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# Rafael

10 total contributions since 2010

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Posted

Relation between continuos-time and discrete-time pole regions
It's well known that the open left half of the s domain (real part of s pole < 0) is equivalent to a unit circle of the z domain...

5 years ago | 1263 views

Posted

Find Linear Algebra problem solution
I have a linear algebre problem like this: MN' = I - XY I know both X and Y. I also know that M and N are square and nonsingul...

5 years ago | 1213 views

Responded

Re: Model quarter car suspension through S-Function
I thought about using MATLAB function block, but I need Zb-Zw, dZb and ddZb values to pass to the Fuzzy Controller. How can I ha...

5 years ago | 5683 views

Posted

Model quarter car suspension through S-Function
I'm having some trouble trying to create a model for a semi-active quarter car suspension (only one wheel) using S-Function. Th...

5 years ago | 5683 views

Posted

Space-state transfer function
I'm having some trouble getting the transfer function from space-state matrices using the formula: Gss = C*inv(eye(size(A,2))-A...

6 years ago | 1473 views

Posted

Matrix inverse alternative
Suppose you have a linear system like x(k+1) = Ax(k) + Bu(k) y(k) = Cx(k) + Du(k) and I have a code to find the state-space tr...

6 years ago | 1627 views

Posted

Basic inverse question on MPC code analysis
I was trying to understand the code from the MPC Tutorial II from File Exchange (http://www.mathworks.com/matlabcentral/fileexch...

6 years ago | 1802 views

Responded

Re: Weird "??? Subscripted assignment dimension mismatch."
I think I got it, Cris. I am trying to put the whole C_e matrix in the first h row! Thanks a lot. If I don't want to put both ...

6 years ago | 1700 views

Responded

Re: Weird "??? Subscripted assignment dimension mismatch."
Cris, I don't understand why this code tries to put two rows into one row. When I do h(1,:) = C_e I understand that it will g...

6 years ago | 1700 views

Posted

Weird "??? Subscripted assignment dimension mismatch."
I am receiving the error "??? Subscripted assignment dimension mismatch." when running my code at the following line: h(1,:) = ...

6 years ago | 1700 views