diff --git a/labo01/Matrix.h b/labo01/Matrix.h
index 378e016..345dba4 100644
--- a/labo01/Matrix.h
+++ b/labo01/Matrix.h
@@ -66,7 +66,7 @@ namespace gti320 {
 
             for (int col = 0; col < this->cols(); col++) {
                 for (int row = 0; row < this->rows(); row++) {
-                    this(col, row) = submatrix(col, row);
+                    this(row, col) = submatrix(row, col);
                 }
             }
             return *this;
@@ -76,7 +76,7 @@ namespace gti320 {
          * Accesseur à une entrée de la matrice (lecture seule)
          */
         _Scalar operator()(int i, int j) const {
-            int index = i * this->rows() + j;
+            int index = i + j * this->rows();
             return this->m_storage.data()[index];
         }
 
@@ -84,7 +84,7 @@ namespace gti320 {
          * Accesseur à une entrée de la matrice (lecture ou écriture)
          */
         _Scalar &operator()(int i, int j) {
-            int index = i * this->rows() + j;
+            int index = i + j * this->rows();
             return this->m_storage.data()[index];
         }
 
@@ -111,7 +111,7 @@ namespace gti320 {
             auto transposed = Matrix<_OtherScalar, _OtherRows, _OtherCols, _OtherStorage>(this->cols(), this->rows());
             for (int col = 0; col < this->cols(); col++) {
                 for (int row = 0; row < this->rows(); row++) {
-                    transposed(row, col) = (*this)(col, row);
+                    transposed(col, row) = (*this)(row, col);
                 }
             }
             return transposed;
@@ -172,7 +172,7 @@ namespace gti320 {
 
             for (int row = 0; row < this->rows(); row++) {
                 for (int col = 0; col < this->cols(); col++) {
-                    this(col, row) = submatrix(col, row);
+                    this(row, col) = submatrix(row, col);
                 }
             }
             return *this;
@@ -182,7 +182,7 @@ namespace gti320 {
          * Accesseur à une entrée de la matrice (lecture seule)
          */
         _Scalar operator()(int i, int j) const {
-            int index = i + j * this->cols();
+            int index = i * this->cols() + j;
             return this->m_storage.data()[index];
         }
 
@@ -190,7 +190,7 @@ namespace gti320 {
          * Accesseur à une entrée de la matrice (lecture ou écriture)
          */
         _Scalar &operator()(int i, int j) {
-            int index = i + j * this->cols();
+            int index = i * this->cols() + j;
             return this->m_storage.data()[index];
         }
 
@@ -217,7 +217,7 @@ namespace gti320 {
 
             for (int row = 0; row < this->rows(); row++) {
                 for (int col = 0; col < this->cols(); col++) {
-                    t(row, col) = (*this)(col, row);
+                    t(col, row) = (*this)(row, col);
                 }
             }
 
@@ -310,7 +310,7 @@ namespace gti320 {
 
             for (int col = 0; col < this->cols(); col++) {
                 for (int row = 0; row < this->rows(); row++) {
-                    (*this)(col, row) = matrix(col, row);
+                    (*this)(row, col) = matrix(row, col);
                 }
             }
 
@@ -362,7 +362,7 @@ namespace gti320 {
 
             for (int col = 0; col < this->cols(); col++) {
                 for (int row = 0; row < this->rows(); row++) {
-                    t(row, col) = (*this)(col, row);
+                    t(col, row) = (*this)(row, col);
                 }
             }
 
diff --git a/labo01/Operators.h b/labo01/Operators.h
index 64c6b28..615770f 100644
--- a/labo01/Operators.h
+++ b/labo01/Operators.h
@@ -32,7 +32,7 @@ namespace gti320 {
         for (int col = 0; col < B.cols(); col++) {
             for (int row = 0; row < A.rows(); row++) {
                 for (int k = 0; k < A.cols(); k++) {
-                    result(col, row) += A(k, row) * B(col, k);
+                    result(row, col) += A(row, k) * B(k, col);
                 }
             }
         }
@@ -57,7 +57,7 @@ namespace gti320 {
         for (int col = 0; col < A.cols(); col++) {
             for (int row = 0; row < B.rows(); row++) {
                 for (int k = 0; k < B.cols(); k++) {
-                    result(k, row) += A(col, row) * B(k, col);
+                    result(row, k) += A(row, col) * B(col, k);
                 }
             }
         }
@@ -82,7 +82,7 @@ namespace gti320 {
         for (int col = 0; col < B.cols(); col++) {
             for (int row = 0; row < A.rows(); row++) {
                 for (int k = 0; k < A.cols(); k++) {
-                    result(col, row) += A(k, row) * B(col, k);
+                    result(row, col) += A(row, k) * B(k, col);
                 }
             }
         }
@@ -127,7 +127,7 @@ namespace gti320 {
 
