35 lines
716 B
Mathematica
35 lines
716 B
Mathematica
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function varargout = acosh(varargin)
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%ACOSH (overloaded)
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switch class(varargin{1})
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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','positive','model','callback');
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operator.convexhull = [];
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operator.bounds = @bounds;
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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/ACOSH called with CHAR argument?');
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end
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function [L,U] = bounds(xL,xU)
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if xU<=-1
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L = acosh(xU);
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U = acosh(xL);
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elseif xL>=1
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L = acosh(xL);
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U = acosh(xU);
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else
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L = -inf;
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U = inf;
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end
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