Update astensor.md

docs/api/functions/astensor.md

@@ -13,7 +13,6 @@ Converts a `Tensor2s` or `Tensor4s` data type to a full tensor storage `Tensor2`
 \boldsymbol{C} = \begin{bmatrix}
     C_{11} & C_{22} & C_{33} & C_{12} & C_{23} & C_{13}
 \end{bmatrix}^T \longrightarrow
-%
 \boldsymbol{C} = \begin{bmatrix}
     C_{11} & C_{12} & C_{13} \\
     C_{12} & C_{22} & C_{23} \\
@@ -26,21 +25,17 @@ Converts a `Tensor2s` or `Tensor4s` data type to a full tensor storage `Tensor2`
      \dots   &  \dots   &  \dots   &  \dots   &  \dots   &  \dots   \\
     A_{1311} & A_{1322} & A_{1333} & A_{1312} & A_{1323} & A_{1313}
 \end{bmatrix}
-
 \longrightarrow \begin{bmatrix}
     A_{1111} & A_{1112} & A_{1113} &
     A_{1121} & A_{1122} & A_{1123} &
     A_{1131} & A_{1132} & A_{1133} \\
-    %
     A_{1211} & A_{1212} & A_{1213} &
     A_{1221} & A_{1222} & A_{1223} &
     A_{1231} & A_{1232} & A_{1233} \\
-    %
     \dots & \dots & \dots & \dots & \dots & \dots & \dots & \dots & \dots \\
     A_{3111} & A_{3112} & A_{3113} &
     A_{3121} & A_{3122} & A_{3123} &
     A_{3131} & A_{3132} & A_{3133}
-    %
 \end{bmatrix} \qquad
 
 Alias: