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. …
How to Install Microsoft Equation 3.0 in Office 2016, 2019, 2021, …
Learn how to install Microsoft Equation 3.0 in Microsoft Office 365 with expert answers to your questions. Get step-by-step guidance and tips here!
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 …
Finding the angle of rotation of an ellipse from its general …
The equation that you give is the equation of a general conic. Some of which are ellipses, some hyperbolae, some parabolae, and other degenerate conics, e.g. $xy=0$, $x^2=0$ or …
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What is the equation used to calculate a linear trendline?
What are the equations to calculate a linear trendline over a set of points? EDIT: "In excel it is done automatically but how to manually calculate a linear trendline over a set of points" was …
Is there any equation for triangle? - Mathematics Stack Exchange
There is no standard equation for a triangle, like there is for a circle, parabola or ellipse. The reason is that the circle for example has a clear classic geometric definition: A locus of points.
Ellipse in polar coordinates - Mathematics Stack Exchange
EDIT1: What you at first proposed as ellipse looks like: The Ellipse parametrization is done differently. To more clearly distinguish between them we should note there are two different …
Deriving an equation for the orbital period of a satellite
Deriving an equation for the orbital period of a satellite Ask Question Asked 12 years, 11 months ago Modified 7 years, 7 months ago
equation of a circle given 2 points - Mathematics Stack Exchange
A circle has to points on the circumference (0, 1) and (0, 9) that bisect the circle and I have to give the equation of the circle in general form. So I can find the midpoint of the circle as ${(0...