Vocabularymath.
matricesInputsOutputsWord descriptionTranspose the input matrix over its 
main-diagonal. The main diagonal itself is preserved, whereas the anti-diagonal is reversed.
Notes| •  | This word is an alias for flip, so that it may be recognised as the common mathematical operation. | 
| •  | This word is the opposite variant of anti-transpose. | 
ExamplesUSING: math.matrices sequences prettyprint ;
5 <iota> <anti-diagonal-matrix> transpose .
{
    { 0 0 0 0 4 }
    { 0 0 0 3 0 }
    { 0 0 2 0 0 }
    { 0 1 0 0 0 }
    { 0 0 0 0 0 }
}
Definition