# Surrogates and Approximations in Engineering Design

- Institution: IIT Madras
- Department: Mechanical Engineering
- Teacher: Prof. Palaniappaan Ramu
- Level: Undergraduate
- Language: English
- Subjects: Engineering
- Source: [NPTEL](https://nptel.ac.in/courses/112106250)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/112106250)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Overview and Motivation of Course](https://invisiblenetwork.ai/learn/nptel/112106250/9246ff2f34c4) (Video)
2. [Basic Optimization Problem Formulation](https://invisiblenetwork.ai/learn/nptel/112106250/c501b73ba881) (Video)
3. [Problem Formulation Example](https://invisiblenetwork.ai/learn/nptel/112106250/b886ee72f443) (Video)
4. [Calculus related to Optimization](https://invisiblenetwork.ai/learn/nptel/112106250/0b0283e21d8a) (Video)
5. [The big picture - Overview](https://invisiblenetwork.ai/learn/nptel/112106250/d311ba23d838) (Video)
6. [Introduction to DOE - 1](https://invisiblenetwork.ai/learn/nptel/112106250/bf54eccf3e79) (Video)
7. [Introduction to DOE - 2](https://invisiblenetwork.ai/learn/nptel/112106250/8461118f70d9) (Video)
8. [Types of DOE - 1](https://invisiblenetwork.ai/learn/nptel/112106250/018578b13b16) (Video)
9. [Types of DOE - 2 and some examples](https://invisiblenetwork.ai/learn/nptel/112106250/f0063fae9145) (Video)
10. [Introduction to surrogate modeling](https://invisiblenetwork.ai/learn/nptel/112106250/06deea3b2f43) (Video)
11. [Types of surrogate - Polynomial models](https://invisiblenetwork.ai/learn/nptel/112106250/16869e9d2298) (Video)
12. [Radial basis function - 1](https://invisiblenetwork.ai/learn/nptel/112106250/ac52c836b915) (Video)
13. [Radial basis function - 2](https://invisiblenetwork.ai/learn/nptel/112106250/1a3ec57d89c0) (Video)
14. [Kriging - 1](https://invisiblenetwork.ai/learn/nptel/112106250/23bb27af7296) (Video)
15. [Kriging - 2](https://invisiblenetwork.ai/learn/nptel/112106250/74026d524a61) (Video)
16. [Metamodels for Safe and Efficient Automotive Structures](https://invisiblenetwork.ai/learn/nptel/112106250/c14213ad8cdf) (Video)
17. [Exploration and Exploitation in Surrogates](https://invisiblenetwork.ai/learn/nptel/112106250/e7a8dfe5e17b) (Video)
18. [Errors Based Exploration](https://invisiblenetwork.ai/learn/nptel/112106250/174c20d304e5) (Video)
19. [Ensemble of Surrogates](https://invisiblenetwork.ai/learn/nptel/112106250/576703ff9a44) (Video)