ChatGPT: Converting Images to Text

Posted on 2025-01-22 15:55


Here's a feature of the famous chatbot I hadn't used before: Take a picture of some text -- from an old, out of print book, e.g. -- and then paste it into the prompt window. Then add a prompt asking the bot to convert the image text into actual text, or into a summary of the text, etc. I did that with an old physics book from Cornelius Lanczos. I found a page on which the author neatly summarized the differences between vectorial mechanics (Newton) and analytical mechanics (Lagrange, Euler, Noether). So I photographed the page (in ChatGPT's phone app you can give it access to your phone) in question and asked the bot to put it into a neat HTML table format. And, voila, here's what I got:
Vectorial Mechanics Analytical Mechanics
Isolates the particle and considers it as an individual. Considers the system as a whole.
Constructs a separate acting force for each moving particle. Considers one single function: the work function (or potential energy), which contains all necessary information concerning forces.
When strong forces maintain a definite relation between the coordinates of a system and that relation is empirically given, the vectorial approach has to consider the forces necessary to maintain it. Takes the given relation for granted without requiring knowledge of the forces that maintain it.
Equations of motion are handled individually. Develops the entire set of equations of motion from one unified principle, minimizing the "action," which holds for any set of coordinates and allows adjustment to the specific nature of each problem.
Source: Lanczos, Cornelius. The variational principles of mechanics. Courier Corporation, 2012, pg 6.

Nice, huh?

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