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This PR contains the following updates:
==1.12.0
->==1.14.1
Release Notes
scipy/scipy (scipy)
v1.14.1
: SciPy 1.14.1Compare Source
SciPy 1.14.1 Release Notes
SciPy
1.14.1
adds support for Python3.13
, including binarywheels on PyPI. Apart from that, it is a bug-fix release with
no new features compared to
1.14.0
.Authors
A total of 17 people contributed to this release.
People with a "+" by their names contributed a patch for the first time.
This list of names is automatically generated, and may not be fully complete.
v1.14.0
: SciPy 1.14.0Compare Source
SciPy 1.14.0 Release Notes
SciPy
1.14.0
is the culmination of 3 months of hard work. It containsmany new features, numerous bug-fixes, improved test coverage and better
documentation. There have been a number of deprecations and API changes
in this release, which are documented below. All users are encouraged to
upgrade to this release, as there are a large number of bug-fixes and
optimizations. Before upgrading, we recommend that users check that
their own code does not use deprecated SciPy functionality (to do so,
run your code with
python -Wd
and check forDeprecationWarning
s).Our development attention will now shift to bug-fix releases on the
1.14.x branch, and on adding new features on the main branch.
This release requires Python
3.10+
and NumPy1.23.5
or greater.For running on PyPy, PyPy3
6.0+
is required.Highlights of this release
has wheels built against Accelerate for macOS >=14 resulting in significant
performance improvements for many linear algebra operations.
cobyqa
, has been added toscipy.optimize.minimize
- thisis an interface for COBYQA (Constrained Optimization BY Quadratic
Approximations), a derivative-free optimization solver, designed to
supersede COBYLA, developed by the Department of Applied Mathematics, The
Hong Kong Polytechnic University.
scipy.sparse.linalg.spsolve_triangular
is now more than an order ofmagnitude faster in many cases.
New features
scipy.fft
improvementsscipy.fft.prev_fast_len
, has been added. This functionfinds the largest composite of FFT radices that is less than the target
length. It is useful for discarding a minimal number of samples before FFT.
scipy.io
improvementswavfile
now supports reading and writing ofwav
files in the RF64format, allowing files greater than 4 GB in size to be handled.
scipy.constants
improvementsscipy.interpolate
improvementsscipy.interpolate.Akima1DInterpolator
now supports extrapolation via theextrapolate
argument.scipy.optimize
improvementsscipy.optimize.HessianUpdateStrategy
now also accepts square arrays forinit_scale
.cobyqa
, has been added toscipy.optimize.minimize
- thisis an interface for COBYQA (Constrained Optimization BY Quadratic
Approximations), a derivative-free optimization solver, designed to
supersede COBYLA, developed by the Department of Applied Mathematics, The
Hong Kong Polytechnic University.
scipy.optimize.differential_evolution
.scipy.optimize.approx_fprime
now has linear space complexity.scipy.signal
improvementsscipy.signal.minimum_phase
has a new argumenthalf
, allowing theprovision of a filter of the same length as the linear-phase FIR filter
coefficients and with the same magnitude spectrum.
scipy.sparse
improvementsThese are all the formats we currently intend to support 1D shapes.
Other sparse array formats raise an exception for 1D input.
Results are still COO format sparse arrays for min/nanmin and
dense
np.ndarray
for argmin.repr
andstr
output.dia_array
by ascalar, which avoids a potentially costly conversion to CSR format.
scipy.sparse.csgraph.yen
has been added, allowing usage of Yen's K-ShortestPaths algorithm on a directed on undirected graph.
scipy.sparse.linalg.spsolve_triangular
is now more than an order ofmagnitude faster in many cases.
scipy.spatial
improvementsRotation
supports an alternative "scalar-first" convention of quaternioncomponent ordering. It is available via the keyword argument
scalar_first
of
from_quat
andas_quat
methods.Rotation
objects.scipy.special
improvementsscipy.special.log_wright_bessel
, for calculation of the logarithm ofWright's Bessel function.
scipy.special.hyp2f1
calculations has improvedsubstantially.
boxcox
,inv_boxcox
,boxcox1p
, andinv_boxcox1p
by preventing premature overflow.scipy.stats
improvementsscipy.stats.power
can be used for simulating the powerof a hypothesis test with respect to a specified alternative.
scipy.stats.irwinhall
.scipy.stats.mannwhitneyu
are much fasterand use less memory.
scipy.stats.pearsonr
now accepts n-D arrays and computes the statisticalong a specified
axis
.scipy.stats.kstat
,scipy.stats.kstatvar
, andscipy.stats.bartlett
are faster at performing calculations along an axis of a large n-D array.
Array API Standard Support
Experimental support for array libraries other than NumPy has been added to
existing sub-packages in recent versions of SciPy. Please consider testing
these features by setting an environment variable
SCIPY_ARRAY_API=1
andproviding PyTorch, JAX, or CuPy arrays as array arguments.
