Quadratic Objective Function
A quadratic objective function is typically of the form
\frac{1}{2} x^\top Qx + c^\top x
where Q is a (sparse) matrix defining the quadratic part of the function and c is a (sparse) vector of coefficients to the n defining the linear part.
Q_objective(Q, L = NULL, names = NULL) ## S3 method for class 'Q_objective' terms(x, ...) as.Q_objective(x) ## S3 method for class 'Q_objective' variable.names(object, ...)
Q |
a n \times n matrix with numeric entries representing the quadratic
part of objective function. Sparse matrices of class
|
L |
a numeric vector of length n, where n is the number of objective variables. |
names |
an optional character vector giving the names of x (row/column names of Q, column names of L). |
x |
an R object. |
... |
further arguments passed to or from other methods |
object |
an R object. |
an object of class "Q_objective" which inherits
from "objective".
Stefan Theussl
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