         for (int col = 0; col < A.cols(); col++) {
             for (int row = 0; row < A.rows(); row++) {
-                result(row, col) = A(row, col) + B(row, col);
+                result(col, row) = A(col, row) + B(col, row);
             }
         }
 
diff --git a/labo01/main.cpp b/labo01/main.cpp
index 45782f1..e48c202 100644
--- a/labo01/main.cpp
+++ b/labo01/main.cpp
@@ -224,31 +224,11 @@ TEST(TestLabo1, MatrixMatrixOperators) {
     {
         // Création d'un matrice à stockage par lignes
         Matrix<double, Dynamic, Dynamic, RowStorage> A(5, 5);
-        A(0, 0) = 0.8147;
-        A(0, 1) = 0.0975;
-        A(0, 2) = 0.1576;
-        A(0, 3) = 0.1419;
-        A(0, 4) = 0.6557;
-        A(1, 0) = 0.9058;
-        A(1, 1) = 0.2785;
-        A(1, 2) = 0.9706;
-        A(1, 3) = 0.4218;
-        A(1, 4) = 0.0357;
-        A(2, 0) = 0.1270;
-        A(2, 1) = 0.5469;
-        A(2, 2) = 0.9572;
-        A(2, 3) = 0.9157;
-        A(2, 4) = 0.8491;
-        A(3, 0) = 0.9134;
-        A(3, 1) = 0.9575;
-        A(3, 2) = 0.4854;
-        A(3, 3) = 0.7922;
-        A(3, 4) = 0.9340;
-        A(4, 0) = 0.6324;
-        A(4, 1) = 0.9649;
-        A(4, 2) = 0.8003;
-        A(4, 3) = 0.9595;
-        A(4, 4) = 0.6787;
+        A(0, 0) = 0.8147;   A(0, 1) = 0.0975;   A(0, 2) = 0.1576;   A(0, 3) = 0.1419;   A(0, 4) = 0.6557;
+        A(1, 0) = 0.9058;   A(1, 1) = 0.2785;   A(1, 2) = 0.9706;   A(1, 3) = 0.4218;   A(1, 4) = 0.0357;
+        A(2, 0) = 0.1270;   A(2, 1) = 0.5469;   A(2, 2) = 0.9572;   A(2, 3) = 0.9157;   A(2, 4) = 0.8491;
+        A(3, 0) = 0.9134;   A(3, 1) = 0.9575;   A(3, 2) = 0.4854;   A(3, 3) = 0.7922;   A(3, 4) = 0.9340;
+        A(4, 0) = 0.6324;   A(4, 1) = 0.9649;   A(4, 2) = 0.8003;   A(4, 3) = 0.9595;   A(4, 4) = 0.6787;
 
         // Test : transposée (le résultat est une matrice à stockage par
         //        colonnes)
@@ -598,7 +578,7 @@ TEST(TestLabo1, Supplementaires) {
                 expected = 1;
             }
 
-            EXPECT_EQ(MC(col, row), expected);
+            EXPECT_EQ(MC(row, col), expected);
         }
     }
 
@@ -632,7 +612,7 @@ TEST(TestLabo1, Supplementaires) {
     MC(1, 0) = 5;
     MC(0, 1) = 6;
     EXPECT_EQ(MC.data()[0], MC(0, 0));
-    EXPECT_EQ(MC.data()[1], MC(0, 1));
+    EXPECT_EQ(MC.data()[1], MC(1, 0));
 
     // Test 9: Stockage par rangée
     Matrix<int, -1, -1, RowStorage> MS(4, 6);
@@ -640,7 +620,7 @@ TEST(TestLabo1, Supplementaires) {
     MS(1, 0) = 5;
     MS(0, 1) = 6;
     EXPECT_EQ(MS.data()[0], MS(0, 0));
-    EXPECT_EQ(MS.data()[1], MS(1, 0));
+    EXPECT_EQ(MS.data()[1], MS(0, 1));
 
     // === Vecteurs ===
     // Test 10: Copie