Solving differential equations of the form $f'(x)=f(x+1)$
101852
Differential equations that are also functional
79212
Find the general solution of $y'= a^{x + y}$ where y is the function
156778
Finding functions satisfying $f(f(x))+f(x)+x=0$
145504
Help solving variable separable ODE: $y' = \frac{1}{2} a y^2 + b y - 1$ with $y(0)=0$
60396
How to Solve the Coupled Differential Equations?
81437
Find the value of $y(1)$ of the ODE $y'+y=|x|$.
69746
Can we abuse notation and write equations in differential one-form?
30695
Can I solve this differential equation at a point?
71465
solution of $y' = \exp \left(-\frac yx\right) + \frac yx$
98653
Easiest way to solve $y''+y=\frac{1}{\cos x}$
24862
Solving (quadratic) equations of iterated functions, such as $f(f(x))=f(x)+x$
152293
Solution of $y''+xy=0$
139216
Use the definition of derivative to find $f'(x)$ for $f(x) = x^{1/2}$.
103251
Solution(s) to $f(x + y) = f(x) + f(y)$ (and miscellaneous questions...)
139019
Polynomial satisfying $f(x) = f'(x) \cdot f''(x)$
49284
Solving an ODE in power series
48039
How to solve this ode $xy''-(1+x)y'+y=x^2$?