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Commits on Apr 25, 2015
  1. @dlax

    Merge pull request #4769 from Andreea-G/cobyla_rhoend

    dlax authored
    Fixes #4726: test_cobyla.test_vector_constraints
  2. @Andreea-G

    Fixes #4726: test_cobyla.test_vector_constraints

    Andreea-G authored
    Set rhoend and tol as 1e-5 in test_cobyla for fmin_cobyla and minimize.
Commits on Apr 24, 2015
  1. @argriffing

    Merge pull request #4762 from Andreea-G/linprog_artificial

    argriffing authored
    BUGS: Fixes #4746 and #4594: linprog returns solution violating equality constraint and IndexError when a callback is provided
Commits on Apr 23, 2015
  1. @Andreea-G

    BUG: Fixes #4746: linprog returns solution violating equality constraint

    Andreea-G authored
    This adds to pull request #4685. The problem happens if some artificial variable(s) remain basic at the end of Phase 1. PR #4685 solved the problem if the row in T associated with the artificial variable was zero (for all columns in T that correspond to a non-artificial variable). When there are non-zero elements in that row, then one of the non-zero elements is picked for pivot, and the artificial variable is replaced in the basis by the non-artificial variable. This is done until there are no more artificial variables in the basis that have non-zero rows in T.
  2. @Andreea-G

    BUG: Fixes #4594: scipy.optimize.linprog IndexError when a callback i…

    Andreea-G authored
    …s provided
    
    The bug appeared at the beginning of Phase 2, if Phase 1 successfully terminated with some of the artificial variables as pivots. These artificial variables were zero because the corresponding element in the last column of T was zero, which allowed all artificial variables to be eliminated and Phase 1 to terminate successfully. However, basis[:m] contained elements that were greater than the length of solution, which resulted in IndexError at solution[basis[:m]]. The remaining true (non-artificial) variables that are not included in basis[:m] are also zero. Therefore simply setting the length of solution to be large enough solves the problem.
  3. @dlax

    Merge pull request #4763 from argriffing/linprog-cleanup

    dlax authored
    fix small linprog bugs
  4. @alexbrc
Commits on Apr 22, 2015
  1. @alexbrc

    DOC: linprog copyediting

    alexbrc authored
  2. @rgommers

    Merge pull request #4753 from insertinterestingnamehere/compile_fix

    rgommers authored
    BUG: Fixed compilation with recent Cython versions.
  3. @insertinterestingnamehere
Commits on Apr 21, 2015
  1. @dlax

    Merge pull request #4758 from argriffing/leastsq-docstring

    dlax authored
    DOC: optimize.leastsq default maxfev clarification
  2. @larsmans

    Merge pull request #4751 from argriffing/bench-sparse-null-slice

    larsmans authored
    BENCH: add sparse null slice benchmark
Commits on Apr 20, 2015
  1. @alexbrc
  2. @argriffing

    Merge pull request #4718 from ev-br/fshapes

    argriffing authored
    ENH: stats: can specify f-shapes to fix in fitting by name
  3. @alexbrc
  4. @alexbrc
Commits on Apr 17, 2015
  1. @argriffing

    Merge pull request #4713 from ev-br/no_dtype

    argriffing authored
    MAINT: interpolate: no need to pass dtype around if it can be inferred
  2. @argriffing

    Merge pull request #4699 from wuhaochen/master

    argriffing authored
    DOC: cluster.hierarchy.linkage and sparse.linalg.spilu
  3. @insertinterestingnamehere
  4. @insertinterestingnamehere

    MAINT: Require Cython 0.22 in the installation docs and the cythonize

    insertinterestingnamehere authored
    script.
    Also use Cython 0.22 in the benchmark suite.
  5. @argriffing

    Merge pull request #4750 from ev-br/spec_backsl

    argriffing authored
    DOC: special: TeX typesetting of rel_entr, kl_div and pseudo_huber
  6. @alexbrc
  7. @argriffing

    Merge pull request #4660 from lightcatcher/avoid_extra_slice_copy

    argriffing authored
    Avoid extra copy for sparse compressed [:, seq] and [seq, :] slices.
Commits on Apr 16, 2015
  1. @ev-br
  2. @argriffing

    Merge pull request #4715 from rgommers/maint-place-poles

    argriffing authored
    MAINT: polish signal.place_poles and signal/test_ltisys.py
  3. @argriffing

    Merge pull request #4712 from pv/onenormest-memfix

    argriffing authored
    Reduce onenormest memory usage
Commits on Apr 15, 2015
  1. @argriffing

    Merge pull request #4740 from WarrenWeckesser/versionadded

    argriffing authored
    DOC: Update some docstrings with 'versionadded'.
  2. @rgommers

    Merge pull request #4738 from aeklant/issue_#4734

    rgommers authored
    TST: silence runtime warnings for some corner cases in `stats` tests.
Commits on Apr 14, 2015
  1. @argriffing

    Merge pull request #4742 from ev-br/assert_relaxed_strides

    argriffing authored
    BLD: make sure that relaxed strides checking is in effect on TravisCI
  2. @ev-br

    BLD: make sure that relaxed strides checking is in effect on TravisCI

    ev-br authored
    Fail the build otherwise. (EG, if it has been disabled by TravisCI
    env changes, gh-4737, gh-4739)
  3. @ev-br

    Merge pull request #4739 from argriffing/fix-relaxed-strides

    ev-br authored
    BLD: try to build numpy instead of using the one on TravisCI
  4. @WarrenWeckesser

    DOC: Update some docstrings with 'versionadded'.

    WarrenWeckesser authored
    Also added 'reverse_cuthill_mckee' and 'maxmimum_bipartite_matching' to the
    list of the functions in the 'scipy.sparse.csgraph' module docstring.
  5. @alexbrc
  6. @aeklant
  7. @rgommers

    Merge pull request #4735 from ev-br/np_dev_err

    rgommers authored
    MAINT: stats: avoid (a spurious) division-by-zero in skew
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