CVXR (version 1.0)

Parameter-class: The Parameter class.

Description

This class represents a parameter, either scalar or a matrix.

Usage

Parameter(
  rows = NULL,
  cols = NULL,
  name = NA_character_,
  value = NA_real_,
  ...
)
# S4 method for Parameter
get_data(object)
# S4 method for Parameter
name(x)
# S4 method for Parameter
value(object)
# S4 method for Parameter
value(object) <- value
# S4 method for Parameter
grad(object)
# S4 method for Parameter
parameters(object)
# S4 method for Parameter
canonicalize(object)

Arguments

rows

The number of rows in the parameter.

cols

The number of columns in the parameter.

name

(Optional) A character string representing the name of the parameter.

value

(Optional) A numeric element, vector, matrix, or data.frame. Defaults to NA and may be changed with value<- later.

...

Additional attribute arguments. See '>Leaf for details.

object, x

A '>Parameter object.

Methods (by generic)

• get_data: Returns list(dim, name, value, attributes).

• name: The name of the parameter.

• value: The value of the parameter.

• value<-: Set the value of the parameter.

• grad: An empty list since the gradient of a parameter is zero.

• parameters: Returns itself as a parameter.

• canonicalize: The canonical form of the parameter.

Slots

rows

The number of rows in the parameter.

cols

The number of columns in the parameter.

name

(Optional) A character string representing the name of the parameter.

value

(Optional) A numeric element, vector, matrix, or data.frame. Defaults to NA and may be changed with value<- later.

Examples

# NOT RUN {
x <- Parameter(3, name = "x0", nonpos = TRUE) ## 3-vec negative
is_nonneg(x)
is_nonpos(x)
size(x)
# }