As mentioned at: math.stackexchange.com/questions/579453/real-world-application-of-fourier-series/3729366#3729366 from solving partial differential equations with the Fourier series citing courses.maths.ox.ac.uk/node/view_material/1720, analogously to the heat equation, the wave linear equation can be be solved nicely with separation of variables.
This is a simple hierarchical plaintext notation Ciro Santilli created to explain programs to himself.
It is usuall created by doing searches in an IDE, and then manually selecting the information of interest.
It attempts to capture intuitive information not only of the call graph itself, including callbacks, but of when things get called or not, by the addition of some context code.
For example, consider the following pseudocode:Supose that we are interested in determining what calls
f1() {
}
f2(i) {
if (i > 5) {
f1()
}
}
f3() {
f1()
f2_2()
}
f2_2() {
for (i = 0; i < 10; i++) {
f2(i)
}
}
main() {
f2_2()
f3()
}f1.Then a reasonable call hierarchy for
f1 would be:f2(i)
if (i > 5) {
f1()
f2_2()
for (i = 0; i < 10; i++) {
f2(i)
main
f3
f3()
main()Some general principles:
Nerds 2.0.1 excerpt about Cisco (1998)
Source. - youtu.be/mhz24AR3nIc?t=45 the founders both worked at Stanford University but because they were in different departments they couldn't send an email to one another.
- youtu.be/mhz24AR3nIc?t=54 Sandy Lerner is very nice and chilled. She says how she was amazed by Leonard's manners!
- youtu.be/mhz24AR3nIc?t=86 "sincerity begins at a little over 100 hours a week". The dude is a robot.
- youtu.be/mhz24AR3nIc?t=279 earthquake!!!
- youtu.be/d0ya8DggDYs?list=PLn7AqqWS1I_9EHEHy6sw-v6hUMhbeOTRW&t=3268 she bought a manor house, probably in Chawton Hampshire, England, possibly Chawton House
- youtu.be/d0ya8DggDYs?list=PLn7AqqWS1I_9EHEHy6sw-v6hUMhbeOTRW&t=3312 he started donating to search for extraterrestrial intelligence
Classification of second order partial differential equations into elliptic, parabolic and hyperbolic Updated 2025-04-24 +Created 1970-01-01
One major application of this classification is that different boundary conditions are suitable for different types of partial differential equations as explained at: which boundary conditions lead to existence and uniqueness of a second order PDE.
Produced the enriched uranium used for Little Boy, located in the area/predecessor of Oak Ridge National Laboratory.
The group of all transformations that preserve some bilinear form, notable examples:
- orthogonal group preserves the inner product
- unitary group preserves a Hermitian form
- Lorentz group preserves the Minkowski inner product
4 K. Enough for to make "low temperature superconductors" like regular metals superconducting, e.g. the superconducting temperature of aluminum if 1.2 K.
Contrast with liquid nitrogen, which is much cheaper but only goes to 77K.
- newrepublic.com/article/173376/100-political-films-new-republic-list archive.ph/SJCgo The 100 Most Significant Political Films of All Time
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