The Matrix Computation Toolbox: show(x) - File Exchange

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Highlights from
The Matrix Computation Toolbox

adsmax(f, x, stopit, savit, P... ADSMAX Alternating directions method for direct search optimization.
augment(A, alpha) AUGMENT Augmented system matrix.
cholp(A, piv) CHOLP Cholesky factorization with pivoting of a positive semidefinite matrix.
chop(x, t)
cod(A, tol) COD Complete orthogonal decomposition.
cpltaxes(z) CPLTAXES Determine suitable AXIS for plot of complex vector.
dual(x, p)
fv(B, nk, thmax, noplot)
gep(A, piv) GEP Gaussian elimination with pivoting: none, complete, partial or rook.
gersh(A, noplot)
gfpp(T, c) GFPP Matrix giving maximal growth factor for Gaussian elim. with pivoting.
gj(A, b, piv)
gqr(A, B, partial) GQR Generalized QR factorization.
gs_c(A) GS_C Classical Gram-Schmidt QR factorization.
gs_m(A) GS_M Modified Gram-Schmidt QR factorization.
ldlt_skew(A) LDLT_SKEW Block LDL^T factorization for a skew-symmetric matrix.
ldlt_symm(A, piv) LDLT_SYMM Block LDL^T factorization for a symmetric indefinite matrix.
ldlt_sytr(A) LDLT_SYTR Block LDL^T factorization for a symmetric tridiagonal matrix.
lse(A, b, B, d, method) LSE Solve the equality constrained least squares problem.
makejcf(n, e, m, X) MAKEJCF A matrix with specified Jordan canonical form.
matrix(k, n) MATRIX Test matrices accessed by number.
matsignt(T) MATSIGNT Matrix sign function of a triangular matrix.
mdsmax(fun, x, stopit, savit,... MDSMAX Multidirectional search method for direct search optimization.
nmsmax(fun, x, stopit, savit,... NMSMAX Nelder-Mead simplex method for direct search optimization.
pnorm(A, p, tol, prnt)
poldec(A) POLDEC Polar decomposition.
ps(A, m, tol, rl, marksize)
pscont(A, k, npts, ax, levels... PSCONT Contours and colour pictures of pseudospectra.
rootm(A,p)
rschur(n, mu, x, y) RSCHUR An upper quasi-triangular matrix.
see(A, k)
seqcheb(n, k) SEQCHEB Sequence of points related to Chebyshev polynomials.
seqm(a, b, n) SEQM Multiplicative sequence.
show(x) SHOW Display signs of matrix elements.
signm(A) SIGNM Matrix sign decomposition.
skewpart(A) SKEWPART Skew-symmetric (skew-Hermitian) part.
sparsify(A, p) SPARSIFY Randomly set matrix elements to zero.
strassen(A, B, nmin) STRASSEN Strassen's fast matrix multiplication algorithm.
strassenw(A, B, nmin) STRASSENW Strassen's fast matrix multiplication algorithm (Winograd variant).
sub(A, i, j)
symmpart(A) SYMMPART Symmetric (Hermitian) part.
trap2tri(L) TRAP2TRI Unitary reduction of trapezoidal matrix to triangular form.
treshape(x,unit) TRESHAPE Reshape vector to or from (unit) triangular matrix.
vand(m, p) VAND Vandermonde matrix.
vecperm(m, n) VECPERM Vec-permutation matrix.
Contents.m
mctdemo.m
readme.m
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from The Matrix Computation Toolbox by Nick Higham
A collection of M-files for carrying out various numerical linear algebra tasks.

show(x)

function show(x)
%SHOW   Display signs of matrix elements.
%       SHOW(X) displays X in `FORMAT +' form, that is,
%       with `+', `-' and  blank representing positive, negative
%       and zero elements respectively.

format +
disp(x)
format

Highlights from The Matrix Computation Toolbox

Highlights from
The Matrix Computation Toolbox