| argmax | Row/Column Max/Min Indices |
| argmin | Row/Column Max/Min Indices |
| atleast_2d | View Input as an Array with at Least Two Dimensions. |
| bmat | Block Matrices |
| clip | Clip Values |
| clip.default | Clip Values |
| dmat | Data Frames |
| eye | Identity Matrix |
| falses | Fill a Matrix |
| fill | Fill a Matrix |
| flatten | Flatten Matrices/Arrays |
| hcat | Concatenate Matrices |
| inv | Matrix Inverse |
| is.tril | Lower Triangular Matrix Test |
| is.triu | Upper Triangular Matrix Test |
| linspace | Linearly-spaced Elements |
| logspace | Logarithmically-spaced Elements |
| mat | Matrices |
| mat.character | Matrices |
| mat.default | Matrices |
| mat.list | Matrices |
| matrix_rank | Matrix Rank |
| matrix_rank.data.frame | Matrix Rank |
| matrix_rank.default | Matrix Rank |
| matrix_rank.matrix | Matrix Rank |
| meshgrid | Rectangular 2-D Grid |
| ones | Fill a Matrix |
| pprint | Pretty Printing |
| pprint.data.frame | Pretty Printing |
| pprint.matrix | Pretty Printing |
| rand | Matrix/Array of Uniform Random Numbers |
| randi | Matrix/Array of Uniform Random Integers |
| randn | Matrix/Array of Normal Random Numbers |
| repmat | Repeat Vectors and Matrices |
| resize | Resize Matrices and Arrays |
| size | Dimensions of a Matrix/Array |
| tr | Trace of a Matrix |
| tri | Lower/Upper Triangular Matrix |
| tril | Extract Lower Triangular Matrix |
| triu | Extract Upper Triangular Matrix |
| trues | Fill a Matrix |
| vcat | Concatenate Matrices |
| zeros | Fill a Matrix |