Originally posted by: 18125514

Convective transport appears in the results

i point has goods shipped to l point

l point has the same goods shipped to i point

However, that does not meet the principle of minimum cost.

code show as below：

Thanks very much.

It seems this is the exact same question as here?

Please avoid posting the same question to different forums here, and if you do so, please at least cross-reference them.