alfa = inv([r00 r11 r10 r12; r11 r00 r01 r01;... r10 r01 r00 r02; r12 r01 r02 r00])*[r01 r10 r11 r11];

i am getting error in this code. can anyone help?

[Stephen23]

What error, what code? What is the question? What does that title mean? Read this:

http://de.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer

[John D'Errico]

The error is: we cannot read your mind, and apparently, neither can MATLAB.