> S = sparse ( i, j,v ) % Form quadruple precision sparse matrix > v = mp ( '' )' % Prepare vector of nonzeros % Create sparse matrix with accumulation using triplets: > a = % Concatenate rows into final matrix % Create mp-matrices by conversion from double % Assemble matrix row by row: % (Butcher tableau for Gauss-Legendre method: ) > norm (y- cos (A ) ) % Calculations are done with 34 digits precision. > A = repmat (x, 10, 10 ) % Create mp-matrix by scalar replication. % Simple expressions evaluation in quadruple precision: > format longG % Toolbox shows all digits in case of 'long' formats. Digits ( 34 ) % Setup default precision to 34 decimal digits (quadruple). For Windows 7, this may look like the following: Add the destination folder where toolbox is installed to MATLAB’s search path.Installation instructions are provided upon trial version request for the platforms.Īfter installation we recommend completing the following steps: Follow the step-by-step instructions of the installer to complete the installation process. After downloading the program allow it to run. The Multiprecision Computing Toolbox is easily installed after following only a few brief steps. 3.4.1 Solve system of nonlinear equations (fsolve).3.2.3 Compute subset of eigenvalues and eigenvectors.3.1 Arbitrary Precision Gauss-Legendre Quadrature.
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