As of 1.14.0, there is support for
scipy.cluster
scipy.fft
scipy.constants
scipy.special
: (select functions)scipy.special.log_ndtr
scipy.special.ndtr
scipy.special.ndtri
scipy.special.erf
scipy.special.erfc
scipy.special.i0
scipy.special.i0e
scipy.special.i1
scipy.special.i1e
scipy.special.gammaln
scipy.special.gammainc
scipy.special.gammaincc
scipy.special.logit
scipy.special.expit
scipy.special.entr
scipy.special.rel_entr
scipy.special.xlogy
scipy.special.chdtrc
scipy.stats
: (select functions)scipy.stats.describe
scipy.stats.moment
scipy.stats.skew
scipy.stats.kurtosis
scipy.stats.kstat
scipy.stats.kstatvar
scipy.stats.circmean
scipy.stats.circvar
scipy.stats.circstd
scipy.stats.entropy
scipy.stats.variation
scipy.stats.sem
scipy.stats.ttest_1samp
scipy.stats.pearsonr
scipy.stats.chisquare
scipy.stats.skewtest
scipy.stats.kurtosistest
scipy.stats.normaltest
scipy.stats.jarque_bera
scipy.stats.bartlett
scipy.stats.power_divergence
scipy.stats.monte_carlo_test
Deprecated features
scipy.stats.gstd
,scipy.stats.chisquare
, andscipy.stats.power_divergence
have deprecated support for masked arrayinput.
scipy.stats.linregress
has deprecated support for specifying both samplesin one argument;
x
andy
are to be provided as separate arguments.conjtransp
method forscipy.sparse.dok_array
andscipy.sparse.dok_matrix
has been deprecated and will be removed in SciPy1.16.0.
quadrature="trapz"
inscipy.integrate.quad_vec
has beendeprecated in favour of
quadrature="trapezoid"
and will be removed inSciPy 1.16.0.
scipy.special.{comb,perm}
have deprecated support for use ofexact=True
inconjunction with non-integral
N
and/ork
.Backwards incompatible changes
scipy.stats
functions now produce a standardized warning message whenan input sample is too small (e.g. zero size). Previously, these functions
may have raised an error, emitted one or more less informative warnings, or
emitted no warnings. In most cases, returned results are unchanged; in almost
all cases the correct result is
NaN
.Expired deprecations
There is an ongoing effort to follow through on long-standing deprecations.
The following previously deprecated features are affected:
Several previously deprecated methods for sparse arrays were removed:
asfptype
,getrow
,getcol
,get_shape
,getmaxprint
,set_shape
,getnnz
, andgetformat
. Additionally, the.A
and.H
attributes were removed.scipy.integrate.{simps,trapz,cumtrapz}
have been removed in favour ofsimpson
,trapezoid
, andcumulative_trapezoid
.The
tol
argument ofscipy.sparse.linalg.{bcg,bicstab,cg,cgs,gcrotmk, mres,lgmres,minres,qmr,tfqmr}
has been removed in favour ofrtol
.Furthermore, the default value of
atol
for these functions has changedto
0.0
.The
restrt
argument ofscipy.sparse.linalg.gmres
has been removed infavour of
restart
.The
initial_lexsort
argument ofscipy.stats.kendalltau
has beenremoved.
The
cond
andrcond
arguments ofscipy.linalg.pinv
have beenremoved.
The
even
argument ofscipy.integrate.simpson
has been removed.The
turbo
andeigvals
arguments fromscipy.linalg.{eigh,eigvalsh}
have been removed.
The
legacy
argument ofscipy.special.comb
has been removed.The
hz
/nyq
argument ofsignal.{firls, firwin, firwin2, remez}
hasbeen removed.
Objects that weren't part of the public interface but were accessible through
deprecated submodules have been removed.
float128
,float96
, and object arrays now raise an error inscipy.signal.medfilt
andscipy.signal.order_filter
.scipy.interpolate.interp2d
has been replaced by an empty stub (to beremoved completely in the future).
Coinciding with changes to function signatures (e.g. removal of a deprecated
keyword), we had deprecated positional use of keyword arguments for the
affected functions, which will now raise an error. Affected functions are:
sparse.linalg.{bicg, bicgstab, cg, cgs, gcrotmk, gmres, lgmres, minres, qmr, tfqmr}
stats.kendalltau
linalg.pinv
integrate.simpson
linalg.{eigh,eigvalsh}
special.comb
signal.{firls, firwin, firwin2, remez}
Other changes
standard remains C++17.
This results in significant performance improvements for linear algebra
operations, as well as smaller binary wheels.
to run the cross interpreter.
parts of SciPy.
Authors
A total of 85 people contributed to this release.
People with a "+" by their names contributed a patch for the first time.
This list of names is automatically generated, and may not be fully complete.
v1.13.1
: SciPy 1.13.1Compare Source
SciPy 1.13.1 Release Notes
SciPy
1.13.1
is a bug-fix release with no new featurescompared to
1.13.0
. The version of OpenBLAS shipped withthe PyPI binaries has been increased to
0.3.27
.Authors
A total of 19 people contributed to this release.
People with a "+" by their names contributed a patch for the first time.
