The SumLargest class.
The sum of the largest k values of a matrix.
SumLargest(x, k) ## S4 method for signature 'SumLargest' to_numeric(object, values) ## S4 method for signature 'SumLargest' validate_args(object) ## S4 method for signature 'SumLargest' dim_from_args(object) ## S4 method for signature 'SumLargest' sign_from_args(object) ## S4 method for signature 'SumLargest' is_atom_convex(object) ## S4 method for signature 'SumLargest' is_atom_concave(object) ## S4 method for signature 'SumLargest' is_incr(object, idx) ## S4 method for signature 'SumLargest' is_decr(object, idx) ## S4 method for signature 'SumLargest' get_data(object) ## S4 method for signature 'SumLargest' .grad(object, values)
x |
An Expression or numeric matrix. |
k |
The number of largest values to sum over. |
object |
A SumLargest object. |
values |
A list of numeric values for the arguments |
idx |
An index into the atom. |
to_numeric: The sum of the k largest entries of the vector or matrix.
validate_args: Check that k is a positive integer.
dim_from_args: The atom is a scalar.
sign_from_args: The sign of the atom.
is_atom_convex: The atom is convex.
is_atom_concave: The atom is not concave.
is_incr: The atom is weakly increasing in every argument.
is_decr: The atom is not weakly decreasing in any argument.
get_data: A list containing k.
.grad: Gives the (sub/super)gradient of the atom w.r.t. each variable
xAn Expression or numeric matrix.
kThe number of largest values to sum over.
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