linalg : 行列ノルムの例を修正 (#1233)

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

Author: sukeya

reference/linalg/matrix_frob_norm.md

@@ -78,9 +78,9 @@ int main()
   constexpr size_t M = 4;
   constexpr size_t N = 4;
 
-  std::array<double, M * N> vec;
+  std::array<double, M * N> mat;
 
-  std::mdspan v(vec.data(), M, N);
+  std::mdspan A(mat.data(), M, N);
 
   for(int i = 0; i < A.extent(0); ++i) {
     for(int j = 0; j < A.extent(1); ++j) {
@@ -100,10 +100,10 @@ int main()
 
 ### 出力
 ```
-1.2636
-1.2636
-1.25871
-1.25871
+1.58781
+1.58781
+1.58435
+1.58435
 ```
 
 

reference/linalg/matrix_one_norm.md

@@ -81,9 +81,9 @@ int main()
   constexpr size_t M = 4;
   constexpr size_t N = 4;
 
-  std::array<double, M * N> vec;
+  std::array<double, M * N> mat;
 
-  std::mdspan v(vec.data(), M, N);
+  std::mdspan A(mat.data(), M, N);
 
   for(int i = 0; i < A.extent(0); ++i) {
     for(int j = 0; j < A.extent(1); ++j) {