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MATLAB: How do you find the lagrange multipliers 
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#1
Jul2512, 08:08 PM

P: 161

When I try to solve a linear program using matlab,after using linprog(f,A,b,...) I can find the Lagrange multiplier associated with the inequality constraints and the lower bound constraints by using:
lambda.ineqlin ; lambda.lower But if I want to solve a quadratic program (using quadprog(H,f,A,b,...)), then how do I find the Lagrange multipliers? I can see that to find the solution, you can use: [x,feval,exitflag,output,lambda]=quadprog(H,f,A,b,...), but the result for lambda, which I thought would give me the Lagrange multipliers, instead, itgives me a list of matrices sizes. I don't understand that result for lambda. How do I find the Lagrange multipliers for a quadratic program in Matlab? 


#2
Jul2612, 01:02 AM

P: 4,573



#3
Jul2612, 05:13 PM

P: 161

Thanks!!



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