MatlabNotes

Matrix analysis.cond Matrix condition number.norm Matrix or vector norm.Graphics & plotting.rcond LINPACK reciprocal condition figure Create Figure (graph window).estimator.clf Clear current figure.rank Number of linearly independent close Close figure.rows or columns.subplot Create axes in tiled positions.det Determinant.axis Control axis scaling and appearance.trace Sum of diagonal elements.null Null space.hold Hold current graph.orth Orthogonalization.figure Create figure window.rref Reduced row echelon form. text Create text.Linear equations.print Save graph to file.\ and / Linear equation solution; use plot Linear plot.“help slash”.loglog Log-log scale plot.chol Cholesky factorization.semilogx Semi-log scale plot.lu Factors from Gaussian elimination.semilogy Semi-log scale plot.Specialized X-Y graphs.inv Matrix inverse.polar Polar coordinate plot.qr Orthogonal- triangular decomposition.stem Discrete sequence or ”stem” plot.bar Bar graph.qrdelete Delete a column from the QR factorization.errorbar Error bar plot.stairs Stairstep plot.qrinsert Insert a column in the QR factorization.rose Angle histogram plot.hist Histogram plot.nnls Non–negative least- squares. compass Compass plot.pinv Pseudoinverse.feather Feather plot.lscov Least squares in the presence of fplot Plot function.known covariance.comet Comet-like trajectory.Eigenvalues and singular values.Graph annotation.eig Eigenvalues and eigenvectors. title Graph title.poly Characteristic polynomial. xlabel X-axis label.polyeig Polynomial eigenvalue problem. ylabel Y-axis label.hess Hessenberg form.text Text annotation.qz Generalized eigenvalues.gtext Mouse placement of text.rsf2csf Real block diagonal form to complexdiagonal form.contour Contour plot.grid Grid lines.cdf2rdf Complex diagonal form to real mesh 3-D mesh surface.block diagonal form.surf 3-D shaded surface.schur Schur decomposition.waterfall Waterfall plot.balance Diagonal scaling to improve view 3-D graph viewpoint specification.eigenvalue accuracy.svd Singular value decomposition. zlabel Z-axis label for 3-D plots.Matrix functions.gtext Mouse placement of text.expm Matrix exponential.grid Grid lines.expm1 M- file implementation of expm.expm2 Matrix exponential via Taylor series.Table 5: Graphics & plot commands.expm3 Matrix exponential via eigenvaluesand eigenvectors.logm Matrix logarithm.sqrtm Matrix square root.43funm Evaluate general matrix function.Table 4: Matrix functions—numerical linear algebra.