gs gs126 Linear Regression - Linear Regression – Cost Function - Quiz No.2
gs gs126 Neural Networks Quiz
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Question 2: How to graphically find t1 for which cost function is minimized?
Plot J(t1) against t1 and find minima
Plot t1 against J(t1) and find minima
Plot J(t1) against t1 and find maxima
Plot t1 against J(t1) and find maxima
Question 3: What is the ideal value of t1?
0
Depends on the dataset
1
0.5
Question 4: Hypothesis is: h(x) = t0 + t1x. How do we graphically find the desired cost function?
Plot J(t0, t1) against t0 and find minima
Plot J(t0, t1)) against t1 and find minima
Plot J(t0, t1) against either t1 or t0 and find minima
Make a 3-d plot with J(t0, t1) against t1 and t0 and find minima
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