Apparently, this user prefers to keep an air of mystery about them.
3 Show that $\sin(z)$ is analytic Nov 26 '12
1 $u(x,y) = ax^3 + bx^2y + cxy^2 + dy^3$ is harmonic for some values of a,b,c and d . Find an analytic function f(z) with u as its real part. Nov 26 '12
1 Is f diagonalizable? Justify your answer Dec 4 '12
1 Find a matrix that diagonalizes Dec 5 '12
1 Show that the indicial equation $x(x-1)y''+(7/2x-3/2)y'+3/2y=0$ has two solution $\alpha=0$ and $\alpha=-1/2$ Nov 11 '12
1 Getting a basis of eigenvalues Dec 3 '12