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 Feb6 asked Eigen Value and Eigen Vector Feb4 asked Find one solution for system of inequalities (if exits) Jan19 comment Physical meaning of some identity in a weighted undirected graph Sorry I have edited. Summing over all edges $(u,z)$ such that one end point is in $C$. Jan19 revised Physical meaning of some identity in a weighted undirected graph added 46 characters in body Jan19 asked Physical meaning of some identity in a weighted undirected graph Jan10 awarded Yearling Dec20 awarded Constituent Dec10 awarded Caucus Nov30 comment Solution to system of differential equation @ Did This is not from a text book. My instructor is given some material to read ( on statistical physics). where they have not explained these things directly. Thanks for help. Nov30 comment Solution to system of differential equation Sorry, This is the problem. $y'(t)= \frac{3}{8} x [-2\lambda y+x]$, $x'(t)= \frac{3}{8} x [-2(\lambda-1) y-(\lambda+3)x]+\frac{x}{2}$ Nov30 accepted Solution to system of differential equation Nov30 revised Solution to system of differential equation added 31 characters in body Nov30 comment Solution to system of differential equation @ Did Thanks for help. I have small question, In one of the other exercise (similar to this) I have $X'(t)=\tfrac38x(t)\cdot A\cdot X(t) + W(t)$. where $W(t)=\begin{pmatrix}x(t)\\ y(t)\end{pmatrix}$. In this case how do we find asymptotic solution. Nov29 comment Solution to system of differential equation @Dr.SonnhardGraubner at least asymptotic limit. Nov29 asked Solution to system of differential equation Nov9 awarded Good Question Sep21 comment Eigen vectors of symmetric matrix Oh. But is there any procedure to choose orthogonal one. If possible can you provide some references to this type problems. Sep21 asked Eigen vectors of symmetric matrix Sep11 accepted Sloution to first order non linear system of ordinary differential equations Sep9 revised Sloution to first order non linear system of ordinary differential equations added 9 characters in body; edited title