Studied by 4 people
Row matrix
A matrix having only one row
Column matrix
A matrix having only one column
Zero/Null matrix
Matrix whose all elements are zero
Square matrix
A matrix whose number of rows and columns are equal
Diagonal matrix
A square matrix whose non-diagonal elements are always zero
Scalar matrix
A Diagonal matrix in which all the diagonals are equal and non-diagonal elements are zero
Identity/Unit matrix
A scalar matrix where all diagonal elements are 1 and non-diagonal elements are zero
Triangular matrix
A square matrix where all elements towards either side (upper or lower) are zero
Note 
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