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Mar
31
accepted Finding the basic reproduction number of a particular model
Mar
30
answered Finding a basis for a space of solutions.
Mar
30
comment Finding a basis for a space of solutions.
You can find a basis for $M$, from the equation. After that, you can use the fact that equivalent matrices generate the same row space.
Mar
30
awarded  Yearling
Mar
30
accepted A singular $n-$cube and a circumference defined the border than 2-cube
Mar
30
asked Motivation for Non-Euclidean geometry: relativity
Oct
1
awarded  Notable Question
Apr
4
awarded  Popular Question
Feb
11
asked About consistency in an inverse problem formulation
Jan
4
accepted Proving that the solutions of a system of ODE $\frac{dx}{dt}=-\nabla V(x)$ are defined for all positive time.
Jan
2
revised Proving that the solutions of a system of ODE $\frac{dx}{dt}=-\nabla V(x)$ are defined for all positive time.
edited body
Jan
2
asked Proving that the solutions of a system of ODE $\frac{dx}{dt}=-\nabla V(x)$ are defined for all positive time.
Oct
26
revised Scheme for mixed partial derivative from Taylor
added 19 characters in body
Oct
26
asked Scheme for mixed partial derivative from Taylor
Oct
13
revised PDE using $\theta$ method in Matlab
added 11 characters in body
Oct
13
revised PDE using $\theta$ method in Matlab
added 13 characters in body
Oct
13
asked PDE using $\theta$ method in Matlab
Oct
5
awarded  Self-Learner
Sep
30
awarded  Explainer
Sep
17
comment Integral of harmonic function in a ball
Also, I know the Green's identity: $\int_{\Omega} \Delta u dx = \int_{\partial \Omega} \frac{\partial u}{\partial n} ds$, but I was a little confused with the expression "by calculating the line integral". Thank you.