関連ワード:  how to add a matrix in google docs    how to create a matrix in google docs    how to add matrices in google docs    how to insert a 3x3 matrix in google docs    how to insert a 2x2 matrix in google docs    how to create a matrix in google sheets    how to insert matrices in google docs    how to create matrices in google docs    how to add matrices in google sheets    how to create a correlation matrix in google sheets