Difficult Problem on Calculus of variation
37337
Minimizing a functional with a free boundary condition
105693
How do I solve this PDE?
47681
How to go about solving this question on differentials?
76115
Very difficult integral (for me)
8844
Higher-order partial derivatives w.r.t. variable raised to some power
16291
Discontinuous derivative.
132018
problem involving series that converges depending on another series converging
134027
Variation on $\prec\prec$
150833
Discontinuities of the derivative of a differentiable function on closed interval
88080
Applying MVT to function that has limit of its derivative given when $x\to\infty$
110854
Heat conduction problem with boundary at $\infty$
81225
A problem about parametric integral
144795
Convergence or Divergence using Limits
131992
A problem on continuous functions
112404
Eliminating discontinuities for increasing function
142436
Solving a PDE with variable coefficients
7149
Calculus of variations -- how does it make sense to vary the position and the velocity independently?