkown. they need to find out
we can't find inverse to (toeplitz(1:2:9,[1,1:2:9]))
because it is not square matrix.

"Shanmukha Moturu" <Shanmukharao.Moturu@liv.ac.uk> wrote in message
<g3mo26$4bc$1@fred.mathworks.com>...
> How to get a constant character in a materix like
> [q1
> q2
> q3
> q4
> q5
> q6]
>
> and
>
> how to solve problem like
> [1 [q1
> 1 q2
> 1 = (toeplitz(1:2:9,[1,1:2:9]))* q3
> 1 q4
> 1 q5
> 1] q6]
>
> where q1 to q6 are unkown. they need to find out
> we can't find inverse to (toeplitz(1:2:9,[1,1:2:9]))
> because it is not square matrix.

Huh?

If you actually seriously want help, you
should start learning Matlab. Helping
yourself is the surest way to a solution.

As much though, you need to learn to
form a cogent sentence when you do
ask a question. Your question above is
totally meaningless.

Sorry,
John

"Shanmukha Moturu" <Shanmukharao.Moturu@liv.ac.uk> wrote in message
news:g3mo26$4bc$1@fred.mathworks.com...
> How to get a constant character in a materix like
> [q1
> q2
> q3
> q4
> q5
> q6]

If you need a matrix containing symbols like this, not numbers, you will
need to use the SYM or SYMS functions from Symbolic Math Toolbox.

> and
>
> how to solve problem like
> [1 [q1
> 1 q2
> 1 = (toeplitz(1:2:9,[1,1:2:9]))* q3
> 1 q4
> 1 q5
> 1] q6]

That's A*x = b, where A is toeplitz(1:2:9, [1 1:2:9]) and b is ones(6, 1),
and you're solving for a vector of q values? Use backslash:

x = A\b

> where q1 to q6 are unkown. they need to find out
> we can't find inverse to (toeplitz(1:2:9,[1,1:2:9]))
> because it is not square matrix.

DO NOT USE INV TO SOLVE A SYSTEM OF LINEAR EQUATIONS.

--
Steve Lord
slord@mathworks.com