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  2. Assignment problem - Wikipedia

    en.wikipedia.org/wiki/Assignment_problem

    Otherwise, it is called unbalanced assignment. [1] If the total cost of the assignment for all tasks is equal to the sum of the costs for each agent (or the sum of the costs for each task, which is the same thing in this case), then the problem is called linear assignment.

  3. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Quizlet was founded in 2005 by Andrew Sutherland as a studying tool to aid in memorization for his French class, which he claimed to have "aced". [ 6 ] [ 7 ] [ 8 ] In to an AMA on Reddit, Sutherland said in the "first year and a half" he was "just playing around with it", but that he decided to make it public after convincing ~100 people to try ...

  4. Row and column spaces - Wikipedia

    en.wikipedia.org/wiki/Row_and_column_spaces

    The dimension of the column space is called the rank of the matrix and is at most min(m, n). [1] A definition for matrices over a ring is also possible. The row space is defined similarly. The row space and the column space of a matrix A are sometimes denoted as C(A T) and C(A) respectively. [2] This article considers matrices of real numbers

  5. Homework - Wikipedia

    en.wikipedia.org/wiki/Homework

    The teacher says using class time for following up on homework gives that connection to what is learned in the class, noting, "In the initial step students complete and submit (traditional) homework assignments electronically, and then later they revisit their work through presentations of selected problems during class. [18]

  6. Multiple choice - Wikipedia

    en.wikipedia.org/wiki/Multiple_choice

    A multiple choice question, with days of the week as potential answers. Multiple choice (MC), [1] objective response or MCQ (for multiple choice question) is a form of an objective assessment in which respondents are asked to select only the correct answer from the choices offered as a list.

  7. Row and column vectors - Wikipedia

    en.wikipedia.org/wiki/Row_and_column_vectors

    The transpose (indicated by T) of any row vector is a column vector, and the transpose of any column vector is a row vector: […] = [] and [] = […]. The set of all row vectors with n entries in a given field (such as the real numbers ) forms an n -dimensional vector space ; similarly, the set of all column vectors with m entries forms an m ...

  8. Associative property - Wikipedia

    en.wikipedia.org/wiki/Associative_property

    1.000 2 ×2 0 + (1.000 2 ×2 0 + 1.000 2 ×2 4) = 1.000 2 ×2 0 + 1.000 2 ×2 4 = 1.00 0 2 ×2 4 Even though most computers compute with 24 or 53 bits of significand, [ 8 ] this is still an important source of rounding error, and approaches such as the Kahan summation algorithm are ways to minimise the errors.

  9. Row echelon form - Wikipedia

    en.wikipedia.org/wiki/Row_echelon_form

    Leon, Steven J. (2010), Lynch, Deirdre; Hoffman, William; Celano, Caroline (eds.), Linear Algebra with Applications (8th ed.), Pearson, ISBN 978-0-13-600929-0, A matrix is said to be in row echelon form (i) If the first nonzero entry in each nonzero row is 1. (ii) If row k does not consist entirely of zeros, the number of leading zero entries ...