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Matlab Function Reference Guide II (pdf) - Computer Engineering ...

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1 <strong>Function</strong>s – By Category<br />

1-20<br />

Linear Algebra<br />

cholinc Incomplete Cholesky factorization<br />

condest 1-norm condition number estimate<br />

eigs Eigenvalues and eigenvectors of sparse matrix<br />

luinc Incomplete LU factorization<br />

normest Estimate matrix 2-norm<br />

sprank Structural rank<br />

svds Singular values and vectors of sparse matrix<br />

Linear Equations (Iterative Methods)<br />

bicg BiConjugate Gradients method<br />

bicgstab BiConjugate Gradients Stabilized method<br />

cgs Conjugate Gradients Squared method<br />

gmres Generalized Minimum Residual method<br />

lsqr LSQR implementation of Conjugate Gradients on Normal<br />

Equations<br />

minres Minimum Residual method<br />

pcg Preconditioned Conjugate Gradients method<br />

qmr Quasi-Minimal Residual method<br />

spaugment Form least squares augmented system<br />

symmlq Symmetric LQ method<br />

Tree Operations<br />

etree Elimination tree<br />

etreeplot Plot elimination tree<br />

gplot Plot graph, as in “graph theory”<br />

symbfact Symbolic factorization analysis<br />

treelayout Lay out tree or forest<br />

treeplot Plot picture of tree<br />

Math Constants<br />

eps Floating-point relative accuracy<br />

i Imaginary unit<br />

Inf Infinity, ∞<br />

j Imaginary unit<br />

NaN Not-a-Number<br />

pi Ratio of a circle’s circumference to its diameter, π<br />

realmax Largest positive floating-point number<br />

realmin Smallest positive floating-point number

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