ayaafarag's articles:

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(Dual) quasi newton 0 25 (5/20/2011 1:57:00 PM) comp.soft-sys.sas Can any one direct me to read papers about (Dual) quasi newton algorithm that is used when running the CALL NLPQN code, as I need to understand this algorithm ... ayaa

help in CALL NLPQN inside PROC IML 0 319 (3/24/2011 7:56:56 PM) comp.soft-sys.sas proc iml; start fun(K); f = sumf; sumf=0; do i = 1 to 3; sumf = sumf + (estvar*lambda[i])+ (g[i]* k)**2 /(lambda[i]+ k)**2; end; return (f); finish fun; start con(k); c=j(4,1,0); sumc1=0; do i =... ayaa

Call NLPQN 0 207 (3/17/2011 11:20:38 PM) comp.soft-sys.sas I have three questions, would you please help me in them: 1. How can I use each column of a certain matrix as if it is a column vector instead of being column in a matrix? 2. Here is a nonlinear programmin... ayaa

Using vectors in single NLP constraint inside proc iml with call statement 0 27 (3/16/2011 10:18:33 PM) comp.lang.c I have two variables that are stored in a data set and also are stored as matrices and vectors. I want to formulate only one constraint that is a function of all the data set's observations (or elements of thes... ayaa

Using vectors in single NLP constraint inside proc iml with call statement 0 19 (3/15/2011 7:15:19 PM) comp.lang.python I have two variables that are stored in a data set and also are stored as matrices and vectors. I want to formulate only one constraint that is a function of all the data set's observations (or elements of thes... ayaa

Using vectors in single NLP constraint inside proc iml with call statement 0 15 (3/15/2011 7:01:51 PM) comp.theory I have two variables that are stored in a data set and also are stored as matrices and vectors. I want to formulate only one constraint that is a function of all the elements of these vectors and a decision var... ayaa

Using dataset in single NLP constraint inside proc iml and call nlpqn 0 19 (3/15/2011 6:16:23 PM) comp.soft-sys.sas I want to include an optimization model inside proc iml statements, but I think this can't be done using proc optmodel so instead can you help me in the following: I have two variables that are stored in a dat... ayaa

Using vectors in single NLP constraint inside proc iml 0 17 (3/14/2011 10:51:15 PM) comp.soft-sys.sas I have two variables that are stored in a data set and are stored as matrices and vectors and I want to formulate only one constraint (under optmodel) that is a function of all the data set's observations (or... ayaa

Proc optmodel inside simulation runs 0 19 (3/11/2011 9:24:48 PM) comp.soft-sys.sas How to include proc optmodel code inside simulation runs or inside do statement ? ... ayaa

Creating constraints of NLP optmodel using dataset observations 0 281 (11/14/2010 9:12:47 AM) comp.soft-sys.sas How to can I use elements of a stored dataset to build constraints of a nonlinear programming model? ... ayaa