MatrixQ is :(a) Positive semi definite symmetric matrix(b) Positive definite non-symmetric matrix(c) Negative definite symmetric matrix(d) Negative definite non-symmetric matrixI have been asked this question in an interview.This key question is from Optimal Control Problems topic in chapter Optimal Control Systems of Control Systems

MatrixQ is :(a) Positive semi definite symmetric matrix(b) Positive de

1.	MatrixQ is :(a) Positive semi definite symmetric matrix(b) Positive definite non-symmetric matrix(c) Negative definite symmetric matrix(d) Negative definite non-symmetric matrixI have been asked this question in an interview.This key question is from Optimal Control Problems topic in chapter Optimal Control Systems of Control Systems
Answer» The correct answer is (a) Positive SEMI definite symmetric matrix The explanation: Matrix Q defines positive definite or non-definite symmetric matrix which is used in the performance INDEX so as to give equal WEIGHTAGE to each ELEMENT.

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