Symbols
Estimated variable | |
∼ | Follows a specific distribution function, e.g. z ∼ F( · ) |
0 | Stochastic component of variable |
Mean value of variable | |
lim | Limit operator, e.g. |
⊗ | Kronecker product of two matrices |
Imaginary unit, | |
a | Vector |
A | Matrix |
I | Identity matrix |
Diagonal matrix | |
|A| | Determinant of A, N = M |
||a|| | Length of a, |
||A|| | Frobenius norm of A, |
A† | Generalized inverse of a matrix, |
A†A = I if N > M or AA† = I if N < M | |
Orthogonal complement of column or row space of A, | |
if N > M or if N < M | |
trace{A} | Trace of A, , N = M |
E{ · } | Expectation operator, e.g. E{z} = |
vec{A} | Vector representation of matrix, |
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