**NPTEL Data Science for Engineers Assignment 4 Answers**:- Hello students in this article we are going to share NPTEL Data Science for Engineers assignment week 4 answers. All the Answers provided below to help the students as a reference, You must submit your assignment at your own knowledge.

**Below you can find NPTEL Data Science for Engineers Assignment 4 Answers**

Assignment No. | Answers |
---|---|

Data Science for Engineers Assignment 1 | Click Here |

Data Science for Engineers Assignment 2 | Click Here |

Data Science for Engineers Assignment 3 | Click Here |

Data Science for EngineersAssignment 4 | Click Here |

Data Science for Engineers Assignment 5 | Click Here |

Data Science for Engineers Assignment 6 | Click Here |

Data Science for Engineers Assignment 7 | Click Here |

Data Science for EngineersAssignment 8 | Click Here |

### NPTEL Data Science for Engineers Assignment 4 Answers 2022:-

Answer questions 1 to 4 using the given objective function *f*(*x*)=3*x*4−2*x*3−3*x*2+6

**1. **The first order necessary condition for either maxima or minima of f(x) is

**Answer:-** **b**

**2. **Which of the following point(s) is/are stationary point(s) of *f*(*x*)

**Answer:-** **a,b,c**

**3. **The stationary point(s) which maximize(s) the value of *f*(*x*)

**Answer:-** **b**

**4. **The stationary point(s) which minimize(s) the value of *f*(*x*)

**Answer:-** **a,c**

**5. **Find the minima of the function *f*(*x*)=(*x*−5)2−5 using gradient search method starting from *x*=−6, and learning rate *α*=0.5 and choose the correct statement from the options given below

**Answer:-** **a,d**

**6. **The gross domestic product (GDP) of a country in billion dollars following a crisis (at *t*=0) is given by: *G*(*t*)=−0.196*t*3+3.244*t*2+9.179 for 0≤*t*≤28. When is the GDP highest in the given time period?

**Answer:- b**

**7. **A function is defined as: 7*x*2+70*x*+12. Find the value of *x* at its stationary point.

**Answer:-** **d**

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