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Asked: 2026-06-17T17:59:51+00:00

Lets say I have the array: x = np.array([0.00001,0.001]) numpy will make the numbers

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Lets say I have the array:

x = np.array([0.00001,0.001])

numpy will make the numbers to

array([  1.00000000e-05,   1.00000000e-03])

Now I want to get the exponents, something like

x.get_exponent()

with result

[-5,-3]
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1 Answer

  1. Editorial Team

    You can use np.floor(np.log10(np.abs(x))).

    For example:

    In [13]: x = np.array([0.00001, -0.001, 0.0000025, 0.09, -13.25, 9876.5])

In [14]: x
Out[14]: 
array([  1.00000000e-05,  -1.00000000e-03,   2.50000000e-06,
         9.00000000e-02,  -1.32500000e+01,   9.87650000e+03])

In [15]: np.floor(np.log10(np.abs(x))).astype(int)
Out[15]: array([-5, -3, -6, -2,  1,  3])
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