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Mathematical Optimization
| Date | Title | Type | ||
|---|---|---|---|---|
| 11/4/09 |
36901 - A write access violation occurs when you estimate key performance indications for a network with nodes that have zero demand A write access violation occurs while estimating key performance indications with the OBJECTIVE=PREDICTKPI option on the PROC MIRP statement for a network with nodes that have zero demand. To circumvent this issue, ... http://support.sas.com/kb/36/901.html, 19KB |
Problem Note | ||
| 10/20/09 |
37372 - A Bus Error occurs when specifying the optimization problem in the OPTMODEL modeling language The following Bus Error will occur if an indexed set contains a tuple of length 7 or greater when specifying the optimization problem in the OPTMODEL modeling language: Bus Error In Task [ OPTMODEL ] To work around ... http://support.sas.com/kb/37/372.html, 17KB |
Problem Note | ||
| 8/21/09 |
36453 - How to import and assess outside modeling techniques using SASŪ Enterprise Miner(tm) This video shows an example of how to import a non-supplied model into SAS Enterprise Miner and be able to assess it with other models. http://support.sas.com/kb/36/453.html, 21KB |
Usage Note | ||
| 7/7/09 |
36353 - Optimization fails when range constraints are present and sensitivity analysis is performed An error similar to the following may occur during optimization when sensitivity analysis is preformed on a range constraint: ERROR: The maximum primal infeasibility is 500, which is much greater than the ... http://support.sas.com/kb/36/353.html, 19KB |
Problem Note | ||
| 7/7/09 |
36273 - Deadlock occurs when optimizing a min-max policy with certain periods between replenishments and demand forecast A deadlock may occur when PROC MIRP calculates the optimal difference between the reorder level and the order-up-to level in a min-max policy. The deadlock occurs only for certain periods between replenishments and ... http://support.sas.com/kb/36/273.html, 20KB |
Problem Note | ||
| 7/7/09 |
36448 - IML Studio may fail to start when IML is not licensed IML Studio may fail to start even if SAS is installed locally when IML is not licensed http://support.sas.com/kb/36/448.html, 19KB |
Problem Note | ||
| 5/19/09 |
35688 - Error occurs during optimization if a customer attribute has missing values Upon optimizing, the following error will occur when a customer attribute has missing values: ERROR: Invalid Operation. ERROR: Termination due to Floating Point Exception. There is no circumvention for this ... http://support.sas.com/kb/35/688.html, 19KB |
Problem Note | ||
| 4/9/09 |
35026 - How do I solve a Linear Assignment Problem with PROC OPTMODEL? The Linear Assignment Problem (LASP) is one of the most famous problems in linear programming and in combinatorial optimization. Informally speaking, we are given an n × n cost matrix C = (cij), and we want to ... http://support.sas.com/kb/35/026.html, 80KB |
Usage Note | ||
| 2/16/09 |
34830 - Error when reading data into a set with the READ DATA statement In PROC OPTMODEL, only one pair of brackets are allowed for the read-key-columns on the READ DATA statement. If more than one pair of brackets are declared, the following error message will occur:   ... http://support.sas.com/kb/34/830.html, 21KB |
Usage Note | ||
| 1/16/09 |
6265 - Earlier versions of the REGQUANT.SAS sample program were not coded correctly The version of the REGQUANT.SAS sample program that appeared in the Version 8 (and prior) documentation and the SAS/IML Sample Library produces incorrect results. To get a corrected version of this sample program, go ... http://support.sas.com/kb/6/265.html, 19KB |
Problem Note | ||
