Questions tagged [calculus]
For questions about the mathematical field studying functions, focusing on infinitesimals and rates of change.
216 questions
3 votes
0 answers
65 views
Meaning of “expand by algebra” in an old Tripos question about $a^x$ and $\sin(x/m)$?
I came across an old Cambridge Tripos question (The 1861 Smith's Prize Exam) which asks: Indicate methods of expanding $a^x$ and $\sin(\frac{x}{m})$. Show that the former function may be expanded ...
0 votes
1 answer
136 views
Is the fundamental theorem of calculus the main thing distinguishing Newton and Leibniz from their precessors?
It is commonplace to hear that Newton and Leibniz introduced calculus in the 17th century, and it is also commonplace to hear that they did not, since some ancient Greeks, especially Archimedes, ...
-3 votes
0 answers
77 views
How earlier physicists like Maxwell specifically accounted for delay and propagation of changes in fields rather than their instant settlement?
We can see directly from Maxwell`s equations that his equations are for local changes not global which translates to delay and propagation of field changes rather than instant settlements Question : ...
3 votes
1 answer
200 views
History of Cavalieri's principle before, during, and after Cavalieri's life
Anyone who reads the "Method" of Archimedes will be struck by the resemblance of his methods to Cavalieri's principle, introduced many centuries later, except that Archimedes uses a more ...
9 votes
1 answer
297 views
Exact meaning of a remark by Leibniz on the meaning of the fractional derivative $\mathrm d^{1/2}x$
Background As the inventor of the notation $\dfrac{\mathrm d^n y}{\mathrm dx^n}$ for the derivative of the $n$ order ($n$ integer), Leibniz was asked by L'Hospital in a letter dated September 30, 1695:...
6 votes
1 answer
293 views
Marx, calculus and crises of capitalism
Historian Vogt mentioned in an interview that the chemist Schorlemmer once told Marx that one might be able to use the calculus to predict periodic crises of capitalist economy. However, she does not ...
4 votes
1 answer
287 views
How did Roger Cotes come up with the idea of radian measure?
What was the problem that Roger Cotes was trying to solve that he came up with the idea of radian measure? Was he trying to find a suitable unit of angle measure so that the derivative of $\sin x$ is ...
2 votes
0 answers
97 views
How did Maxwell prove Stokes theorem?
Maxwell proved Stokes theorem as part of the Smith examination [PDF]. How did Maxwell prove Stokes theorem? How did Stokes himself prove it? Did they use geometric arguments? Given the tools available ...
-1 votes
1 answer
84 views
Regarding the original date of a particular method to compute the tangent [closed]
In the minute 2 of a video called 'General proof of the New Calculus Derivative Definition' is showed a way to compute the tangent (it is not based on the methodogy by central differences). For the ...
7 votes
2 answers
1k views
In what document was the expression "differential equation" first used?
Without providing a source, Ince's book (1920) claims that the expression aequatio differentialis (differential equation) was first used by Leibniz in 1676. This information is repeated in many other ...
2 votes
1 answer
93 views
What are the chain rule's earlier and newer formulation?
Background In this post they link this paper about the history of the chain rule. It's in the context of about the educational / pedagogical aspect and possibly error of using the definition of the ...
1 vote
1 answer
973 views
Was it ever fashionable to try to prove that circles don't have discontinuities?
In the book "A Brief History of π" by Petr Beckmann, he writes, in a chapter about Euler, "He did not prove that one is greater than zero or that the circle has no discontinuities (as ...
7 votes
1 answer
3k views
How do we know that Newton and Leibniz discovered calculus independently?
How do we know that Newton and Leibniz discovered calculus independently, or is it just a community agreement that both get the same credit? If Leibniz published calculus first, do we have papers on ...
2 votes
1 answer
261 views
Who discovered this formula in multivariable calculus?
When browsing Mathematics Stack Exchange, I found one question about the following formula \begin{equation} \frac{d}{dt} \left( \int_{a(t)}^{b(t)} f(x,t) dx \right) =f(b(t),t) b'(t) - f(a(t),t) a'(t) +...
2 votes
0 answers
153 views
Use of the word "linear"
Where was the word "linear" first used in terms like "linear function" or "linear equation" and what was the reason behind this name?