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mi1_02_backprop

Quiz
•
Science, Mathematics
•
University
•
Medium
MI Team
Used 65+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • Ungraded
Yes
No
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which logic function f(x1, x2) will a single neuron fail to compute?
NOT
XOR
NOR
AND
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Why does the perceptron fail at XOR?
A perceptron only works with one input.
It cannot find a linear separation.
It totally can. With the right bias value.
A perceptron can only predict one value
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What kind of cost function is this?
quadratic
linear
round
The e stands for exponential
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which cost function is more robust to outliers?
A linear one
The quadratic one
Answer explanation
In the linear case the gradient will be constant. This applies to very large error for the outlier or a small error for a "normal" point.
6.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
So what's the quadratic cost useful for?
maximizing the likelihood
data with no outliers
it's completely useless
useful for classification
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
The purpose of backpropagation is to...
compute the cost
make multiplication efficient
compute gradients
It is a learning algorithm.
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