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Zero or Null Matrix – Definition and Examples

Here you will learn what is the zero or null matrix definition with examples. Let’s begin – Zero or Null Matrix Definition : A matrix in which al elements are zero is called  a null or a zero matrix. Also Read : Different Types of Matrices – Definitions and Examples Examples : 1). \(\begin{bmatrix} 0 …

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Identity or Unit Matrix – Definition and Examples

Here you will learn what is the identity or unit matrix definition with examples. Let’s begin – Identity or Unit Matrix Definition : A square matrix A = \([a_{ij}]_{n\times n}\) is called a identity or unit matrix if (i) \(a_{ij}\) = 0 for all i \(\ne\) j and, (ii) \(a_{ii}\) = 1, for all i …

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Scalar Matrix – Definition and Examples

Here you will learn what is the scalar matrix definition and order of scalar matrix with examples. Let’s begin – Scalar Matrix Definition : A square matrix A = \([a_{ij}]_{n\times n}\) is called a scalar matrix if (i) \(a_{ij}\) = 0 for all i \(\ne\) j and, (ii) \(a_{ii}\) = c, for all i, where …

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Square Matrix – Definition and Examples

Here you will learn what is the square matrix definition and order of square matrix with examples. Let’s begin – Square Matrix Definition : A matrix in which the number of rows is equal to the number of columns, say n, is called a square matrix of order n. A square matrix of order n …

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Row Matrix – Definition and Examples

Here you will learn what is row matrix definition and order of row matrix with examples. Let’s begin – Row Matrix Definition : A matrix having only one row is called a row-matrix or a row-vector. It is matrix having all its elements in a single row. It has one row and multiple columns. The …

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Mean Deviation About Mean and Median – Formula and Examples

Here you will learn what is the mean deviation formula with examples. Let’s begin –  Mean Deviation Formula (i) For Ungrouped distribution : Definition : If \(x_1\), \(x_2\), ….. , \(x_n\) are n values of a variable X, then the mean deviation from an average A (median or arithmetic mean) is given by Mean Deviation …

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