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identity matrix

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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.
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identity matrix
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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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N/2] is the identity matrix of size N/2, that is, half the size of the input sequence matrix [X.
is either the N x N identity matrix or I - Pw, where Pw is the orthogonal projection on a vector W in [C.
 
 
 
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