Mastering Written Communication: A Guide for Young People Many young people struggle with written communication. This guide aims to provide valuable tips for improving your communication skills in both personal...
Why I Support Schools That Ban Hijabs (And Why You Should Too) All customs and rituals can be oppressive, as the social cost of opting out of them is often...
My Fitness Journey: What Has Worked for Me in My 40s I have been working out for the last couple of years, and I’d like to share what has been...
Using CAP Theorem for Decision Making in Life The CAP theorem, originating from computer science, suggests that in a distributed system, you can only prioritize two out of three characteristics:...
What People Seem to Miss About India Development is Hard Near Nashik, there are several tribal areas with dense forests, low education levels, and significant challenges in providing government services....
Here is what I wish to government do in next 5 years. Monopolize Violence Most important job of a government is to monopolize violence. Government in last 10 years has...
I have been living in Goa for more than 2 years now. As many people have asked how it is like living here, here’s a detailed post on the experience...
She cries. Because she likes reading, when it rains. Even on a beautiful summer day. She cries. Because tears are more familiar. Even in a warm embrace of her lover....
Why is activism taking over? If you look around, almost everybody is trying to be an activist. Most fields including but not limited to entrepreneurs, academics, government officials, religious groups...
Labour markets Marginal product of labour The increase in a firm’s revenue created by hiring an additional labourer. Declines with more labour. Firms hire as long as wage < marginal...
Profit maximization Costs and profit maximization under competition Profit is the main motivation for firms actions. In competitive industry firms maximize profits by choosing price and quantity. Competitive firms Similar...
Externalities Costs of trade Private cost - Paid by the consumer or the producer. External cost - A cost paid by bystanders, by people other than the consumer or the...
Trade Benefits Trade makes people better off when preferences differ. Value to buyer > value to seller for a trade to happen. Specialization - boost productivity by creating skilled labour...
Price Ceiling Price ceiling - Maximum price allowed by law. Effects of price ceiling Shortages Bad quality Lines and search costs Deadweight loss Misallocation of resources Shortages Bad Quality Main...
The price system Free markets are governed by the invisible hand of pricing. Free markets consist of very large number of strangers who need to collaborate with each other for...
Tax and subsidy Commodity taxes It is a tax on good. Who pays the tax does not depend on who writes the check. Who pays the tax does depend on...
Elasticity A demand curve is elastic when an increase in price reduces the quantity demanded by a lot. (and vice versa). Flatter curve. A demand curve is inelastic when an...
Asymmetric information When either the buyer or seller have far more information about product than other party. Example - used cars. Sellers have far more information. This makes buyers skeptical....
Public goods Public good - non excludable, non rival good. Non-excludable - non paying consumers still benefit. Non-rival - One person using it, another person still can. Excludable Non-Excluable...
Supply, Demand, and Equilibrium Demand curve Graphs quantity demanded at various price points. Quantity demanded decreases if price increases, as less consumers are willing to purchase the product. Supply curve...
This blog will host weekly notes from the course. Week 1 Notes Week 2 Notes Week 3 Notes Week 4 Notes Week 5 Notes Week 6 Notes Week 7 Notes...
After spending last two years in UK and Germany, I have moved back for good to India. Plan for now is to do some consulting, while trying out few ideas...
This blog will host weekly notes from the course. I will update this post to links with weekly notes. Week 1 Notes Week 2 Notes Week 3 Notes Week 4...
This blog will host weekly notes from the course. I will update this post to links with weekly notes. Week 1 Notes Week 2 Notes Week 3 Notes Week 4...
Course notes for Modern World - Global History From 1760 to 1910 This blog will host weekly notes from the course. I will update this post to links with weekly...
Machine Learning Application - Photo OCR Pipeline Detect text Character segmentation Character classification (Optional) spelling correction. Sliding Window Scan an image step by step to check whether object can be...
