carl ek

@carlek

(learn + do) * repeat

CanadaJoined October 2023

About

Software developer. Sports Fan. Motorcyclist. Pianist and French Hornist. Cat Dad.

Let's try out hashnode free version, and see where it goes....

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carl ek's blogs

carl's casual chroniclescarlek.hashnode.dev11 posts

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Recently published

CEcarl ekcarlek.hashnode.devNov 23, 2025 · 24 min read

Quantum Algorithms and Design Patterns

One time, long ago, in a code review, I noticed some really krufty code: someone altered a core library and broke the rules of a state machine fundamental to the overall design. I raised a red flag: “this is going to fail somehow, someday, as this ch...

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CEcarl ekcarlek.hashnode.devJun 23, 2025 · 26 min read

Mastermind Code Cracking: Classic and Quantum

Solving Mastermind with Knuth, Grover, and Deutsch In a previous article I explored how a quantum search algorithm can be used to amplify Euchre’s high value winning hands in a deck of cards. I will a

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CEcarl ekcarlek.hashnode.devApr 22, 2025 · 14 min read

Quantum Search and Euchre

2025 — the International Year of Quantum !! In the 100th anniversary of the birth of quantum mechanics, Unesco has officially declared 2025 as the International Year of Quantum Science and Technology. Quantum mechanics has been a bit of a disruption ...

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CEcarl ekcarlek.hashnode.devMar 7, 2025 · 7 min read

"The Proof is Left for the Student..."

In my previous casual chronicle regarding Sangaku there was an equation which I did not give a proof for: An equation for a chord of height \(h\) (from center) thru a circle with radius \(R\) As one of my professors, the great Ralph Stanton often ...

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CEcarl ekcarlek.hashnode.devFeb 5, 2025 · 11 min read

2025 Sangaku (算額) Puzzle

Happy New Year 🥳 and welcome to the first Casual Chronicle of 2025. This one combines the number 2025 with some Japanese history and culture, in particular, mathematics. We will take a short dive into the world of Sangaku: Japanese geometry material...

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carl ek

About

Available for

carl ek's blogs

Recently published

Quantum Algorithms and Design Patterns

Mastermind Code Cracking: Classic and Quantum

Quantum Search and Euchre

"The Proof is Left for the Student..."

2025 Sangaku (算額) Puzzle

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carl ek

About

Available for

carl ek's blogs

Recently published

Quantum Algorithms and Design Patterns

Mastermind Code Cracking: Classic and Quantum

Quantum Search and Euchre

"The Proof is Left for the Student..."

2025 Sangaku (算額) Puzzle