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  2. Percy Deift - Wikipedia

    en.wikipedia.org/wiki/Percy_Deift

    Deift was born in Durban, South Africa, where he obtained degrees in chemical engineering, physics, and mathematics, and received a Ph.D. in mathematical physics from Princeton University in 1977. [2] He is a Silver Professor at the Courant Institute of Mathematical Sciences, New York University.

  3. Khatri–Rao product - Wikipedia

    en.wikipedia.org/wiki/Khatri–Rao_product

    In mathematics, the Khatri–Rao product or block Kronecker product of two partitioned matrices and is defined as [1] [2] [3] = in which the ij-th block is the m i p i × n j q j sized Kronecker product of the corresponding blocks of A and B, assuming the number of row and column partitions of both matrices is equal.

  4. List of companies of South Africa - Wikipedia

    en.wikipedia.org/wiki/List_of_companies_of_South...

    Durban: 1905 P A De Haan's Bus & Coach: Industrials Commercial vehicles & trucks Cape Town: 1951 Bus manufacturer P A Dimension Data: Technology Software Sandton: 1983 Software and services P A e.tv: Consumer services Broadcasting & entertainment Cape Town: 1998 Television P A Eskom: Utilities Conventional electricity Sandton: 1923

  5. Matriculation in South Africa - Wikipedia

    en.wikipedia.org/wiki/Matriculation_in_South_Africa

    The National Senior Certificate or NSC is the current matriculation (matric) certificate, with grade 12 as the matriculation grade. The NSC, previously known as the Further Education and Training Certificate or FETC, replaced the Senior Certificate effectively in 2008, having been phased in with grade 10 in 2006.

  6. Durbin–Watson statistic - Wikipedia

    en.wikipedia.org/wiki/Durbin–Watson_statistic

    where is the number of observations and is number of regression variables; the are independent standard normal random variables; and the are the nonzero eigenvalues of (()), where is the matrix that transforms the residuals into the statistic, i.e. =. [3] A number of computational algorithms for finding percentiles of this distribution are ...

  7. eThekwini Metropolitan Municipality - Wikipedia

    en.wikipedia.org/wiki/EThekwini_Metropolitan...

    The eThekwini Metropolitan Municipality (Zulu: UMasipala weDolobhakazi laseThekwini) is a metropolitan municipality, created in 2000, that includes the city of Durban and surrounding towns. eThekwini is one of the 11 districts of the KwaZulu-Natal province of South Africa. As of 2011, the majority of its 3,442,361 inhabitants spoke isiZulu.

  8. Matrix (app) - Wikipedia

    en.wikipedia.org/wiki/Matrix_(app)

    Matrix was an instant messaging (IM) and communications network that was shut down by cooperation between Dutch and French police in December 2024. [1] It was also known by the names Mactrix, Totalsec, X-Quantum and Q-Safe.

  9. Optical (musician) - Wikipedia

    en.wikipedia.org/wiki/Optical_(musician)

    Matt Quinn, known by his stage name Optical, is a British musician, producer and DJ.He is co-founder and owner of Virus Recordings, [1] a widely regarded drum and bass record label.