Diagonal function

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Namespace: Microsoft.Quantum.Arrays

Package: Microsoft.Quantum.Standard

Returns an array of diagonal elements of a 2-dimensional array

function Diagonal<'T> (matrix : 'T[][]) : 'T[]

Description

If the 2-dimensional array has not a square shape, the diagonal over the minimum over the number of rows and columns will be returned.

Input

matrix : 'T[][]

2-dimensional matrix in row-wise order

Output : 'T[]

Type Parameters

'T

The type of each element of matrix.

Example

let matrix = [[1, 2, 3], [4, 5, 6], [7, 8, 9]];
let diagonal = Diagonal(matrix);
// same as: column = [1, 5, 9]

See Also