numpy.floor_divide() in Python
numpy.floor_divide(arr1, arr2, /, out = None, where = True, casting = ‘same_kind’, order = ‘K’, dtype = None) : Array element from first array is divided by the elements from second array(all happens element-wise). Both arr1 and arr2 must have same shape. It is equivalent to the Python // operator and pairs with the Python % (remainder), function so that b = a % b + b * (a // b) up to roundoff. Parameters :
arr1 : [array_like]Input array or object which works as numerator. arr2 : [array_like]Input array or object which works as denominator. out : [ndarray, None, optional]Output array with same dimensions as Input array, placed with result. **kwargs : Allows you to pass keyword variable length of argument to a function. It is used when we want to handle named argument in a function. where : [array_like, optional]True value means to calculate the universal functions(ufunc) at that position, False value means to leave the value in the output alone.
An array with floor(x1 / x2)
Code 1 : arr1 divided by arr2
arr1 : [2, 2, 2, 2, 2] arr1 : [2, 3, 4, 5, 6] Output array : [1 0 0 0 0]
Code 2 : elements of arr1 divided by divisor
arr1 : [2, 7, 3, 11, 4] Output array : [0 2 1 3 1]
Code 3 : floor_divide handling results if arr2 has -ve elements
arr1 : [2, 6, 21, 21, 12] arr2 : [2, 3, 4, -3, 6] Output array : [ 1 2 5 -7 2]
Time Complexity: O(1)
Auxiliary Space: O(1)
References : https://docs.scipy.org/doc/numpy-1.13.0/reference/generated/numpy.floor_divide.html .
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