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  2. Complex plane - Wikipedia

    en.wikipedia.org/wiki/Complex_plane

    The distance along the line from the origin to the point z = x + yi is the modulus or absolute value of z. The angle θ is the argument of z. Argand diagram refers to a geometric plot of complex numbers as points z = x + iy using the horizontal x-axis as the real axis and the vertical y-axis as the imaginary axis. [3]

  3. Modulo - Wikipedia

    en.wikipedia.org/wiki/Modulo

    In computing, the modulo operation returns the remainder or signed remainder of a division, after one number is divided by another, called the modulus of the operation.. Given two positive numbers a and n, a modulo n (often abbreviated as a mod n) is the remainder of the Euclidean division of a by n, where a is the dividend and n is the divisor.

  4. Modular arithmetic - Wikipedia

    en.wikipedia.org/wiki/Modular_arithmetic

    In fact, x ≡ b m n −1 m + a n m −1 n (mod mn) where m n −1 is the inverse of m modulo n and n m −1 is the inverse of n modulo m. Lagrange's theorem: If p is prime and f (x) = a 0 x d + ... + a d is a polynomial with integer coefficients such that p is not a divisor of a 0, then the congruence f (x) ≡ 0 (mod p) has at most d non ...

  5. Stress–strain curve - Wikipedia

    en.wikipedia.org/wiki/Stress–strain_curve

    The stress is proportional to the strain, that is, obeys the general Hooke's law, and the slope is Young's modulus. In this region, the material undergoes only elastic deformation. The end of the stage is the initiation point of plastic deformation. The stress component of this point is defined as yield strength (or upper yield point, UYP for short

  6. Absolute value - Wikipedia

    en.wikipedia.org/wiki/Absolute_value

    The graph of the absolute value function for real numbers The absolute value of a number may be thought of as its distance from zero.. In mathematics, the absolute value or modulus of a real number, denoted | |, is the non-negative value of without regard to its sign.

  7. Norm (mathematics) - Wikipedia

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

    The Euclidean norm of a complex number is the absolute value (also called the modulus) of it, if the complex plane is identified with the Euclidean plane. This identification of the complex number x + i y {\displaystyle x+iy} as a vector in the Euclidean plane, makes the quantity x 2 + y 2 {\textstyle {\sqrt {x^{2}+y^{2}}}} (as first suggested ...

  8. Modular equation - Wikipedia

    en.wikipedia.org/wiki/Modular_equation

    In that sense a modular equation becomes the equation of a modular curve. Such equations first arose in the theory of multiplication of elliptic functions (geometrically, the n 2 -fold covering map from a 2- torus to itself given by the mapping x → n · x on the underlying group) expressed in terms of complex analysis .

  9. Eigenvalues and eigenvectors - Wikipedia

    en.wikipedia.org/wiki/Eigenvalues_and_eigenvectors

    The solution of this equation for x in terms of t is found by ... an eigenvalue of a graph is defined as an eigenvalue of the graph's ... the modulus of the tensor ...