領域測定（長さ，面積，体積等）
点の数を数える．
| In[1]:= |  X |
| Out[1]= |  |
弧長を求める．
| In[2]:= |  X |
| Out[2]= |  |
面積を計算する．
| In[3]:= |  X |
| Out[3]= |  |
表面積を計算する．
| In[4]:= |  X |
| Out[4]= |  |
体積を計算する．
| In[5]:= |  X |
| Out[5]= |  |
任意次元の測定値を計算する．
| In[6]:= |  X |
| Out[6]= |  |
Related Examples
Basic Geometric Regions in 1D »
Basic Geometric Regions in 2D »
Basic Geometric Regions in 3D »
Basic Geometric Regions in nD »
Implicitly Defined Curves in 2D »
Parametrically Defined Curves in 2D »
Implicitly Defined Regions in 2D »
Formula Regions in 3D »
Boolean Regions »
Affine Transformation of a Region »
Nonlinear Transformation of a Region »
Cartesian Products of Regions »
Region Measures (Length, Area, Volume, etc.) »
Compute Region Centroids »
Integrate over Regions »
Solve PDEs over a Region »
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