Function isNumeric #
Test whether a value is an numeric value.
The function is evaluated element-wise in case of Array or Matrix input.
Syntax #
math.isNumeric(x)
Parameters #
| Parameter | Type | Description |
|---|---|---|
x |
* | Value to be tested |
Returns #
| Type | Description |
|---|---|
| boolean | Returns true when x is a number, BigNumber, Fraction, or boolean. Returns false for other types. Throws an error in case of unknown types. |
Throws #
Type | Description —- | ———–
Examples #
math.isNumeric(2) // returns true
math.isNumeric('2') // returns false
math.hasNumericValue('2') // returns true
math.isNumeric(0) // returns true
math.isNumeric(math.bignumber('42')) // returns true
math.isNumeric(math.bigint('42')) // returns true
math.isNumeric(math.fraction(4)) // returns true
math.isNumeric(math.complex('2-4i')) // returns false
math.isNumeric([2.3, 'foo', false]) // returns [true, false, true]
