Function isNumeric
Test whether a value is an numeric value.
The function is evaluated element-wise in case of Array or Matrix input.
Syntax
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. |
Examples
isNumeric(2); // returns true
isNumeric(0); // returns true
isNumeric(bignumber(500)); // returns true
isNumeric(fraction(4)); // returns true
isNumeric(complex('2-4i'); // returns false
isNumeric('3'); // returns false
isNumeric([2.3, 'foo', false]); // returns [true, false, true]