Convex Analysis
Compared with linear programs, non-linear programs (NLPs) are much more difficult to solve. In an NLP, a local...
Routing in Packet Networks
A packet switch network provides communication services among multiple nodes/routers. There are usually multiple route/path from one node/router...
Character of Gains and Losses, and The Netting Process
Recall there are a few key items when evaluating a property transaction: Also recall the holding period of...
Minimum Cost Network Flow
Network flow models are one specific format of mathematical programs. These are used to study operations that are...
Federal Taxation: Special Gain and Loss Provisions
In the last post, we looked at two major non-taxable exchanges: like-kind exchanges and involuntary conversions. In those...
Frame Switching and Packet Switching
There are several ways of interconnecting networks, at different layers, there are different types of devices: Layers Devices...
Sensitivity Analysis and Dual Simplex Method
Previously, we mentioned that an sensitivity analysis tool called Shadow Price is helpful to evaluate the impact of...
Gains, Losses, and Non-Taxable Transactions
Overview of Gains and Losses At a very high level, it’s important to be able to calculate the...
Banking as Market Making
Funding liquidity is the ability to raise money. Market liquidity, on the other side, is the ability to...
Linear Programming Duality
When you are given a linear program, in many cases we call it a primal linear program. It...
Matrix Presentation of Simplex Method
When it comes to Operations Research, we are mainly talking about optimization problems, so the theories are mainly...
Hypothesis Testing
Typically we have some question, and that question could be “could the value of the parameter be X?”...
Confidence Intervals
We use data to do statistical inference means we either estimate some parameters with confidence, or test some...
Depreciation, Amortization and Depletion
Cost Recovery What is cost recovery? For accounting purposes, businesses must capitalize the cost of assets, if the...
App SEO and Metrics
App SEO App SEO refers to the practice of optimizing your website to drive traffic to your app....