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  2. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_Code

    The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [6] [7] [8] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [9] the pattern of the position detection markers was determined by finding the least-used sequence of ...

  3. QR Codes Are Reshaping Public Transit, But Are They Safe? - AOL

    www.aol.com/qr-codes-reshaping-public-transit...

    Not every QR code can be read, though, since they aren't all necessarily speaking the same language. A phone, for example, might not be able to scan the kind of QR code for a boarding pass or ...

  4. Rectangular Micro QR Code - Wikipedia

    en.wikipedia.org/wiki/Rectangular_Micro_QR_Code

    Rectangular Micro QR Code (rMQR Code) version R17x43. Rectangular Micro QR Code (also known as rMQR Code) is two-dimensional (2D) matrix barcode invented and standardized in 2022 [1] by Denso Wave as ISO/IEC 23941. [2] rMQR Code is designed as a rectangular variation of QR code and has the same parameters and applications as original QR code ...

  5. QR decomposition - Wikipedia

    en.wikipedia.org/wiki/QR_decomposition

    If A is invertible, then the factorization is unique if we require the diagonal elements of R to be positive. If instead A is a complex square matrix, then there is a decomposition A = QR where Q is a unitary matrix (so the conjugate transpose Q † = Q − 1 {\displaystyle Q^{\dagger }=Q^{-1}} ).

  6. Uniqueness quantification - Wikipedia

    en.wikipedia.org/wiki/Uniqueness_quantification

    Download QR code; Print/export ... This sort of quantification is known as uniqueness quantification or unique ... and then to prove that every object ...

  7. Synchrony Financial (SYF) Q4 2024 Earnings Call Transcript - AOL

    www.aol.com/finance/synchrony-financial-syf-q4...

    Customers can scan a QR code in-store to complete an application on their own device, and if approved select their preferred financing option and make their purchase immediately.