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-rw-r--r--math/algebra12
-rw-r--r--math/tensors2
2 files changed, 7 insertions, 7 deletions
 diff --git a/math/algebra b/math/algebraindex 96197ff..d43a59a 100644--- a/math/algebra+++ b/math/algebra@@ -6,42 +6,42 @@ Algebra .. list-table:: Closure of binary operators on given sets of numbers - * Operation+ * - Operation - :latex:$+$ - :latex:$\times$ - :latex:$-$ - :latex:$\divide$ - :latex:$^$ - :latex:$\sqrt{\text{ }}$- * Positive Integers+ * - Positive Integers - Y - Y - N - N - Y - N- * Positive rationals+ * - Positive rationals - Y - Y - N - Y - Y - N- * Rationals (and zero)+ * - Rationals (and zero) - Y - Y - Y - Y - Y - N- * Reals wrt positive integers+ * - Reals wrt positive integers - Y - Y - Y - Y - Y - Y- * Complex numbers+ * - Complex numbers - Y - Y - Ydiff --git a/math/tensors b/math/tensorsindex e15270a..d46810e 100644--- a/math/tensors+++ b/math/tensors@@ -46,7 +46,7 @@ as an example for a rank-3 tensor: Even a regular vector is a tensor: pass it a second vector and take the inner product (aka dot product) to get a real. -Define the **metric tensor ** +Define the **metric tensor** :m:$\bold{g}(\vector{A}, \vector{B}) = \vector{A} \cdot \vector{B}$. The metric tensor is rank two and symetric (the vectors A and B could be swapped without changing the scalar output value) and is the same as the inner product.