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   A conjugate gradient type method for the nonnegative constraints optimization problems  
   
نویسنده li c.
منبع journal of applied mathematics - 2013 - دوره : 2013 - شماره : 0
چکیده    We are concerned with the nonnegative constraints optimization problems. it is well known that the conjugate gradient methods are efficient methods for solving large-scale unconstrained optimization problems due to their simplicity and low storage. combining the modified polak-ribière-polyak method proposed by zhang,zhou,and li with the zoutendijk feasible direction method,we proposed a conjugate gradient type method for solving the nonnegative constraints optimization problems. if the current iteration is a feasible point,the direction generated by the proposed method is always a feasible descent direction at the current iteration. under appropriate conditions,we show that the proposed method is globally convergent. we also present some numerical results to show the efficiency of the proposed method. © 2013 can li.
آدرس college of mathematics,honghe university, China
 
     
   
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