Inner product on $\Bbb{R}^2$ defined using a matrix
99600
Show that a 2x2 matrix A is symmetric positive definite if and only if A is symmetric, trace(A) > 0 and det(A) > 0
135420
Determining eigenvalues, eigenvectors of $A\in \mathbb{R}^{n\times n}(n\geq 2)$.
78654
An example of a norm which can't be generated by an inner product
6324
Deriving the inverse of a 2x2 matrix
130381
bijection from $(a,b)$ to $\Bbb R$
89089
Prove that there is a unique inner product on $V$
149086
Determining $\mbox{tr}(A)$ and $\det(A)$ as functions of the eigenvalues of a matrix
4517
Showing a $2\times2$ matrix is invertible
32103
Show that for a $2\times 2$ matrix $A^2=0$
86150
Geometric interpretation of matrices
91276
difference between dot product and inner product
156712
Geometrical or Physical significance (interpretation) of the inner-product $\langle A,B \rangle := Trace (AB^t)$ over $M_n(\mathbb R)$
37060
The Parallelogram Identity for an inner product space
87636
A Product function for matrix products
96530
Matrix representation of linear map in this basis
133609
orthonormal system in a Hilbert space
115012
Klein-Gordon inner product