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  1. What is the difference between equation and formula?

    An equation is meant to be solved, that is, there are some unknowns. A formula is meant to be evaluated, that is, you replace all variables in it with values and get the value of the formula. …

  2. What is the equation for a 3D line? - Mathematics Stack Exchange

    May 28, 2013 · I love your answer for a line equation in the form of z = f (x, y)... Unfortunately calculating square roots can be impractical from the calculational standpoint and hence I really …

  3. Equation of a rectangle - Mathematics Stack Exchange

    Oct 2, 2011 · I need to graph a rectangle on the Cartesian coordinate system. Is there an equation for a rectangle? I can't find it anywhere.

  4. simple geometry question- equation of cylinder

    All points on it have x=0 and y=0. Clearly it is a line with any z-allowed. You could write the equation of the axis as x2 +y2 = 0 x 2 + y 2 = 0, because in the reals the only solution to this …

  5. Notation for rounding in equation - Mathematics Stack Exchange

    I'm wondering if there is a symbol or notation for Round to the nearest 10th For example, the area of a circle with a radius of 45 feet, rounded to the nearest square foot, could be written as, A =...

  6. Transformations of the circle equation - Mathematics Stack …

    Dec 21, 2023 · I know to translate the circle equation we just need to change the values in the brackets of the general circle equation (x −x1)2 + (y −y1)2 =r2 (x x 1) 2 + (y y 1) 2 = r 2 , and in …

  7. How to solve the Riccati's differential equation

    reduces it to a linear equation in v v. I am not understanding this, what does f f mean? How can we find the solution with the help of the solution itself. I hope anyone could help me to solve …

  8. What exactly is an equation? - Mathematics Stack Exchange

    Apr 15, 2018 · the equation to simpler equation (s) and end up with an equation that can be solved by inspection. In all these cases the equality tells you two things are really the same. …

  9. Ellipse general equation from dimensions, offset, and tilt angle

    Aug 13, 2020 · Ellipse general equation from dimensions, offset, and tilt angle Ask Question Asked 5 years, 4 months ago Modified 5 years, 4 months ago

  10. 贝塞尔函数及其性质 - 知乎

    贝塞尔方程 (the Bessel differential equation)在物理学诸多领域都有非常广泛的应用,如柱坐标下波的传播,薛定谔方程的解,薄膜振动,热传导等等。下面不加证明地总结贝塞尔函数的一些 …