# identity matrix

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## identity matrix

[ī′den·ə‚dē ‚mā·triks]
(mathematics)
The square matrix all of whose entries are zero except along the principal diagonal where they all are 1.
References in periodicals archive ?
In other words, the first k--1 rows of M equal those of the identity matrix.
n] reduces to an identity matrix for n = 0, the output power of the sliding window mode becomes
where I is the identity matrix of dimension rxr, r is the number of columns of the polynomial matrices A(z) and B(z).
The principle of DL techniques is to add a scaled identity matrix to the sample correlation matrix to obtain
where I is the N x N identity matrix, [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII].
where M is the coupling matrix, U a identity matrix with [[U].
kp] is the identity matrix of size kp x kp, is a set of blocks [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] = [X[[i.
The only exception to this convenience is the need to expand the identity matrix as described below.
and [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] is defined as diagonally loaded covariance matrix and is denoted as [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII], where I is an N x N identity matrix and [mu] is a real constant representing the diagonal loading value.
k] is an absorbing state, the transition matrix for these states is an Identity matrix and [[mu].
But the identity matrix cannot be obtained by any weighted mean matrix.

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