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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
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>>> in_vec = NP.random.rand(10)
>>> in_vec
array([ 0.94, 0.61, 0.65, 0. , 0.77, 0.99, 0.35, 0.81, 0.46, 0.59])
>>> # common activation function, hyperbolic tangent
>>> out_vec = NP.tanh(in_vec)
>>> out_vec
array([ 0.74, 0.54, 0.57, 0. ,...
Using unset vs. setting a variable to empty
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4 Answers
4
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Standard Android Button with a different color
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<gradient
android:endColor="@color/orange4"
android:startColor="@color/orange5"
android:angle="270" />
<stroke
android:width="3dp"
android:color="@color/grey05" />
<c...
Regex using javascript to return just numbers
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Regular expressions:
var numberPattern = /\d+/g;
'something102asdfkj1948948'.match( numberPattern )
This would return an Array with two elements inside, '102' and '1948948'. Operate as you wish. If it doesn't match any it will return null.
To concatenate them:
'something102asdfkj1948948'.ma...
Deleting elements from std::set while iterating
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edited Jun 28 '19 at 19:04
Richard
40.9k2222 gold badges134134 silver badges203203 bronze badges
answer...
Maximum length of a table name in MySQL
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4
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Is there a Sleep/Pause/Wait function in JavaScript? [duplicate]
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edited Feb 4 '15 at 14:41
answered Oct 21 '11 at 20:22
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Copy data into another table
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edited Mar 28 '19 at 4:43
answered Nov 5 '12 at 17:56
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How to fix apt-get: command not found on AWS EC2? [closed]
I installed Ubuntu 12.04 on my instance and am trying to install packages using apt-get, but I am getting the following error:
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