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What are the differences between numpy arrays and matrices? Which one should I use?
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# [ 5 8]]
The ** operator also behaves differently:
print(a**2)
# [[22 15]
# [10 7]]
print(c**2)
# [[16 9]
# [ 4 1]]
Since a is a matrix, a**2 returns the matrix product a*a.
Since c is an ndarray, c**2 returns an ndarray with each component squared
element-wise.
There are other techn...
Get the Row(s) which have the max count in groups using groupby
... RaniRani
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Why Would I Ever Need to Use C# Nested Classes [duplicate]
...nNoldorin
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Should I call Close() or Dispose() for stream objects?
... If you use using + Close() and turn /analyze on, you get "warning : CA2202 : Microsoft.Usage : Object 'f' can be disposed more than once in method 'Foo(string)'. To avoid generating a System.ObjectDisposedException you should not call Dispose more than one time on an object.: Lines: 41" So whil...
How to Reverse Fragment Animations on BackStack?
...f Fragment
– w3bshark
Nov 24 '15 at 22:40
@w3bshark How to get such animations working using FragmentManager and Fragm...
How to add a spinner icon to button when it's in the Loading state?
... for 3.x
– Eric Freese
Sep 3 '13 at 22:59
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data-loading-text is deprecated since v3.3.5 and wil...
Combined area of overlapping circles
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Spooky
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answered Nov 3 '09 at 14:47
Ants AasmaAnts Aasma
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Best way to do multiple constructors in PHP
...same property.
– Kris
Aug 26 '13 at 22:23
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As someone used to compiled, statically typed languag...
C++ convert hex string to signed integer
...Evan Teran
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Does JavaScript guarantee object property order?
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bpierrebpierre
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