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I have a transformation matrix which takes in the elastic constants from the local $rtl$ coordinates and then converts the elastic constants to the global $xyz$ coordinates via a rotation...
Asked on 11/05/2021
3 answerI want to compress an array of time series floating point data as much as possible. Currently the only algorithm I've found for this is XOR compression which works well,...
Asked on 11/05/2021
1 answerI am looking for tasks thatare unsuitable for GPUsgain significant speedup as more CPU nodes are addeddon't require large data transfer or inter-thread communication between nodes.Do any problems of this...
Asked on 10/23/2021
10 answerGiven an $m times n$ matrix $A$ and a vector $xinmathbb R^n$, with $m<n$, what's an efficient way of computing the projection of $x$ onto...
Asked on 10/23/2021
1 answerFor stable time steps for the RKDG method for transport equations we require that $$Delta t le frac{Delta x CFL}{(2k + 1)|lambda|},$$where $lambda$ is the...
Asked on 10/23/2021
1 answerConsider the following function : $$f(x) = sin^2(frac{πGamma(x)}{2x})$$ Now consider the following functional :$$I(x)=int_0^infty frac{f(x + iy) − f(x − iy)}{e^{2πy}-1} dy$$I need values for of $I(x)$...
Asked on 10/23/2021
0 answerI have installed openFoam on Debian GNU/Linux and learning from official user guide. I have a problem with generating streamlines. I am trying to generate streamlines as...
Asked on 10/23/2021
1 answerI am writing the code relate to math. There is some complicated math formulation in the project. Directly writing the calculation code leads to hard understanding; thus I want to...
Asked on 10/23/2021
1 answerMy background: I have taken some courses on numerical analysis during my PhD and read a few books on the topic as well. I mostly work on low Reynolds number...
Asked on 10/23/2021
3 answerI have a 1D convection-diffusion equation $sigma_t = a(x,t) sigma_{xx}+b(x,t)sigma_x+f(x,t)$ defined on the unit interval, with nonzero Neumann boundary conditions at both ends. It should be noted that the...
Asked on 10/23/2021
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