A single header-only library for least squares optimization.

least-squares-cpp
is a header-only C++ library for unconstrained non-linear
least squares optimization using the Eigen3
library.
It provides convenient and configurable access to the following fitting algorithms:
- Gradient Descent
- Gauss Newton
- Levenberg Marquardt
Convergence and runtime behaviour can be parametrized using advanced newton step refinement
operators such as line searching or trust region methods.
- Barzilai-Borwein Method
- Armijo Backtracking
- Wolfe Backtracking
- Powell's Dogleg Method
Depends (2)
Requires (1)
Reviews
Builds
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public-0.17.0 |
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aarch64-linux-gnu |
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linux_debian_12-gcc_14-static_O3 |
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2025-09-24 22:17:29 UTC (55:20 minutes ago) |
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linux_debian_12-gcc_14-O3 |
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2025-09-24 22:04:35 UTC (01:08:14 hours ago) |
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2025-09-24 22:02:54 UTC (01:09:55 hours ago) |
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2025-09-24 21:52:43 UTC (01:20:05 hours ago) |
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2025-09-24 04:44:02 UTC (18:28:46 hours ago) |
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2025-09-24 04:32:07 UTC (18:40:42 hours ago) |
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2025-09-24 04:19:45 UTC (18:53:04 hours ago) |
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2025-09-24 04:04:02 UTC (19:08:47 hours ago) |
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2025-09-24 04:02:50 UTC (19:09:59 hours ago) |
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2025-09-24 04:00:10 UTC (19:12:38 hours ago) |
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linux_debian_12-gcc_14-ndebug_O3 |
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2025-09-24 03:58:49 UTC (19:14:00 hours ago) |
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2025-09-24 03:24:30 UTC (19:48:19 hours ago) |
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2025-09-24 03:23:08 UTC (19:49:41 hours ago) |
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2025-09-24 03:21:53 UTC (19:50:55 hours ago) |
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x86_64-microsoft-win32-msvc14.3 |
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windows_10-msvc_17.8-O2 |
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2025-09-24 03:11:24 UTC (20:01:25 hours ago) |
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2025-09-24 03:10:35 UTC (20:02:14 hours ago) |
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2025-09-24 03:08:04 UTC (20:04:45 hours ago) |
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2025-09-24 03:06:03 UTC (20:06:46 hours ago) |
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2025-09-24 02:37:07 UTC (20:35:42 hours ago) |
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x86_64-linux-gnu |
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linux_debian_12-clang_17_libc++ |
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2025-09-24 02:29:08 UTC (20:43:40 hours ago) |
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2025-09-24 02:26:57 UTC (20:45:52 hours ago) |
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aarch64-linux-gnu |
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linux_debian_12-clang_18-static_O3 |
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2025-09-23 23:41:59 UTC (23:30:49 hours ago) |
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2025-09-23 23:37:51 UTC (23:34:58 hours ago) |
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2025-09-23 23:33:05 UTC (23:39:43 hours ago) |
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2025-09-23 20:01:20 UTC (01 03:11:29 days ago) |
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2025-09-23 19:58:30 UTC (01 03:14:18 days ago) |
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2025-09-23 19:15:25 UTC (01 03:57:24 days ago) |
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2025-09-23 13:50:16 UTC (01 09:22:33 days ago) |
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2025-09-23 07:23:03 UTC (01 15:49:45 days ago) |
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2025-09-23 02:42:57 UTC (01 20:29:52 days ago) |
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2025-09-23 02:39:56 UTC (01 20:32:53 days ago) |
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2025-09-23 01:56:13 UTC (01 21:16:36 days ago) |
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aarch64-linux-gnu |
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linux_debian_12-clang_18_libc++-O3 |
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2025-09-23 01:53:21 UTC (01 21:19:28 days ago) |
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public-0.17.0 |
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aarch64-linux-gnu |
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linux_debian_12-clang_18_libc++ |
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2025-09-23 01:53:02 UTC (01 21:19:46 days ago) |
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