The SymbolicQuadForm class.
The SymbolicQuadForm class.
SymbolicQuadForm(x, P, expr) ## S4 method for signature 'SymbolicQuadForm' dim_from_args(object) ## S4 method for signature 'SymbolicQuadForm' sign_from_args(object) ## S4 method for signature 'SymbolicQuadForm' get_data(object) ## S4 method for signature 'SymbolicQuadForm' is_atom_convex(object) ## S4 method for signature 'SymbolicQuadForm' is_atom_concave(object) ## S4 method for signature 'SymbolicQuadForm' is_incr(object, idx) ## S4 method for signature 'SymbolicQuadForm' is_decr(object, idx) ## S4 method for signature 'SymbolicQuadForm' is_quadratic(object) ## S4 method for signature 'SymbolicQuadForm' .grad(object, values)
x |
An Expression or numeric vector. |
P |
An Expression, numeric matrix, or vector. |
expr |
The original Expression. |
object |
A SymbolicQuadForm object. |
idx |
An index into the atom. |
values |
A list of numeric values for the arguments |
dim_from_args: The dimensions of the atom.
sign_from_args: The sign (is positive, is negative) of the atom.
get_data: The original expression.
is_atom_convex: Is the original expression convex?
is_atom_concave: Is the original expression concave?
is_incr: Is the original expression weakly increasing in argument idx?
is_decr: Is the original expression weakly decreasing in argument idx?
is_quadratic: The atom is quadratic.
.grad: Gives the (sub/super)gradient of the atom w.r.t. each variable
xAn Expression or numeric vector.
PAn Expression, numeric matrix, or vector.
original_expressionThe original Expression.
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