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  2. 6 mm caliber - Wikipedia

    en.wikipedia.org/wiki/6_mm_caliber

    Name Bullet Case length Rim Base Shoulder Neck OAL .243 Winchester: 6.17 (.243) 51.94 (2.035) 12.00 (.472) 11.96 (.470) 11.5 (.454) 7.01 (.276) 68.82 (2.709)

  3. 6.5mm Creedmoor - Wikipedia

    en.wikipedia.org/wiki/6.5mm_Creedmoor

    The 6.5mm Creedmoor (6.5×48mm), [6] designated 6.5 Creedmoor by SAAMI, 6,5 Creedmoor by the C.I.P. [4] is a centerfire rifle cartridge introduced by Hornady in 2007. [7]It was developed by Hornady senior ballistics scientist Dave Emary in partnership with Dennis DeMille, the vice-president of product development at Creedmoor Sports, hence the name.

  4. 7×57mm Mauser - Wikipedia

    en.wikipedia.org/wiki/7×57mm_Mauser

    [8] [9] This lower specification is in deference to the Remington Rolling block rifles that may still be in circulation. Concerns regarding the early Mauser rifles such as the models 93 and 95 are misplaced, [ 9 ] as the original ammunition issued with the M93 Spanish Mauser produced an average pressure of 50,370 CUP in those rifles.

  5. Matrix (mathematics) - Wikipedia

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

    The size of a matrix is defined by the number of rows and columns it contains. ... [14] [15] [16] For ... For example, if A is an m×n matrix, x designates a column ...

  6. Complex number - Wikipedia

    en.wikipedia.org/wiki/Complex_number

    A complex number can be visually represented as a pair of numbers (a, b) forming a vector on a diagram called an Argand diagram, representing the complex plane. Re is the real axis, Im is the imaginary axis, and i is the "imaginary unit", that satisfies i 2 = −1.

  7. History of computing hardware - Wikipedia

    en.wikipedia.org/wiki/History_of_computing_hardware

    The main improvements over the Manchester Mark 1 were in the size of the primary storage (using random access Williams tubes), secondary storage (using a magnetic drum), a faster multiplier, and additional instructions. The basic cycle time was 1.2 milliseconds, and a multiplication could be completed in about 2.16 milliseconds.

  8. Discrete Fourier transform - Wikipedia

    en.wikipedia.org/wiki/Discrete_Fourier_transform

    This can be rewritten as a cyclic convolution by taking the coefficient vectors for a(x) and b(x) with constant term first, then appending zeros so that the resultant coefficient vectors a and b have dimension d > deg(a(x)) + deg(b(x)). Then, =

  9. Logistic regression - Wikipedia

    en.wikipedia.org/wiki/Logistic_regression

    This exponential relationship provides an interpretation for : The odds multiply by for every 1-unit increase in x. [ 22 ] For a binary independent variable the odds ratio is defined as a d b c {\displaystyle {\frac {ad}{bc}}} where a , b , c and d are cells in a 2×2 contingency table .