3.7.2 Getting Pieces of Matrices

Ways to get pieces of matrices.

Matrices in Mathematica are represented as lists of lists. You can use all the standard Mathematica list-manipulation operations on matrices.

Here is a sample matrix.

In[1]:=

Out[1]=

This picks out the second row of the matrix.

In[2]:=

Out[2]=

Here is the second column of the matrix.

In[3]:=

Out[3]=

This picks out a submatrix.

In[4]:=

Out[4]=