Open access at the University of Oxford by Ciro Santilli 35 Updated +Created
Things actually have gotten more and more closed, e.g. of stuff getting paywalled with time:It appears that things got really bad starting in 2017, possibly when WebLearn was introduced. When things migrated to Canvas, they were closed by default, apparently with any mechanism to publish publicly.
Therefore, they managed to make things more closed than when teachers would just upload to good old ox.ac.uk/~name static websites!!
Ciro Santilli has also heard that some people in the Mathematical Institute of the University of Oxford opposed to moving away from their Moodle instance precisely because the new options did not support open publishing, so kudos to those people. But most teachers likely don't care and just do whatever is the best internally supported default.
Their "open" video material: podcasts.ox.ac.uk/ A somewhat small part is Creative Commons, but most proprietary. Despite the name "podcasts", they do contain video, it is just a relic.
podcasts.ox.ac.uk/open contains actual Creative Commons only it seems.
It does however appear that professors own their lecture notes, so there some hope maybe: governance.admin.ox.ac.uk/legislation/statute-xvi-property-contracts-and-trusts#collapse1383636
Talks: talks.ox.ac.uk/. Mathematical, Physical and Life Sciences (MPLS) subset: talks.ox.ac.uk/talks/department/id/oxpoints:23232639
Video 1.
University of Oxford documentary by the British Council (1941)
Source.
Oxbridge student culture by Ciro Santilli 35 Updated +Created
A First, a Blue, and a spouse by Ciro Santilli 35 Updated +Created
It is said that you leave Oxford with either
Oxford Physics Joint Consultative Committee by Ciro Santilli 35 Updated +Created
Group of students that represent students academic views about the courses.
Nuclear weapons testing by Ciro Santilli 35 Updated +Created
Nuclear weapon test by Ciro Santilli 35 Updated +Created
Nuclear weapon detonation by Ciro Santilli 35 Updated +Created
AI training robot simulation by Ciro Santilli 35 Updated +Created
Football simulation by Ciro Santilli 35 Updated +Created
Stanford Smallville by Ciro Santilli 35 Updated +Created
Published as: arxiv.org/pdf/2304.03442.pdf Generative Agents: Interactive Simulacra of Human Behavior by Park et al.
Video 1.
AI Agents Behaving Like Humans by Prompt Engineering (2023)
Source.
2D continuous AI game by Ciro Santilli 35 Updated +Created
Discrete Fourier transform of a real signal by Ciro Santilli 35 Updated +Created
See sections: "Example 1 - N even", "Example 2 - N odd" and "Representation in terms of sines and cosines" of www.statlect.com/matrix-algebra/discrete-Fourier-transform-of-a-real-signal
The transform still has complex numbers.
Summary:
  • is real
Therefore, we only need about half of to represent the signal, as the other half can be derived by conjugation.
"Representation in terms of sines and cosines" from www.statlect.com/matrix-algebra/discrete-Fourier-transform-of-a-real-signal then gives explicit formulas in terms of .
Figure 1.
DFT of with 25 points
. Source at: numpy/fft_plot.py. This plot illustrates how the DFT of a real signal is symmetric around the middle point, and so only half of the transform points are needed to reconstruct the original signal. We also see how the phase of the sinusoids determines if their DFT components are real or imaginary.

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