non-Positive definite stiffness matrix
non-Positive definite stiffness matrix
(OP)
If the determinant of a matrix is positive , does that mean that the matrix must be positive definite
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non-Positive definite stiffness matrix
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RE: non-Positive definite stiffness matrix
RE: non-Positive definite stiffness matrix
The definition of the possitive definite matrix is the following
For every x (vector) x'Ax>0
which means possitive eigenvalues
no positive determinant
Dr. Costas J. Tsaprounis