identity matrix


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identity matrix

identity matrix

n.
A square matrix with 1's along the diagonal from upper left to lower right and 0's in all other positions, constituting the identity element for matrix multiplication.
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Noun1.identity matrix - a scalar matrix in which all of the diagonal elements are unity
scalar matrix - a diagonal matrix in which all of the diagonal elements are equal
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References in periodicals archive ?
According to Bartlett's test, the null identity matrix hypothesis was rejected at a very low significance level (less than 0.
3] denotes the 3 x 3 identity matrix, [parallel][M.
I the identity matrix, (Ic: an identity matrix with order number of lambs and In: an identity matrix with order number of records), (Eq.
A positive sample was subjected to DNA sequencing using BLAST and the identity matrix of the nucleotide sequence of FeLV was used for comparison with sequences deposited in the GenBank.
Data matrix, correlation matrix, covariance matrix, identity matrix, and tests of matrices are explained in this chapter.
0] = I, where I denotes the identity matrix, compute iteratively [Q.
where I denotes an identity matrix and [alpha] > 0 is a parameter.
Each component of the model parameter vector is perfectly resolved and gives a unique solution if the resolution matrix is an identity matrix (Wiggins 1972; Menke 1984).
Where the matrix I is a 2 x 2 identity matrix and constant parameters c is equal to the determinant of [M.