V Vidar567 New member Joined Nov 24, 2020 Messages 1 Nov 24, 2020 #1 Hello, Short question: a = [[1,s1,s2],[s1,1,s3],[s2,s3,1]] with s1, s2, s3 in [-1,1] How many negative eigenvalue can this matris have? Answers: 0, at most 1, at most 2, at most 3 Last edited by a moderator: Nov 24, 2020
Hello, Short question: a = [[1,s1,s2],[s1,1,s3],[s2,s3,1]] with s1, s2, s3 in [-1,1] How many negative eigenvalue can this matris have? Answers: 0, at most 1, at most 2, at most 3
D Deleted member 4993 Guest Nov 24, 2020 #2 Vidar567 said: Hello, Short question: a = [[1,s1,s2],[s1,1,s3],[s2,s3,1]] with s1, s2, s3 in [-1,1] How many negative eigenvalue can this matris have? Answers: 0, at most 1, at most 2, at most 3 Click to expand... When you multiply the eigenvalues - what does it equal to? Please show us what you have tried and exactly where you are stuck. Please follow the rules of posting in this forum, as enunciated at: READ BEFORE POSTING Please share your work/thoughts about this problem.
Vidar567 said: Hello, Short question: a = [[1,s1,s2],[s1,1,s3],[s2,s3,1]] with s1, s2, s3 in [-1,1] How many negative eigenvalue can this matris have? Answers: 0, at most 1, at most 2, at most 3 Click to expand... When you multiply the eigenvalues - what does it equal to? Please show us what you have tried and exactly where you are stuck. Please follow the rules of posting in this forum, as enunciated at: READ BEFORE POSTING Please share your work/thoughts about this problem.
