23 lines
611 B
Mathematica
23 lines
611 B
Mathematica
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function varargout = sec(varargin)
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%SEC (overloaded)
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switch class(varargin{1})
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case 'double'
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error('Overloaded SDPVAR/SEC CALLED WITH DOUBLE. Report error')
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case 'sdpvar'
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varargout{1} = InstantiateElementWise(mfilename,varargin{:});
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case 'char'
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operator = struct('convexity','none','monotonicity','none','definiteness','none','model','callback');
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operator.derivative = @(x)(tan(x).*sec(x));
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varargout{1} = [];
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varargout{2} = operator;
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varargout{3} = varargin{3};
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otherwise
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error('SDPVAR/SEC called with CHAR argument?');
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end
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