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  2. Android Donut - Wikipedia

    en.wikipedia.org/wiki/Android_Donut

    Android 1.6 Donut is the fourth version of the open source Android mobile operating system developed by Google. Among the more prominent features introduced with this update were added support for CDMA smartphones , additional screen sizes , a battery usage indicator, and a text-to-speech engine .

  3. Hermitian matrix - Wikipedia

    en.wikipedia.org/wiki/Hermitian_matrix

    In mathematics, a Hermitian matrix (or self-adjoint matrix) is a complex square matrix that is equal to its own conjugate transpose—that is, the element in the i-th row and j-th column is equal to the complex conjugate of the element in the j-th row and i-th column, for all indices i and j: = ¯

  4. Differential operator - Wikipedia

    en.wikipedia.org/wiki/Differential_operator

    Given a linear differential operator = = the adjoint of this operator is defined as the operator such that , = , where the notation , is used for the scalar product or inner product. This definition therefore depends on the definition of the scalar product (or inner product).

  5. Comparison of Microsoft Windows versions - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_Microsoft...

    Microsoft Windows is the name of several families of computer software operating systems created by Microsoft.Microsoft first introduced an operating environment named Windows in November 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces (GUIs).

  6. Word2vec - Wikipedia

    en.wikipedia.org/wiki/Word2vec

    Word2vec is a technique in natural language processing (NLP) for obtaining vector representations of words. These vectors capture information about the meaning of the word based on the surrounding words.

  7. Operating system - Wikipedia

    en.wikipedia.org/wiki/Operating_system

    IBM System/360 Model 50 operator's console and CPU; the operator's console is a terminal used by the operating system to communicate with the operator. The first computers in the late 1940s and 1950s were directly programmed either with plugboards or with machine code inputted on media such as punch cards , without programming languages or ...

  8. Gradient - Wikipedia

    en.wikipedia.org/wiki/Gradient

    The nabla symbol, written as an upside-down triangle and pronounced "del", denotes the vector differential operator. When a coordinate system is used in which the basis vectors are not functions of position, the gradient is given by the vector [a] whose components are the partial derivatives of at . [2]

  9. List of Microsoft Windows versions - Wikipedia

    en.wikipedia.org/wiki/List_of_Microsoft_Windows...

    Upon the release of Windows 10 in 2015, the ARM-specific version for large tablets was discontinued; large tablets (such as the Surface Pro 4) were only released with x86 processors and could run the full version of Windows 10. Windows 10 Mobile had the ability to be installed on smaller tablets (up to nine inches); [26] however, very few such ...