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Winfried Dietmayer

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Winfried Dietmayer

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Sep 3, 2025

The Quadratic Form and its Gradient

The Quadratic Form: A Key to Understanding the Method of Least Squares

The Quadratic Form and its Gradient

Winfried Dietmayer

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Aug 10

Does the Night Sky Show Us the Universe in the Past?

Have you ever looked up at the night sky and asked yourself this question? If you are an eager viewer of popular science broadcasts on TV…

A bright spiral galaxy against a black starry background.

Winfried Dietmayer

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Jun 20

No, Donald J. Trump is NOT on our Team.

Germany’s chancellor Friedrich Merz betrays Germany’s values at the G7 summit in France.

No, Donald J. Trump is NOT on our Team.

Winfried Dietmayer

·

Jun 11

The World’s Game, America’s Rules: How the 2026 FIFA World Cup Became a Fortress.

The World Cup is not just a football tournament. It is the closest thing humanity has ever produced to a universal gathering. Every four…

The World’s Game, America’s Rules: How the 2026 FIFA World Cup Became a Fortress.

Winfried Dietmayer

·

Nov 9, 2025

What Is a Function in Wolfram Mathematica, Really? Part II

Writing a Function to List all Mathematica Symbols with an Assumptions option and asking LLMs to do the same.

What Is a Function in Wolfram Mathematica, Really? Part II

Winfried Dietmayer

·

Aug 9, 2025

What Is a Function in Wolfram Mathematica, Really? Part I

A Journey into the Foundation of the Wolfram Language.

A screenshot of part of an editor window showing source code with color highlighting.

Winfried Dietmayer

·

Jul 7, 2025

All Aliens on Earth Hate Donald J. Trump.

We are analyzing the proposition above from a classical predicate calculus perspective.

An alien is gazing at Earth from Outer Space. The Earth shows the face of Donald J. Trump.

Winfried Dietmayer

Winfried Dietmayerhe

I am curious about Astrophysics, Special and General Relativity, and Quantum Mechanics. I love pondering the Philosophy of science, informatics, and religion.

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