Pull Request changes

Author: 21kondav

src/main/java/com/thealgorithms/matrix/SolveSystem.java

@@ -42,10 +42,8 @@ public static double[] solveSystem(double[][] matrix, double[] constants) {
             double tempConst = constants[k];
             constants[k] = constants[maxIdx];
             constants[maxIdx] = tempConst;
-
             for (int i = k + 1; i < matrix.length; i++) {
                 // compute multipliers and save them in the column
-
                 matrix[i][k] /= matrix[k][k];
                 for (int j = k + 1; j < matrix.length; j++) {
                     matrix[i][j] -= matrix[i][k] * matrix[k][j];

src/test/java/com/thealgorithms/matrix/SolveSystemTest.java

@@ -1,25 +1,21 @@
 package com.thealgorithms.matrix;
 
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+
+import java.util.stream.Stream;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
 
-import java.util.stream.Stream;
-
-import static org.junit.jupiter.api.Assertions.assertArrayEquals;
-
 class SolveSystemTest {
 
     @ParameterizedTest
     @MethodSource({"matrixGenerator"})
     void solveSystem(double[][] matrix, double[] constants, double[] solution) {
-
         double[] expected = SolveSystem.solveSystem(matrix, constants);
         assertArrayEquals(expected, solution, 1.0E-10, "Solution does not match expected");
     }
-
     private static Stream<Arguments> matrixGenerator() {
-
         return Stream.of(Arguments.of(new double[][] {{-5, 8, -4}, {0, 6, 3}, {0, 0, -4}}, new double[] {38, -9, 20}, new double[] {-2, 1, -5}), Arguments.of(new double[][] {{-2, -1, -1}, {3, 4, 1}, {3, 6, 5}}, new double[] {-11, 19, 43}, new double[] {2, 2, 5}));
     }
 }