Large Scale Machine Learning Try out the learning algorithm which much smaller sample size, and see if it suffers from high variance problem when small size is small. Only then...
Anomaly detection Applications Fraud detection in e-commerce Manufacturing - help in quality assurance by finding anomalous components. Monitoring computers in data centers Algorithm Choosing parameters The algorithms works best if...
Exercise in Medicine and diseases Sedentary lifestyle. Leads many diseases cancer, cardio vascular diseases. Sitting is harmful! Inactivity is risk factor for major chronic illnesses. Even moderate exercise is great...
Fitness and performance Endurance training When you regularly exercise, body will adapt. 3-5 times a week, for few months. Adaptations depend on - frequency, intensity, duration, and type of exercise....
Unsupervised learning Data does not have labels (y values) Clustering is a way to find structures with in data sets. Applications of clustering Market segmentation Astronomy Computer clusters Social network...
Developing Relationships Expand your network Find and meet people outside of your regular circle of contacts. One lunch per week with a colleague you don’t know. Join professional association or...
Advice on machine learning If your machine learning algorithm is not working well, you can try following things. Get more training examples. Try smaller set of features. Additional features. Adding...
Types of muscle systems Skeletal Cardiac/Heart. Smooth - muscles surrounding blood vessels. Skeletal muscles Types of contractions Isometric - no change in length. Planking. Concentric - muscle shortens. Curls, presses....
Quantifiers All mathematical quantifiers can be expressed in either there exists or for all. There exists There exists an object x having property P. Denoted by symbol - ∃ For...
Influencing and persuasion with out formal authority. Social proof Show examples of other doing similar to what you are proposing. Show others have succeeded in doing similar thing. Share testimonials....
Logical Implication Implication involves causality. Implication has a truth part and a causality part. Mathematics only deals with truth part or conditional. φ => ψ φ is antecedent. ψ is...
Energy consumption during exercise. Principles in Exercise Physiology Homeostasis - resting body condition and all internal factors such as blood sugar level, oxygen levels, ph level, core body temp. A...
Types of power Referent - personal connection. Expert Information Legitimate - job title. Reward - ability give rewards or praise. Coercive - ability punish. Power - Asymmetrical control over someone...
As per my about page I am pursuing few goals from March 2019 to March 2020. Here is update for the second month. Ran 5kms without any breaks for the...
Neural Networks
Cost function
Back propagation
Implementation notes
Gradient Checking
Random Initialization
Neural Networks
I have not taken many notes for this as it is fairly complex and will involve writing down pretty much everything.
Definition
Example with xnor function
Introduction to mathematics Mathematical language Object a has property P. Every object of type T has property P. There is an object of type T having property P. If statement...
Second Industrial Revolution Driven by chemistry Machines to make other machines is the biggest change. Mass produced machines start having impact on common men and women. Electricity! Large corporations start...
Rise of national industrial empires Advances in military technology after 1870 Machine guns. Iron steam powered navies. Better range and accuracy for guns. All of this together gives decisive fire...
Nation States National Identities Revolutions in transportation, manufacturing led to start of urbanization. Traditional World Local identities Local languages Local customs A need for national identities as people from different...
World transformations (1820-1870) 1820 Both western europe and wealthy Asia (China) are similar Scientific discoveries. Strong economies. Manufacturing. Large population centres. Western europe however has Large trade network. Access to...
Revolutionary Wars Americas Slaves are revolting Saint domingue(Haiti) and Buenos Aires. British losses in Americas start to mount, which makes them look eastward. French, Napolean, wants to establish French colonies...
Classification Algorithms It is not a good idea to apply linear regression to classification problems. Examples of classification problems. Predict if an email is spam or not. Predict if a...
Multivariate linear gradient hypothesis function Multiple features, single out come variables. Definition of hypothesis function hθ(x) = θ0 + θ1x1 + θ2x2 … + θnxn x0 = 1 hθ(x) =...