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01-Applied Mathematics & Information Sciences
An International Journal


Volumes > Volume 05 > No. 3


Inverse of the Vandermonde and Vandermonde confluent matrices

PP: 361-366
F. Soto-Eguibar, H. Moya-Cessa,
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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