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Category Archives: Miscellaneous
Chess as a Metaphor for Life
On a recent weekend, I played in a local chess tournament. I played five games and all were quite interesting. One of the reasons that chess is sometimes encouraged for school children is that chess can teach concentration, calculation, memorization, … Continue reading
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Happy 2023
Years ago, I was a college professor. At that time my school used Pascal as the introductory programming language. One of my favorite examples was a next_date() function. There are dozens of ways to implement a next_date() function, which means … Continue reading
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Combining Two Mathematical Permutations
I was walking my dogs one evening when I thought of a problem: how to combine two mathematical permutations. Suppose: perm0 = [2 8 4 9 1 6 7 3 0 5] perm1 = [3 5 1 2 9 8 … Continue reading
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Machine Learning and Economics Alpha Generation Platform
I get coldcall email messages from job recruiters every couple of weeks or so. I usually try to be polite and answer that I’m satisfied with my current position working in the Research department of a very large tech company. … Continue reading
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A Quick Look at the .NET MAUI (MultiPlatform User Interface) Library
I was updating my Microsoft Visual Studio program and decided to take a look at using the .NET MAUI template. Suppose you want to create an application that runs on a Windows desktop machine, and a Mac machine and an … Continue reading
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Nob’s Number Puzzle
I ran across a nice mathematical puzzle recently. It’s called “Nob’s Number Puzzle”. Here it is: The answer is given at the bottom of this post. The puzzle is clever but not some sort of crazy thing: you should be … Continue reading
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The LogBeta and LogGamma Functions Using C# in Visual Studio Magazine
I wrote an article titled “The LogBeta and LogGamma Functions Using C#” in the August 2022 edition of Microsoft Visual Studio Magazine. See https://visualstudiomagazine.com/articles/2022/08/02/logbetaloggammafunctionscsharp.aspx. The article presents C# implementations of three of the most important classical statistics functions: the logbeta … Continue reading
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The New Windows 11 Terminal Application – I Don’t Get It
A few days ago, I woke up in the morning and turned on my primary work laptop. It is a Microsoft Surface Book (an awesome machine). The night before, there was a Windows Update (cue sound of impending doom). I … Continue reading
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Lightweight Mathematical Combinations Using C# in Visual Studio Magazine
I wrote an article titled “Lightweight Mathematical Combinations Using C#” in the July 2022 edition of the Microsoft Visual Studio Magazine. See https://visualstudiomagazine.com/articles/2022/07/20/mathcombinationsusingcsharp.aspx. A zerobased mathematical (n, k) combination is a subset of k integers from 0 to n1. For … Continue reading
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Compiling and Running a C Language Program on MacOS
When I’m working on a Linux machine, my C language compiler of choice is gcc. However, on a MacOS machine, the clang compiler is installed by default. I hadn’t used clang for a long time so I thought I’d do … Continue reading
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