Transform the problem to EQ constrained problem with simple bounds












0












$begingroup$


begin{align}
min && x_1^2 + x_2^2\
s.t. && (x_1 -3)^2+1 leq x_2\
&&x_1-2x_2+2=0\
&&x_2 geq0.5
end{align}



SOLUTION.



begin{align}
min && x_1^2 + x_2^2\
s.t. && (x_1 -3)^2+1 - x_2 +x_3=0\
&&x_1-2x_2+2=0\
&&-x_2 +0.5+x_4=0\
&& 0leq x_i leq infty && for i=1,..4
end{align}



Is this correct










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$endgroup$












  • $begingroup$
    This seems to be the use of slack variables, no ? en.wikipedia.org/wiki/Slack_variable
    $endgroup$
    – Claude Leibovici
    Jan 19 at 15:27
















0












$begingroup$


begin{align}
min && x_1^2 + x_2^2\
s.t. && (x_1 -3)^2+1 leq x_2\
&&x_1-2x_2+2=0\
&&x_2 geq0.5
end{align}



SOLUTION.



begin{align}
min && x_1^2 + x_2^2\
s.t. && (x_1 -3)^2+1 - x_2 +x_3=0\
&&x_1-2x_2+2=0\
&&-x_2 +0.5+x_4=0\
&& 0leq x_i leq infty && for i=1,..4
end{align}



Is this correct










share|cite|improve this question









$endgroup$












  • $begingroup$
    This seems to be the use of slack variables, no ? en.wikipedia.org/wiki/Slack_variable
    $endgroup$
    – Claude Leibovici
    Jan 19 at 15:27














0












0








0





$begingroup$


begin{align}
min && x_1^2 + x_2^2\
s.t. && (x_1 -3)^2+1 leq x_2\
&&x_1-2x_2+2=0\
&&x_2 geq0.5
end{align}



SOLUTION.



begin{align}
min && x_1^2 + x_2^2\
s.t. && (x_1 -3)^2+1 - x_2 +x_3=0\
&&x_1-2x_2+2=0\
&&-x_2 +0.5+x_4=0\
&& 0leq x_i leq infty && for i=1,..4
end{align}



Is this correct










share|cite|improve this question









$endgroup$




begin{align}
min && x_1^2 + x_2^2\
s.t. && (x_1 -3)^2+1 leq x_2\
&&x_1-2x_2+2=0\
&&x_2 geq0.5
end{align}



SOLUTION.



begin{align}
min && x_1^2 + x_2^2\
s.t. && (x_1 -3)^2+1 - x_2 +x_3=0\
&&x_1-2x_2+2=0\
&&-x_2 +0.5+x_4=0\
&& 0leq x_i leq infty && for i=1,..4
end{align}



Is this correct







calculus multivariable-calculus optimization nonlinear-optimization numerical-optimization






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asked Jan 19 at 15:14









Dreamer123Dreamer123

32329




32329












  • $begingroup$
    This seems to be the use of slack variables, no ? en.wikipedia.org/wiki/Slack_variable
    $endgroup$
    – Claude Leibovici
    Jan 19 at 15:27


















  • $begingroup$
    This seems to be the use of slack variables, no ? en.wikipedia.org/wiki/Slack_variable
    $endgroup$
    – Claude Leibovici
    Jan 19 at 15:27
















$begingroup$
This seems to be the use of slack variables, no ? en.wikipedia.org/wiki/Slack_variable
$endgroup$
– Claude Leibovici
Jan 19 at 15:27




$begingroup$
This seems to be the use of slack variables, no ? en.wikipedia.org/wiki/Slack_variable
$endgroup$
– Claude Leibovici
Jan 19 at 15:27










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