# Linear Algebra Cheat Sheet (1)

0- Notations and convention A variable/quantity/element can be scalar, vector, or a matrix; its type should be understood from the context if not explicitly declared. 0-1- A vector is considered […]

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Linear Algebra

# Linear Algebra Cheat Sheet (1)

0- Notations and convention A variable/quantity/element can be scalar, vector, or a matrix; its type should be understood from the context if not explicitly declared. 0-1- A vector is considered […]

# Rank of a Matrix

contains nothing; even nothing itself

Let (the results also holds for ). Then, the column rank/row rank of A is defined as the dimension of the column/row space of A, i.e. the dimension of the […]