fixed files form Math #42

Spirals-Team · Mar 7, 2017 · da8d02f · da8d02f
1 parent 0e95c8c
commit da8d02f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/projects/Math/42/org/apache/commons/math/optimization/linear/SimplexTableau.java b/projects/Math/42/org/apache/commons/math/optimization/linear/SimplexTableau.java
@@ -407,10 +407,12 @@ protected RealPointValuePair getSolution() {
             continue;
           }
           Integer basicRow = getBasicRow(colIndex);
+          if (basicRow != null && basicRow == 0) {
               // if the basic row is found to be the objective function row
               // set the coefficient to 0 -> this case handles unconstrained 
               // variables that are still part of the objective function
-          if (basicRows.contains(basicRow)) {
+              coefficients[i] = 0;
+          } else if (basicRows.contains(basicRow)) {
               // if multiple variables can take a given value
               // then we choose the first and set the rest equal to 0
               coefficients[i] = 0 - (restrictToNonNegative ? 0 : mostNegative);