jedishrfu's latest activity

Dear Robert, My condolences to you and your family. He was a great contributor to the PF community. We will miss him. I will miss his...

Good afternoon, This is not Paul, but rather his son Robert. I am very sad to write here that my dad passed away on Saturday...

We have many threads on AI, which are mostly AI/LLM, e.g,. ChatGPT, Claude, etc. It is important to draw a distinction between AI/LLM...

Try not to overthink this. As has been mentioned, an indefinite integral represents the whole class of integral solutions. It's like...

The indefinite integral is an equivalence class of antiderivatives. The integral ##\int_a^x f(t) dt## is a function of ##x##. Or, a...

I remembered a pretty high school problem from kinematics. But it seems it can help even undergraduates to develop their understanding...

For 1, this is part of the Fundamental Theorem of Calculus. For 2, if F(x) is an antiderivative of f(x), then so too will F(x) + C be...

I've always thought of indefinite integrals as ones with unspecified integration limits. Wikipedia gets into it in more detail...

You guys missed the point. Her number was off by 1.7 billion years and she went on to sing no one can ever say it's true. Simon felt...

And 10 famous observatories on the West Coast https://www.latimes.com/travel/la-trw-telescope15mar11-story.html Mount Wilson...

Even better would be to find an observatory near you. Major Research & Historic Observatories in California Palomar Observatory: Near...

There's a funny astronomy story I once heard about the English pop singer Katie Melua. She sang a beautiful romantic song called "Nine...

I imagine the machine was like a dad pushing their kid on a swing. You keep injecting a little energy with a push and after awhile let...

There's an excellent math website called Www.mathIsPower4u.com It's a vast collection of videos from middle school to first year...

Dear @mezzo-piano, Where there is a will, there is a way. To prepare for your journey, you must overcome your math anxiety. The best...