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. …

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 …

Jul 23, 2014 · The equation of an object is a way of telling whether a point is part of an object -- if you substitute the coordinates of the point into the equation and the equation is true, then the …

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.

Dec 21, 2023 · The confusion here seems to be about how translation and other transformations apply to the equation of a circle, which is not a function in the sense of passing the vertical line …

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 =...

If instead we center at the right focus and follow the same steps, we obtain $$ r=\frac {a (1-\epsilon^2)} {1+\epsilon\cos\theta} $$ This geometric approach also extends naturally to …

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 …

Aug 13, 2020 · Ellipse general equation from dimensions, offset, and tilt angle Ask Question Asked 5 years, 3 months ago Modified 5 years, 3 months ago

Aug 13, 2013 · I found this question in a differential equation textbook as a question The equation $$ \frac {dy} {dx} =A (x)y^2 + B (x)y +C (x) $$ is called Riccati's equation