The WORK library is ephemeral, it only exists within the context of a SAS session and is removed when that session terminates. If enabled, you can upload files to the server in SAS Studio, but this would be to a specific path and not the temporary WORK location.
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Firstly, thank you. I am currently using SAS/OR version 15.1. However, I have reached the result 1152546.4807, which you also found, by increasing the 'opttol' value from the Solver options. solve with nlp / opttol = 0.000000000001; Thanks again.
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