sonarfix: Remove transient keyword from non-Serializable class

commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/analysis/differentiation/DerivativeStructure.java

@@ -59,7 +59,7 @@ import org.apache.commons.math4.legacy.core.MathArrays;
  */
 public class DerivativeStructure implements RealFieldElement<DerivativeStructure> {
     /** Compiler for the current dimensions. */
-    private transient DSCompiler compiler;
+    private DSCompiler compiler;
 
     /** Combined array holding all values. */
     private final double[] data;

commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/optim/linear/LinearConstraint.java

@@ -41,7 +41,7 @@ import org.apache.commons.math4.legacy.linear.RealVector;
  */
 public class LinearConstraint {
     /** Coefficients of the constraint (left hand side). */
-    private final transient RealVector coefficients;
+    private final RealVector coefficients;
     /** Relationship between left and right hand sides {@code (=, <=, >=)}. */
     private final Relationship relationship;
     /** Value of the constraint (right hand side). */

commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/optim/linear/LinearObjectiveFunction.java

@@ -37,7 +37,7 @@ public class LinearObjectiveFunction
     implements MultivariateFunction,
                OptimizationData {
     /** Coefficients of the linear equation (c<sub>i</sub>). */
-    private final transient RealVector coefficients;
+    private final RealVector coefficients;
     /** Constant term of the linear equation. */
     private final double constantTerm;
 

commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/optim/linear/SimplexTableau.java

@@ -94,7 +94,7 @@ class SimplexTableau {
     private final List<String> columnLabels = new ArrayList<>();
 
     /** Simple tableau. */
-    private transient Array2DRowRealMatrix tableau;
+    private Array2DRowRealMatrix tableau;
 
     /** Number of decision variables. */
     private final int numDecisionVariables;