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# changeObjFunc.R
# FBA and friends with R.
#
# Copyright (C) 2010-2014 Gabriel Gelius-Dietrich, Dpt. for Bioinformatics,
# Institute for Informatics, Heinrich-Heine-University, Duesseldorf, Germany.
# All right reserved.
# Email: geliudie@uni-duesseldorf.de
#
# This file is part of sybil.
#
# Sybil is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Sybil is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with sybil. If not, see <http://www.gnu.org/licenses/>.
################################################
# Function: changeObjFunc
#
#
#
#
changeObjFunc <- function(model, react, obj_coef = rep(1, length(react))) {
if (!is(model, "modelorg")) {
stop("needs an object of class modelorg!")
}
if (length(react) != length(obj_coef)) {
stop("react and obj_coef must have the same length!")
}
checkedIds <- checkReactId(model, react)
if (!is(checkedIds, "reactId")) {
stop("Check your reaction Id's")
}
# set all objective coefficients to zero
obj_coef(model) <- numeric(react_num(model))
obj_coef(model)[react_pos(checkedIds)] <- obj_coef
return(model)
}
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