Showing projection of a matrix
119662
understanding projection matrices
98646
Show determinant of matrix is non-zero
135316
A basic question on diagonalizability of a matrix
67106
Projection on the hyperplane $H: \sum x_i=0$
86940
Proving an inequality in Eigenvalues of a matrix
141015
Proof of orthogonal matrix
136329
A matrix is similar to its transpose
66995
Why is a projection matrix symmetric?
136698
Why are there different ways of building projection matrices?
15197
Relation between trace and rank for projection matrices
25083
Plotting 3-D Matrix *values* in MATLAB
93550
How to find the matrix representation of an operator from its action on a basis?
98135
Show that the determinant of $A$ is equal to the product of its eigenvalues
34489
Matrix representation of linear transformation
11927
Matlab: Argmax and dot product for each row in a matrix
119301
Is the following matrix invertible?
10042
How to Show that Linear transformation is invertible?