Some important terms related in Linear algebra

**Nul matrix**A matrix in which all elements are zero is called Null matrix.**Row matrix**A matrix with 1 row and any no. of column is called Row matrix.**Column matrix**A matrix with 1 column and any no.of row is called column matrix**Square matrix**A matrix having equal no. of rows and columns is called Square matrix.**Unit matrix**A Square matrix in which all diagonol elements are 1 and all non diagonal elements are 0 is called Unit matrix.**Diagonal Matrix**A Square matrix in which all diagonal elements are non zero and non diagonal matrix are 0 is called Diagonal matrix.**Scalar matrix**A diagonal matrix with all diagonal elements are a scalar is called Scalar matrix.**Symmetric Matrix**A matrix which satisfy the relation ,, a_{ij }= a_{ji }_{Skew-symmetric matrix A matrix which satisfy the relationship ,,, }a_{ij }= -a_{ji}_{Triangular matrix A matrix whose elements below or above the leading diagonal are zero are called triangular matrix.}_{Transpose of a matrix A matrix obtained after exchanging the rows and columns of a matrix is called transpose of a matrix. It is donated as }A^{T}^{}^{}**Orthogonal matrix**A matrix which satisfy this relationship,,,,, A^{T}.A= 1**Conjugate Matrix**A matrix obtained by the complex conjugate of a matrix A is called Conjugate matrix.

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