32 lines
965 B
Mathematica
32 lines
965 B
Mathematica
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function sys = semivar(varargin)
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%SEMIVAR Create semicontinuous variable
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%
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% SEMIVAR works exactly as SDPVAR, with the only difference that
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% the elements in the variable automatically will be constrained
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% to be semicontinous (x = 0 or [L <= x <= U])
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%
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% Thwe lower and upper bounds are defined separately.
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%
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% See also SDPVAR, BINVAR, INTVAR, BINARY, INTEGER
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all_variable_names = 1;
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i = 1;
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while all_variable_names & i<=nargin
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all_variable_names = all_variable_names & isvarname(varargin{i});
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i = i + 1;
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end
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if all_variable_names
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for k = 1:nargin
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varname = varargin{k};
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assignin('caller',varname,semivar(1,1));
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end
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else
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sys = sdpvar(varargin{:});
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if isa(sys,'cell')
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for i = 1:length(sys)
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yalmip('setsemicontvariables',[yalmip('semicontvariables') getvariables(sys{i})]);
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end
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else
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yalmip('setsemicontvariables',[yalmip('semicontvariables') getvariables(sys)]);
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end
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end
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