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# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
from spack.package import *
class RLimsolve(RPackage):
"""Solving Linear Inverse Models.
Functions that (1) find the minimum/maximum of a linear or quadratic
function: min or max (f(x)), where f(x) = ||Ax-b||^2 or f(x) = sum(a_i*x_i)
subject to equality constraints Ex=f and/or inequality constraints Gx>=h,
(2) sample an underdetermined- or overdetermined system Ex=f subject to
Gx>=h, and if applicable Ax~=b, (3) solve a linear system Ax=B for the
unknown x. It includes banded and tridiagonal linear systems."""
cran = "limSolve"
version("1.5.6", sha256="b97ea9930383634c8112cdbc42f71c4e93fe0e7bfaa8f401921835cb44cb49a0")
depends_on("r@2.10:", type=("build", "run"))
depends_on("r-quadprog", type=("build", "run"))
depends_on("r-lpsolve", type=("build", "run"))
depends_on("r-mass", type=("build", "run"))
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