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Inverse of the Vandermonde and Vandermonde confluent matrices |
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PP: 361-366 |
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Author(s) |
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F. Soto-Eguibar,
H. Moya-Cessa,
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Abstract |
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| The inverse of the Vandermonde and confluent Vandermonde matrices are presented.
In the case of the Vandermonde matrix, we present a decomposition in three factors,
one of them a diagonal matrix. The evaluation of such inverse matrices is a key point
to find functions of a matrix, namely exponential functions (evolution operators) and
logarithmic functions (entropies) in quantum mechanical topics. |
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