NEWS.md

Matrix Depot Release Notes

v1.1

• remove deprecated method of defining user functions
• remove obsolete methods of accessing remote SuiteSparse data
• deprecate @addgroup and @rmgroup, use setgroup! and deletegroup!
• add feature of alternative matrices relating MM matrices to SS matrices

v1.0.7

• bug fix release

v1.0.6

• allow to define user functions in separate package
• deprecate way of storing user definitions in myMatrixDepot data subdirectory

v1.0.0

• additional meta-data for suite-sparse collection specially SVD data
• improved testing
• ready for windows
• adapt documentation

v0.8.1

• fix problem with serialization of database
• adapt data recognition for SuiteSparse index file
• fix typo in sample problem "baart"

v0.8.0

• Improved API (see: README.md and ?MatrixDepot)
• Keyword search
• Logical expressions of predicates
• Access current remote repositories (2018.8)
• some bugs fixed - see git log
• Documentation adapted

v0.7.0

• Drop support for Julia v0.6

v0.6.0

• Adapt to Juliav0.7 - deprecations and minor bugs

v0.5.6

• Fix various typos in documentation, thanks to @jiahao.

v0.5.5

• Improve the documentation of regularization problems.

v0.5.4

• Fix SparseMatrix deprecation for Julia v0.5.

• Enhance the UF sparse matrix collection's meta data storage.

v0.5.3

• Add new test problems for regularization methods:

• parallax: http://matrixdepotjl.readthedocs.org/en/latest/regu.html#term-parallax

• Allow the UF sparse matrix collection interface to store meta data.

v0.5.2

• Update documentation.

v0.5.1

• Fix a bug in user defined generators.

• Fix reference formatting.

• Allow accessing matrices by different subtypes of Integer or UnitRange.

v0.5.0

• Drop support for Julia 0.3

• Various enhancements, including:

  • better formatted documentation for matrix generators.

  • automatically includes all Julia files in the directory myMatrixDepot, so that adding new matrix generators is more convenient and flexible. See http://matrixdepotjl.readthedocs.org/en/latest/user.html more details.

v0.4.3

• Ignore any changes to the directory myMatrixDepot. This means any local changes to myMatrixDepot\generator.jl won't be affected when we upgrade to a new version of Matrix Depot.

• Add more tests

v0.4.2

• Fix: build failing on Julia v0.5

• Prevent @rmgroup from introducing extra empty lines

• Add more tests

v0.4.1

• Add new feature:

  • allow users to download a group of matrices from UF sparse matrix collection.

v0.4.0

• Add new feature:

  • allow users to add new matrix generators. see http://matrixdepotjl.readthedocs.org/en/latest/user.html

• Add new test problems for regularization methods:

  • spikes
  • ursell

• Add new test matrices:

  • golub see http://blogs.mathworks.com/cleve/2015/08/24/golub-matrices-deceptively-ill-conditioned/
  • companion: Companion matrix.

• Document function matrixdepot.

v0.3.5

• Add new test problems for regularization methods:

  • gravity
  • blur

• Add new feature:

  • access matrices by a mixture of number and range. For example, we could do matrixdepot(1:4, 6, 10:15).

• Implement all three examples for deriv2.

v0.3.4

• fix Julia v0.5 String deprecation.

• implement a more general matrix generator.

• add new matrix: Hankel matrix hankel

• enumerate matrix input options

• add option matrixonly for regularization problems.

v0.3.3

• display the matrices in group lists alphabetically.

• add group "all" for all the matrices in the collection.

• fix pascal matrix overflow error.

v0.3.2

• make matrixdepot() display better information.

• rename @addproperty to @addgroup and rename @rmproperty to @rmgroup.

• rename property regu to regprob.

• set Float64 as the default data type for all the parameterized matrices in the collection.

• update matrix references.

v0.3.1

• Add new test problems for regularization methods:

  • heat
  • phillips
  • baart

v0.3.0

• Add test problems for regularization methods:

  • deriv2
  • foxgood
  • shaw
  • wing

• Reintroduce Matrix Market interface

• Define new functions for test collection interfaces

  • matrixdepot(name, :get): download matrix data name.
  • matrixdepot(name, :read): read matrix data name.

v0.2.8

• Add new test matrices

  • oscillate: a random test matrix for numerical regularization methods.
  • prolate: a symmetric ill-conditioned Toeplitz matrix.
  • toeplitz: Toeplitz matrix.

v0.2.7

• Fix some typos and v0.4 deprecation warnings

v0.2.6

• add reference information for test matrices

• update demo

v0.2.5

• support accessing matrices by number and UnitRange

• matrices in the collection are ordered alphabetically

• temporarily suspend the NIST Matrix Market interface

• use base Matrix Market reader for Julia 0.4

v0.2.2

• Include an interface to NIST Matrix Market

• reimplement ransvd to include rectangular case

v0.2.1

• Include an interface to the UF Sparse Matrix Collection

v0.1.3

• New matrices

  wathen: a sparse symmetric positive random matrix arose from the finite element method

• Style the output information

v0.1.2

• New matrices

  rohess: random orthogonal upper Hessenberg matrix

  kms: Kac-Murdock-Szego Toeplitz matrix

• Others

  fix test error for randsvd.

v0.1.1

• New matrices

  wilkinson: Wilkinson's eigenvalue test matrix.

  rando: random matrix with entries -1, 0 or 1.

  randsvd: random matrix with pre-assigned singular values.

• New property

  random: the matrix is random.

• Optimized Vandermonde matrix generation for better performance

  Thanks to @synapticarbors and @stevengj

v0.1.0

• New matrices

  rosser: a matrix with close eigenvalues.

  sampling: a matrix with application in sampling theory.

• Sphinx documentation