# numpy.float_power () in Python

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Parameters:

`  arr1:  [array_like] Input array or object which works as base.  arr2:  [array_like] Input array or object which works as exponent.  out:  [ndarray, 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. `

Return:

` An array with elements of arr1 raised to exponents in arr2 `

Code 1: arr1 raised to arr2

 ` # Python program explaining ` ` # float_power () function ` ` import ` ` numpy as np ` ` `  ` # input_array ` ` arr1 ` ` = ` ` [` ` 2 ` `, ` ` 2 ` `, ` ` 2 ` `, ` ` 2 ` `, ` ` 2 ` `] ` ` arr2 ` = ` [` ` 2 ` `, ` ` 3 ` `, ` ` 4 ` `, ` ` 5 ` `, ` ` 6 ` ` ] ` ` print ` ` (` ` "arr1 :" ` `, arr1) ` ` print ` ` (` ` "arr1 :" ` `, arr2) `   ` # output_array ` ` out ` ` = ` ` np.float_power (arr1, arr2) ` ` print ` ` (` `" Output array: "` `, out) ` < / p>

Output:

` arr1 : [2, 2, 2, 2, 2] arr1: [2, 3, 4, 5, 6] Output array: [4. 8. 16. 32. 64.] `

Code 2: arr1 elements raised to power of 2

 ` # Python program explaining ` ` # float_power () function ` ` import ` ` numpy as np `   ` # input_array ` ` arr1 ` ` = ` ` np.arange (` ` 8 ` `) ` ` exponent ` ` = ` ` 2 ` ` print ` ` (` ` "arr1 :" ` `, arr1) `   ` # output_array ` ` out ` ` = ` ` np.float_power (arr1, exponent) ` ` print ` ` (` ` "Output array:" ` `, out) `

Output:

` arr1: [0 1 2 3 4 5 6 7] Output array: [0. 1. 4 . 9. 16. 25. 36. 49.] `

Code 3: results of processing float_power if arr2 has -ve elements

` `

` # Python program explaining # float_power () function import numpy as np    # input_array arr1 = [ 2 , 2 , 2 , 2 , 2 ] arr2 = [ 2 , - 3 , 4 , - 5 , 6 ] print ( " arr1 : " , arr1) print ( "arr2 :" , arr2)   # output_array out = np.float_power (arr1, arr2) print ( "Output array:" , out) `

Output:

` arr1: [2 , 2, 2, 2, 2] arr2: [2, -3, 4, -5, 6] Output array: [4.00000000e + 00 1.25000000e-01 1.60000000e + 01 3.12500000e-02 6.40000000e + 01] `

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