SciPy 1.2.3 Release Notes ¶

Contents

SciPy 1.2.3 is a bug-fix release with no new features compared to 1.2.2. It is part of the long-term support (LTS) release series for Python 2.7.

Authors ¶

#4915: Bug in unique_roots in scipy.signal.signaltools.py for roots with same magnitude
#5546: ValueError raised if scipy.sparse.linalg.expm recieves array larger than 200x200
#7117: Warn users when using float32 input data to curve_fit and friends
#7906: Wrong result from scipy.interpolate.UnivariateSpline.integral for out-of-bounds
#9581: Least-squares minimization fails silently when x and y data are different types
#9901: lsoda fails to detect stiff problem when called from solve_ivp
#9988: doc build broken with Sphinx 2.0.0
#10303: BUG: optimize: linprog failing TestLinprogSimplexBland::test_unbounded_below_no_presolve_corrected
#10376: TST: Travis CI fails (with pytest 5.0 ?)
#10384: CircleCI doc build failing on new warnings
#10535: TST: master branch CI failures
#11121: Calls to scipy.interpolate.splprep increase RAM usage.
#11198: BUG: sparse eigs (arpack) shift-invert drops the smallest eigenvalue for some k
#11266: Sparse matrix constructor data type detection changes on Numpy 1.18.0

#9992: MAINT: Undo Sphinx pin
#10071: DOC: reconstruct SuperLU permutation matrices avoiding SparseEfficiencyWarning
#10076: BUG: optimize: fix curve_fit for mixed float32/float64 input
#10138: BUG: special: Invalid arguments to ellip_harm can crash Python.
#10306: BUG: optimize: Fix for 10303
#10309: BUG: Pass jac=None directly to lsoda
#10377: TST, MAINT: adjustments for pytest 5.0
#10379: BUG: sparse: set writeability to be forward-compatible with numpy>=1.17
#10426: MAINT: Fix doc build bugs
#10540: MAINT: Fix Travis and Circle
#10633: BUG: interpolate: integral(a, b) should be zero when both limits are outside of the interpolation range
#10833: BUG: Fix subspace_angles for complex values
#10882: BUG: sparse/arpack: fix incorrect code for complex hermitian M
#10906: BUG: sparse/linalg: fix expm for np.matrix inputs
#10961: BUG: Fix signal.unique_roots
#11126: BUG: interpolate/fitpack: fix memory leak in splprep
#11199: BUG: sparse.linalg: mistake in unsymm. real shift-invert ARPACK eigenvalue selection
#11269: Fix: Sparse matrix constructor data type detection changes on Numpy 1.18.0