linalg : 例の修正とコードの整理 (#1233)

Signed-off-by: Yuya Asano <64895419+sukeya@users.noreply.github.com>

Author: sukeya

reference/linalg/layout_blas_packed.md

@@ -70,7 +70,7 @@ int main()
   // 2 5 -  -
   // 3 6 8  -
   // 4 7 9 10
-  print_mat("mat1", mat);
+  print_mat("mat1", mat1);
 
   // 行優先格納順の下三角要素から4x4対称行列を構築
   std::mdspan<

reference/linalg/matrix_vector_product.md

@@ -64,7 +64,7 @@ namespace std::linalg {
 
 
 ## 事前条件
-- (1), (2), (3), (4): [`multipliable`](multipliable.md)`(A,x,y) == true`
+- (1), (2), (3), (4): [`multipliable`](multipliable.md)`(A, x, y) == true`
 - (3), (4): [`addable`](addable.md)`(x, y, z) == true`
 
 
@@ -123,10 +123,10 @@ int main()
   }
 
   for(int j = 0; j < x.extent(0); ++j) {
-    x[j] = 1.0 * j;
+    x[j] = j;
   }
   for(int i = 0; i < y.extent(0); ++i) {
-    y[i] = -1.0 * i;
+    y[i] = -i;
   }
 
   // (1)