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# Difference between the methods array_equal and array_equiv in NumPy

schedule Aug 10, 2023
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Both methods `array_equal(~)` and `array_equiv(~)` are similar in that they both return a single Boolean when all the elements in the given arrays are equal pair-wise.

The key difference is that `array_equal` returns True when the shape of the arrays exactly match, whereas `array_equiv` will also return True if the one array can be broadcasted to take on the same shape.

Here's an example:

``` np.array_equiv([1,2], [1,2])   # Truenp.array_equal([1,2], [1,2])   # True `````` np.array_equiv([1,2], [[1,2],[1,2]])   # Truenp.array_equal([1,2], [[1,2],[1,2]])   # False ```
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