mi1_02_backprop

mi1_02_backprop

University

16 Qs

quiz-placeholder

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mi1_02_backprop

mi1_02_backprop

Assessment

Quiz

Science, Mathematics

University

Medium

Created by

MI Team

Used 65+ times

FREE Resource

16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • Ungraded

Did you attempt the last exercise sheet?

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

Media Image

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

Media Image

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

Media Image

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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