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lbfgsb

A python impementation of the famous L-BFGS-B quasi-Newton solver.

lbfgsb has been downloaded 7,174 times in total on PyPI, including 259 in the last 30 days. The latest version is 1.0.1, released Mar 10, 2026.

Version1.0.1
Downloads
7.17k
LicenseBSD 3-Clause License Copyright (c) 2025, Antoine COLLET All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AuthorAntoine Collet
UpdatedMar 10, 2026
Source →PyPI →

Downloads

Weekly, last 90d.
Includes CI traffic.

VersionsTotal1.*0.*
Range
View
Granularity
Group by
CI traffic
Stack: OffCI: Included3 / 5 series
Selected total2.62k
7.2kAll-time
259Last 30 days
12Last 24 h
<0.01/sPer second

Version distribution

Share of downloads by released version. Computed over the last quarter.

  • 01

    1.0.1

    881 downloads
    67.4%
  • 02

    1.0.0

    182 downloads
    13.9%
  • 03

    0.1.1

    155 downloads
    11.9%
  • 04

    0.1.0

    90 downloads
    6.9%

Guess the next day

Thirteen recent days of lbfgsb downloads. Drag the green handle on the right to guess where day fourteen lands.

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