# Function deepEqual Test element wise whether two matrices are equal. The function accepts both matrices and scalar values. Strings are compared by their numerical value. ## Syntax ```js math.deepEqual(x, y) ``` ### Parameters Parameter | Type | Description --------- | ---- | ----------- `x` | number | BigNumber | Fraction | Complex | Unit | Array | Matrix | First matrix to compare `y` | number | BigNumber | Fraction | Complex | Unit | Array | Matrix | Second matrix to compare ### Returns Type | Description ---- | ----------- number | BigNumber | Fraction | Complex | Unit | Array | Matrix | Returns true when the input matrices have the same size and each of their elements is equal. ### Throws Type | Description ---- | ----------- ## Examples ```js math.deepEqual(2, 4) // returns false a = [2, 5, 1] b = [2, 7, 1] math.deepEqual(a, b) // returns false math.equal(a, b) // returns [true, false, true] ``` ## See also [equal](equal.md), [unequal](unequal.md)