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  2. Hadamard matrix - Wikipedia

    en.wikipedia.org/wiki/Hadamard_matrix

    Let H be a Hadamard matrix of order n.The transpose of H is closely related to its inverse.In fact: = where I n is the n × n identity matrix and H T is the transpose of H.To see that this is true, notice that the rows of H are all orthogonal vectors over the field of real numbers and each have length .

  3. Battle of Dien Bien Phu - Wikipedia

    en.wikipedia.org/wiki/Battle_of_Dien_Bien_Phu

    Another group of French soldiers, near the airfield, opened fire on the Viet Minh with anti-aircraft machine guns, forcing the Viet Minh to retreat. [74] The Viet Minh's simultaneous attacks elsewhere were more successful. The 316th Division captured Eliane 1 from its Moroccan defenders, and half of Eliane 2 by midnight. [75]

  4. Tiến lên - Wikipedia

    en.wikipedia.org/wiki/Tiến_lên

    Tiến lên (Vietnamese: tiến lên, tiến: advance; lên: to go up, up; literally: "go forward"; also Romanized Tien Len) is a shedding-type card game originating in Vietnam. [1]

  5. Singleton bound - Wikipedia

    en.wikipedia.org/wiki/Singleton_bound

    The linear independence of the columns of a generator matrix of an MDS code permits a construction of MDS codes from objects in finite projective geometry. Let P G ( N , q ) {\displaystyle PG(N,q)} be the finite projective space of (geometric) dimension N {\displaystyle N} over the finite field F q {\displaystyle \mathbb {F} _{q}} .

  6. Greek letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/Greek_letters_used_in...

    Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities.

  7. Phi Kappa Phi - Wikipedia

    en.wikipedia.org/wiki/Phi_Kappa_Phi

    Phi Kappa Phi publishes a quarterly journal, The Phi Kappa Phi Forum and the triannual Honor Chord e-zine. [25] The society also publishes the Monthly Mentions newsletter. Each issue of The Phi Kappa Phi Forum is devoted to a significant

  8. Free Fire World Series - Wikipedia

    en.wikipedia.org/wiki/Free_Fire_World_Series

    Free Fire World Series 2020 had to be replaced with Free Fire Continental Series 2020 which was held to be on April 19. Free Fire Continental Series was held as 3 separate events for Asia, EMEA and Americas. The event was streamed live on YouTube and had 1.5 million peak live viewers. There was a prize pool of $300,000.

  9. South Vietnam - Wikipedia

    en.wikipedia.org/wiki/South_Vietnam

    The name is also sometimes rendered as "Viet Nam" in English. [8] The term "South Vietnam" became common usage in 1954, when the Geneva Conference provisionally partitioned Vietnam into communist and capitalist parts. Other names of this state were commonly used during its existence such as Free Vietnam and the Government of Viet Nam (GVN).