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. …

Dec 31, 2014 · equation：等式，方程式 英英释义： An assertion that two expressions are equal, expressed by writing the two expressions separated by an equal sign; from which one is to …

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 …

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 …

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 …

Equation means equality. They are both related to the word equal. If such an equality is true for all values of the variable, it is called an identity, e.g., $\sin^2x+\cos^2x=1$ is true for all x. If …

Deriving an equation for the orbital period of a satellite Ask Question Asked 12 years, 11 months ago Modified 7 years, 7 months ago

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.

A Bernoulli differential equation is a non-linear differential equation of the form $$ \\frac{dy}{dx} + P(x)y = Q(x)y^n. $$ I understand this is special; Because its exact solution is known though ...

Nov 11, 2024 · So on running this differential equation through WA, I got the result in Bessel function. Is there any general solution to that above general differential equation in terms of …