26 lines
736 B
Mathematica
26 lines
736 B
Mathematica
|
|
function varargout=beta(varargin)
|
||
|
|
%BETA (overloaded)
|
||
|
|
|
||
|
|
switch class(varargin{1})
|
||
|
|
|
||
|
|
case 'sdpvar'
|
||
|
|
if ~isa(varargin{2},'double')
|
||
|
|
error('W is not allowed to be an SDPVAR object')
|
||
|
|
end
|
||
|
|
varargout{1} = InstantiateElementWise(mfilename,varargin{:});
|
||
|
|
|
||
|
|
case 'char'
|
||
|
|
|
||
|
|
X = varargin{3};
|
||
|
|
F = (X >= eps);
|
||
|
|
operator = struct('convexity','convex',...
|
||
|
|
'monotonicity','decreasing',...
|
||
|
|
'definiteness','positive',...
|
||
|
|
'model','callback');
|
||
|
|
varargout{1} = F;
|
||
|
|
varargout{2} = operator;
|
||
|
|
varargout{3} = varargin{3};
|
||
|
|
|
||
|
|
otherwise
|
||
|
|
error('Strange type on first argument in SDPVAR/BETA');
|
||
|
|
end
|