DOC

Matrix

## Matrix Class
    - operator /
    - operator /=
    - operator *
    - operator *=
    - operator -
    - operator -=
    - operator +
    - operator +=
    - get_shape
    - print_shape
## Matrix Functions
    - dot
    - sigmoid
    - exp
    - tanh
    - zeros
    - ones
    - random
    - reshape
    - squeeze
    - identity
    - swap_rows
    - replace_rows
    - scale_row

Vector

## Vector Class
    - get_shape
    - print_shape
    - norm
## Vector Functions
    - get_column_vectors
    - get_row_vectors

Linear Algebra

* Decompositions
    - LU
* Algorithms
    - inv
    - det