方程(equation)是指含有未知数的等式。是表示两个数学式(如两个数、函数、量、运算)之间相等关系的一种等式,使等式成立的未知数的值称为“解”或“根”。求方程的解的过程称为“解方程”。通过方程求解可以免去逆向思考的不易,直接正向列出含有欲求解的量的等式即可。方程具有多种形式,如一元...
Find dy / dx of the equation. 5 tan^ {-1} (x^2 y) = x + xy^2.Find dy/dx for the equation 2x^2 + 5xy^2 + 4y = 3.Find dy/dx for the equation below. (2/x^3)-(5x/y) = 4x^4Solve the following exact equation: (2 + ye...
A separable differential equation is a type of differential equation where the variables of the equation can be isolated on each side of the equation so the equation will be in the form {eq}P(x)\,dx = Q(y)\,dy {/eq}. After separating the variables, integrate both sides of the...
百度试题 结果1 题目equation(dx)/(dt)=4xcos^2t given tha x=1 when t= 0.Solve the differential equationdtGive your answer as an expression for x in terms of t. 相关知识点: 试题来源: 解析 x=e^(t+1/2)sin2t 反馈 收藏
differential equation {eq}\frac{dy}{dx}=-9y^5{/eq} if {eq}y(0)=-1{/eq}Solving Differential Equation:The above-given ODE is a separable differential equation which can be solved by first separating the variables first and then applying integrals at both sides. Finally, we should never ...
Answer to: Solve the differential equation: square root x {dy} / {dx} = e^{y + square root x} By signing up, you'll get thousands of step-by-step...
偏微分方程
On the number of solutions of the equation \frac{{dx}}{{dt}} = \sum\limits_{j = 0}^n {a_j (t) x^j ,0 \leqq t \leqq 1,} for which x (0)= x (1)[J] . Alcides Lins Neto.Inventiones Mathematicae . 1980 (1)A. Lins Neto, On the number of solutions of the ...
The differential equation dy/dx = a1+b1y + c1/a2x+b2y+c2doi:10.1080/0020739780090114F. ChorltonInternational Journal of Mathematical Education in Science and Technology
摘要: In this paper we discuss the existence of limit cycles of the system(dx)/(dt)=(?)(y)-F(x), without the hypothesis of monotone of thefunction (?)(y) and prove four theorems.These theorems are the extension ofresults of the Liénard equation...