Are you a student struggling with the Data Mining NPTEL Week 5 assignment? Look no further! In this article, we have compiled a set of hints and answers to help guide you through the assignment.

Make sure to give it a try on your own first, but use these hints as a helpful resource.

## NPTEL DATA MINING ASSIGNMENT ANSWERS 2023 -WEEK 5

**Q1. Support vector machine is:**

**Answer: **(B)Maximum margin classifier

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**Q2. Support vectors in SVM are:**

**Answer:** (C) Subset of training data points

**Q3. In a hard margin support vector machine:**

**Answer: **(B) All the instances lie inside the margin

**Q4. The Lagrange multipliers corresponding to the support vectors have a value:**

**Answer: **(C) greater than zero

**Q5. The primal optimization problem solved to obtain the hard margin optimal separating hyperplane is:**

**Answer: **(A) Minimize N * W ^ T * W such that y{i}(W ^ T * x{i} + b) >= 1 for all i

**Q6. The dual optimization problem solved to obtain the hard margin optimal separating hyperplane is:**

**Answer: **(D) Maximize 1/2 * W ^ T * W + Sigma*alpha_{i} such that y{i}(W ^ T * X + b) <= 1 for all i

**Q7. **We are designing a SVM, W^Tx+b=0, suppose X/s are the support vectors and alpha / s the corresponding Lagrange multipliers, then which of the following statements are correct:

**Answer: **(D) Both A and B

**Q8. If the hyperplane W^Tx + b = 0 correctly classifies all the training points (Xi, Yi) where Yi = {+1, – 1} then:**

**Answer: **(C) W^TX+b >=0 for all i

**Q9. The dual optimization problem in SVM design is usually solved using:**

**Answer: **(D) Quadratic programming

**Q10. Slack variables are used in which of the below:**

**Answer:** (A) Soft margin SVM

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**Disclaimer:** Please keep in mind that these answers are intended to serve as a reference for students. Our website does not guarantee the accuracy of the answers provided. We encourage all students to complete their assignments independently and use these answers as a supplement to their own understanding.

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