![]() ![]() Number of points to overlap between segments. Tuple, is set to 256, and if window is array_like, is set to the Defaults to None, but if window is str or If window is array_like it will be usedĭirectly as the window and its length must be nperseg. Passed to get_window to generate the window values, which areĭFT-even by default. window str or tuple or array_like, optionalĭesired window to use. Sampling frequency of the x and y time series. Time series of measurement values fs float, optional Time series of measurement values y array_like Spectral density estimates of X and Y, and Pxy is the cross coherence ( x, y, fs = 1.0, window = 'hann', nperseg = None, noverlap = None, nfft = None, detrend = 'constant', axis = -1 ) #Įstimate the magnitude squared coherence estimate, Cxy, ofĭiscrete-time signals X and Y using Welch’s method.Ĭxy = abs(Pxy)**2/(Pxx*Pyy), where Pxx and Pyy are power Statistical functions for masked arrays ( If only to work out exactly what the hell is going on.K-means clustering and vector quantization ( Like an Agatha Christie whodunnit that exists wholly in the connective tissue between alternate dimensions, this is a twisted quantum chamber piece of meta-doppelgangers and sliding doors moments – if those sliding doors had the potential to cause major injury – that will more than likely inspire repeat viewings. It’s no San Junipero or USS Callister, but it doesn’t lag far behind. ![]() Squint a little, and perhaps viewed through one’s fingers and from a strange angle behind the nearest sofa, and Coherence could easily be a one-off feature-length episode plucked from Black Mirror. And yet the discovery of new boxes with differently numbered photographs and random objects suggests almost all the partygoers have their own reason to be slipping out the door at the optimum moment. Guests keep coming up with new excuses to leave the house and head out into the night, like a cheesy 80s horror flick in which everyone is determined to split up and get immediately murdered by something bestial. The intrigue stems from an increasing realisation that some of the company are trying to game their new reality. This is a science fiction story that could easily be performed on stage, so limited are the locations. And yet Byrkit’s mis-en-scène is far more contained and claustrophobic than Lars von Trier’s whimsical fantasy. There are also shades here of Melancholia, which came out two years previously and featured a mysterious new planet that exerts strange influences on the people of Earth. The result is reminiscent of the “found footage” subgenre that was once so popular in Hollywood, but without the ridiculous contrivance of that style that requires the viewer to believe that obsessive amateur videographers are lurking around every corner to document the moment. The spectre of Schrödinger’s cat looms sphinx-like over the entire proceedings – did everyone accidentally dab too much of the aforementioned dubious keta-tincture?īyrkit shoots and edits the whole thing as if we are witnessing a particularly phantasmagorical reality TV show, complete with shaky cameras, the odd blurry shot, and characters talking over each other, along with sudden cuts to black. Em meets Kevin at their car, but there is something about him she doesn’t quite recognise, while nobody seems to be able to escape from this dark and discombobulating purgatory. Inside one of the other homes, they have glimpsed a group of people who look remarkably like themselves. The pair who departed soon return with a strange box containing Polaroid-style photographs of each of the party guests, and a set of numbers written on the back, along with an apparently innocuous table tennis paddle. So far, so stereotypical cabin in the woods scenario, and yet standard horror tropes are soon swapped out for far more cerebral sci-fi stylings. Two of the partygoers begin investigating nearby homes to try to establish if anyone in the neighbourhood has a working telephone. The evening begins amicably enough, but then a power cut puts the wind up the party guests, shutting down wifi and, apparently, mobile phone connectivity. It is clear that Mike (Nicholas Brendon) has a drinking problem, while another guest, Beth, has a bizarre habit of offering ketamine-laced tincture to anyone who fancies it, which may or may not be adding to the general sense of dysphoria and dislocation. There are tensions from the start: Em (Emily Baldoni) has turned down her boyfriend Kevin’s request to join him on a work trip to Vietnam, and is nervous that his vampy ex Laurie has also been invited along to the gathering. The film-maker’s 2013 debut centres on eight friends who gather for a dinner party in a California home on the night that a comet is due to pass by. ![]()
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