Function isFinite #
Test whether a value is finite.
Operates elementwise on Array and Matrix values. To test if all entries of an Array or Matrix are finite, use isBounded.
Syntax #
math.isFinite(x)
Parameters #
| Parameter | Type | Description |
|---|---|---|
x |
number | BigNumber | bigint | Complex | Fraction | Unit | Array | Matrix | Value to be tested |
Returns #
| Type | Description |
|---|---|
| boolean | Array | Matrix |
Throws #
Type | Description —- | ———–
Examples #
math.isFinite(0) // returns true
math.isFinite(NaN) // returns false
math.isFinite(math.bignumber(Infinity)) // returns false
math.isFinite(math.fraction(1,3)) // returns true
math.isFinite(math.complex('2 - 4i')) // returns true
math.isFinite(-10000000000000000n) // returns true
math.isFinite(undefined) // returns false
math.isFinite(null) // returns false
math.isFinite([0.001, -3n, 0]) // Array [true, true, true]
math.isFinite([2, -Infinity, -3]) // Array [true, false, true]
