Browsing by Subject "Logarithms"
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Item An analytical study of the constant E(Texas Tech University, 1932-01) Williams, Margaret HallamNot availableItem An efficient method for approximating products of functions of matrices with vectors(Texas Tech University, 2004-05) Martines, Ian PabloGiven an n x n symmetric positive definite matrix A and a vector c, numerical methods for approximating A1/mc, e^Ac, and ln(A)c are developed, analyzed, and computationally tested. Each method applies Gragg's method with Richardson extrapolation to numerically solve specific initial-value problems to approximate A1/mc, e^Ac, and ln(A)c. Reduction of A to tridiagonal form is first performed to increase the efficiency of the method.