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Diffstat (limited to 'macros/lsqnonneg.sci')
| -rw-r--r-- | macros/lsqnonneg.sci | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/macros/lsqnonneg.sci b/macros/lsqnonneg.sci index 5f6ffa2..80ec92a 100644 --- a/macros/lsqnonneg.sci +++ b/macros/lsqnonneg.sci @@ -1,13 +1,13 @@ // Copyright (C) 2015 - IIT Bombay - FOSSEE // -// Author: Harpreet Singh -// Organization: FOSSEE, IIT Bombay -// Email: harpreet.mertia@gmail.com // This file must be used under the terms of the CeCILL. // This source file is licensed as described in the file COPYING, which // you should have received as part of this distribution. The terms // are also available at // http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt +// Author: Harpreet Singh +// Organization: FOSSEE, IIT Bombay +// Email: toolbox@scilab.in function [xopt,resnorm,residual,exitflag,output,lambda] = lsqnonneg (varargin) @@ -23,10 +23,10 @@ function [xopt,resnorm,residual,exitflag,output,lambda] = lsqnonneg (varargin) // d : a vector of double, represents the additive constant term in the expression C*x - d. Number of elements in d is equal to the number of rows in C matrix. // xopt : a vector of double, the computed solution of the optimization problem. // resnorm : a double, objective value returned as the scalar value norm(C*x-d)^2. - // residual : a vector of double, solution residuals returned as the vector C*x-d. - // exitflag : Integer identifying the reason the algorithm terminated. It could be 0, 1 or 2 i.e. Optimal, Maximum Number of Iterations Exceeded, CPU time exceeded. + // residual : a vector of double, solution residuals returned as the vector d-C*x. + // exitflag : A flag showing returned exit flag from Ipopt. It could be 0, 1 or 2 etc. i.e. Optimal, Maximum Number of Iterations Exceeded, CPU time exceeded. Other flags one can see in the lsqlin macro. // output : Structure containing information about the optimization. This version only contains number of iterations. - // lambda : Structure containing the Lagrange multipliers at the solution x. It contains lower and upper bound multiplier. + // lambda : Structure containing the Lagrange multipliers at the solution xopt. It contains lower, upper bound multiplier and linear equality, inequality constraint multiplier. // // Description // Solves nonnegative least-squares curve fitting problems specified by : @@ -43,16 +43,16 @@ function [xopt,resnorm,residual,exitflag,output,lambda] = lsqnonneg (varargin) // // Examples // // A basic lsqnonneg problem - // C = [ - // 0.0372 0.2869 - // 0.6861 0.7071 - // 0.6233 0.6245 - // 0.6344 0.6170]; - // d = [ - // 0.8587 - // 0.1781 - // 0.0747 - // 0.8405]; + // C = [1 1 1; + // 1 1 0; + // 0 1 1; + // 1 0 0; + // 0 0 1] + // d = [89; + // 67; + // 53; + // 35; + // 20;] // [xopt,resnorm,residual,exitflag,output,lambda] = lsqnonneg(C,d) // Authors // Harpreet Singh |