1.3 KiB
1.3 KiB
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(500)) // 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]