Neural Network

Boltzman Machine

Question 1
Marks : +2 | -2
Pass Ratio : 100%
What should be the aim of training procedure in boltzman machine of feedback networks?
to capture inputs
to feedback the captured outputs
to capture the behaviour of system
none of the mentioned
Explanation:
The training procedure should try to capture the pattern environment.
Question 2
Marks : +2 | -2
Pass Ratio : 100%
What is pattern environment?
probability of desired patterns
probability of given patterns
behaviour of system
none of the mentioned
Explanation:
Pattern environment is probability distribution of given patterns.
Question 3
Marks : +2 | -2
Pass Ratio : 100%
In boltzman learning which algorithm can be used to arrive at equilibrium?
Explanation:
Question 4
Marks : +2 | -2
Pass Ratio : 100%
Probability of error in recall of stored patterns can be reduced if?
patterns are stored appropriately
inputs are captured appropriately
weights are chosen appropriately
none of the mentioned
Explanation:
Probability of error in recall of stored patterns can be reduced if weights are chosen appropriately.
Question 5
Marks : +2 | -2
Pass Ratio : 100%
What happens when we use mean field approximation with boltzman learning?
it slows down
it get speeded up
nothing happens
may speedup or speed down
Explanation:
Boltzman learning get speeded up using mean field approximation.
Question 6
Marks : +2 | -2
Pass Ratio : 100%
Is exact representation of pattern environment possible?
yes
no
Explanation:
Exact representation of pattern environment is not possible.
Question 7
Marks : +2 | -2
Pass Ratio : 100%
What may be the reasons for non zero probability of error in recalling?
spurious stable states
approximation in pattern environment representation
extra stable states
all of the mentioned
Explanation:
These all are the primary reasons for existence of non zero probability of error.
Question 8
Marks : +2 | -2
Pass Ratio : 100%
For which other task can boltzman machine be used?
pattern mapping
feature mapping
classification
pattern association
Explanation:
Boltzman machine can be used for pattern association.
Question 9
Marks : +2 | -2
Pass Ratio : 100%
Presence of false minima will have what effect on probability of error in recall?
directly
inversely
no effect
directly or inversely
Explanation:
Presence of false minima will increase the probability of error in recall.
Question 10
Marks : +2 | -2
Pass Ratio : 100%
Is Boltzman law practical for implementation?
yes
no
Explanation:
Boltzman law is too slow for implementation.