Correctly substituting a matrix into a scalar equation
49439
Matrix exponential via Cayley-Hamilton Theorem
42427
Understanding linear algebra in Ordinary Least Squares derivation
103194
How to change this matrix with respect to standard basis?
6324
Deriving the inverse of a 2x2 matrix
34489
Matrix representation of linear transformation
99685
Matrix exponential for Jordan canonical form
157630
Transforming an equation to the co-vector version
8970
Proving the cross product matrix tranformation identity with an alternative solution
81227
Matrix equation (esp. row vectors)
119301
Is the following matrix invertible?
158876
Computing with matrix differential operators
139161
Extract matrix from a system of linear equations
76904
Computing matrix-vector calculus derivatives
157570
is a one-by-one-matrix just a number (scalar)?
34198
Avoiding overlapping superscripts and subscripts in matrices
93550
How to find the matrix representation of an operator from its action on a basis?
88405
Flatten command: matrix as second argument