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  1. A mathematical formula for p mod q • Physics Forums

    Jun 3, 2013 · What would be an expression for the modulo operation based only on basic arithmetic i.e. addition, subtraction, multiplication and division? For example, if I would like to …

  2. Difference of Quintics, Sextics, and Septics • Physics Forums

    Jul 2, 2013 · The discussion explores the mathematical concepts of factoring polynomials, specifically focusing on the differences and sums of quintics, sextics, and septics, alongside …

  3. Integral of 1/(1+cos(x)) Without Substitution Rule - Physics Forums

    Jul 12, 2013 · Hello I am trying to solve the integral of the next function: 1/ (1+cos (x)) and without using the substitution rule...any ideas ? thanks !

  4. Kinematics equations: Prove that a=vdv/ds • Physics Forums

    Dec 1, 2019 · We know that v=v (x, t) i.e. V is a function of time as well as space coordinate here I have only taken 1D motion for simplicity. By chain rule a=dv/dt=...

  5. Can All Functions Be Integrated? • Physics Forums

    Apr 8, 2004 · The whole confusion here is in the meaning of the word "function". I.e. does the word mean a nice simple formula involving only familiar trig, exponential, and polynomial …

  6. Measuring Deer Antler Volume | Page 3 • Physics Forums

    3 days ago · I doubt that dominance is decided by symmetry, or minor imperfections. Nutrition decides antler mass or volume, and so in a head-to-head conflict, the best fed buck, with the …

  7. Central-Difference Formulas If the function f (x can be evaluated at values that lie to the left and right of x, then ) the best two-point formula will involve abscissas that are chosen …

  8. Functional derivative: chain rule - Physics Forums

    Jun 18, 2007 · Hmm, I've been working with functional derivatives lately, and some things aren't particularly clear. I took the definition Wikipedia gives, but since I know little of distribution …

  9. What is the average for cos2(x)? - Physics Forums

    Jan 26, 2012 · The average value of cos²(x) is calculated as 1/2, derived from the identity cos²(x) + sin²(x) = 1, which indicates both terms have equal averages. Integration over a complete …

  10. The 7 Basic Rules of Quantum Mechanics - Physics Forums

    May 11, 2019 · This rule is valid in the formulation of quantum mechanics called the Schrödinger picture. There are other, equivalent formulations of the time evolution, especially the …