This list of names is automatically generated, and may not be fully complete.
v1.13.0
: SciPy 1.13.0Compare Source
SciPy 1.13.0 Release Notes
SciPy
1.13.0
is the culmination of 3 months of hard work. Thisout-of-band release aims to support NumPy
2.0.0
, and is backwardscompatible to NumPy
1.22.4
. The version of OpenBLAS used to buildthe PyPI wheels has been increased to
0.3.26.dev
.This release requires Python 3.9+ and NumPy 1.22.4 or greater.
For running on PyPy, PyPy3 6.0+ is required.
Highlights of this release
2.0.0
.to run the examples locally on embedded Jupyterlite notebooks in their
browser.
scipy.stats
functions have gained support for additionalaxis
,nan_policy
, andkeepdims
arguments.scipy.stats
alsohas several performance and accuracy improvements.
New features
scipy.integrate
improvementsterminal
attribute ofscipy.integrate.solve_ivp
events
callables now additionally accepts integer values to specify a number
of occurrences required for termination, rather than the previous restriction
of only accepting a
bool
value to terminate on the first registeredevent.
scipy.io
improvementsscipy.io.wavfile.write
has improveddtype
input validation.scipy.interpolate
improvementsinterpolate.Akima1DInterpolator
, available via the newmethod
argument.
BSpline.insert_knot
inserts a knot into aBSpline
instance.This routine is similar to the module-level
scipy.interpolate.insert
function, and works with the BSpline objects instead of
tck
tuples.RegularGridInterpolator
gained the functionality to compute derivativesin place. For instance,
RegularGridInterolator((x, y), values, method="cubic")(xi, nu=(1, 1))
evaluates the mixed second derivative,:math:
\partial^2 / \partial x \partial y
atxi
.RegularGridInterpolator
have been changed: evaluations should besignificantly faster, while construction might be slower. If you experience
issues with construction times, you may need to experiment with optional
keyword arguments
solver
andsolver_args
. Previous behavior (fastconstruction, slow evaluations) can be obtained via
"*_legacy"
methods:method="cubic_legacy"
is exactly equivalent tomethod="cubic"
inprevious releases. See
gh-19633
for details.scipy.signal
improvementssampling frequency (
fs
).scipy.sparse
improvementscoo_array
now supports 1D shapes, and has additional 1D support formin
,max
,argmin
, andargmax
. The DOK format now haspreliminary 1D support as well, though only supports simple integer indices
at the time of writing.
pydata/sparse
array inputs toscipy.sparse.csgraph
.dok_array
anddok_matrix
now have proper implementations offromkeys
.csr
andcsc
formats now have improvedsetdiag
performance.scipy.spatial
improvementsvoronoi_plot_2d
now draws Voronoi edges to infinity more clearlywhen the aspect ratio is skewed.
scipy.special
improvementsAMOS
,specfun
, andcdflib
librariesthat the majority of special functions depend on, is ported to Cython/C.
factorialk
now also supports faster, approximatecalculation using
exact=False
.scipy.stats
improvementsscipy.stats.rankdata
andscipy.stats.wilcoxon
have been vectorized,improving their performance and the performance of hypothesis tests that
depend on them.
stats.mannwhitneyu
should now be faster due to a vectorized statisticcalculation, improved caching, improved exploitation of symmetry, and a
memory reduction.
PermutationMethod
support was also added.scipy.stats.mood
now hasnan_policy
andkeepdims
support.scipy.stats.brunnermunzel
now hasaxis
andkeepdims
support.scipy.stats.friedmanchisquare
,scipy.stats.shapiro
,scipy.stats.normaltest
,scipy.stats.skewtest
,scipy.stats.kurtosistest
,scipy.stats.f_oneway
,scipy.stats.alexandergovern
,scipy.stats.combine_pvalues
, andscipy.stats.kstest
have gainedaxis
,nan_policy
andkeepdims
support.scipy.stats.boxcox_normmax
has gained aymax
parameter to allow userspecification of the maximum value of the transformed data.
scipy.stats.vonmises
pdf
method has been extended to supportkappa=0
. Thefit
method is also more performant due to the use ofnon-trivial bounds to solve for
kappa
.moment
calculations forscipy.stats.powerlaw
are now moreaccurate.
fit
methods ofscipy.stats.gamma
(withmethod='mm'
) andscipy.stats.loglaplace
are faster and more reliable.scipy.stats.goodness_of_fit
now supports the use of a customstatistic
provided by the user.
scipy.stats.wilcoxon
now supportsPermutationMethod
, enablingcalculation of accurate p-values in the presence of ties and zeros.
scipy.stats.monte_carlo_test
now has improved robustness in the face ofnumerical noise.
scipy.stats.wasserstein_distance_nd
was introduced to compute theWasserstein-1 distance between two N-D discrete distributions.
Deprecated features
PchipInterpolator
andAkima1DInterpolator
havebeen deprecated and will raise an error in SciPy 1.15.0. If you are trying
to use the real components of the passed array, use
np.real
ony
.Backwards incompatible changes
Other changes
scipy.stats.moment
has been renamed toorder
while maintaining backward compatibility.
Authors
A total of 96 people contributed to this release.
People with a "+" by their names contributed a patch for the first time.
This list of names is automatically generated, and may not be fully complete.
Configuration
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