Function isMatrix

isMatrix(x: unknown): x is number[][]
Determines whether the provided value is a numeric matrix.

In mathematics, a matrix is a rectangular array of numbers or other mathematical objects with elements or entries arranged in rows and columns.

From Wikipedia (https://en.wikipedia.org/wiki/Matrix_(mathematics)).
Parameters
- x: unknown
  The value to validate.
Returns x is number[][]
true if the value is an array of number arrays.
Remarks
A value is considered a matrix if:
- it is an array
- every element is an array
- every nested value is a number
Examples

Value Result

[] false

[[]] true

[[1, 2], [3, 4]] true

[[1], [2], [3]] true

[[1], [2, 3]] false

[[1], ['a']] false

[1, 2] false

{} false
Since
1.1

See
is2DArray
- Defined in builtins/array.ts:651