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  1. The Kalman filter is a minimum mean-square error estimator. The error in the a posteriori state estimation is. We seek to minimize the expected value of the square of the magnitude of this vector, E ⁡ . This is equivalent to minimizing the trace of the a posteriori estimate covariance matrix .

  2. Polyethylene terephthalate (or poly (ethylene terephthalate), PET, PETE, or the obsolete PETP or PET-P), is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foods, and thermoforming for manufacturing, and in combination with glass fibre for engineering ...

  3. en.wikipedia.org › wiki › Great_FilterGreat Filter - Wikipedia

    The Great Filter is the idea that, in the development of life from the earliest stages of abiogenesis to reaching the highest levels of development on the Kardashev scale, there is a barrier to development that makes detectable extraterrestrial life exceedingly rare. [1][2] The Great Filter is one possible resolution of the Fermi ...

  4. en.wikipedia.org › wiki › KoalaKoala - Wikipedia

    The koala (Phascolarctos cinereus), sometimes called the koala bear, is an arboreal herbivorous marsupial native to Australia. It is the only extant representative of the family Phascolarctidae. Its closest living relatives are the wombats.

  5. en.wikipedia.org › wiki › Tote_bagTote bag - Wikipedia

    A tote bag is a large, typically unfastened bag with parallel handles that emerge from the sides of its pouch. Totes are often used as reusable shopping bags. The archetypal tote bag is made of sturdy cloth, perhaps with thick leather at its handles or bottom; leather versions often have a pebbled surface.

  6. en.wikipedia.org › wiki › KangarooKangaroo - Wikipedia

    The term "wallaroos" refers to species of an intermediate size. [3] There are also the tree-kangaroos, another type of macropod, which inhabit the tropical rainforests of New Guinea, far northeastern Queensland and some of the islands in the region. This kind of kangaroo lives in the upper branches of trees. [4]

  7. en.wikipedia.org › wiki › ThylacineThylacine - Wikipedia

    The thylacine (/ ˈθaɪləsiːn /; binomial name Thylacinus cynocephalus), also commonly known as the Tasmanian tiger or Tasmanian wolf, is an extinct carnivorous marsupial that was native to the Australian mainland and the islands of Tasmania and New Guinea.

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