Positive definite and semi definite in non linear programming
2798
A and B are nxn matrices, $A =B^TB$. Prove that if rank(B)=n, A is pos def, and if rank(B)<b, A is pos semi-def.
135252
If $M$ is positive definite, then $\operatorname{det}{(M)}\leq \prod_i m_{ii}$
155415
Minimax problem for optimization $\inf \sup \frac{x f(x)}{\int_0^1 f(t) dt}$
88195
Minimizing quadratic objective over convex set
142074
Solving linear regression with weights and constraints
48238
Prove the positive definiteness of Hilbert matrix
33518
An error formula for linearization
104008
Can the empirical Hessian of an M-estimator be indefinite?
115419
Combined numerical minimization and maximization
127263
Showing the Equivalence Between the $ {L}_{2} $ Norm Regularized Regression and $ {L}_{2} $ Norm Constrained Regression Using KKT
68132
Small positive eigenvalues found for a negative definite matrix
46076
Least Squares with $ {L}_{2} $ (L2) Linear Norm Regularization (Not Squared)
140695
polytopes as inequalities sistem solutions in R3 (x-y-z) cartesian space
92763
Optimising $x_1x_2+x_2x_3+\cdots+x_nx_1$ given certain constraints
149619
Duality in robust optimization
52618
AM-GM inequality basic
132827
Linear programming, Help!