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I am trying to figure out how to get the solution curve to an NDSolve to slide along once it reaches a boundary and then to exit the CrossSlidingDiscontinuity once...
Asked on 12/03/2020
0 answerClear[x, y] eq1 = ((9/10)^x)*Cos[5 x] == y^3 eq2 = x^2 + 1 x*y^2 + 3*y^4 - 8*y...
Asked on 12/03/2020
4 answerI tried to open my corrupted nb file using the "parse and load the entire notebook into memory" and received a message saying there is a syntax error: ...
Asked on 12/03/2020 by Hengming Li
0 answerI'm using NonlinearModelFit to fit 5 parameters to some data points and the "ParameterConfidenceIntervalTable" gives me the estimates with the CIs. Now I want to know if the...
Asked on 12/03/2020 by Axel
1 answerUnfortunately, I have not yet understood the Neural Network well.Suppose there is simple network (like Kauffman automata):several nodes that can only be in states 1-0, connections between them,...
Asked on 12/03/2020 by lesobrod
1 answerThe model is a simple eigenvalue problem. A matrix that depends on some parameters kx, ky, t, defined by:gamma = {KroneckerProduct[PauliMatrix[1], IdentityMatrix[2]], KroneckerProduct[PauliMatrix[3], IdentityMatrix[2]], ...
Asked on 12/03/2020 by Gabriel Aller
2 answerIn a similar fashion to the question asked here, I am having trouble trying to get Integrate to correctly determine the units of the integrand: ...
Asked on 12/02/2020 by Vince McKinsey
0 answerI have just installed 12.1 and was trying to have a 3D plot. The problem I have is that the color of the 3D plot is very dark (attached figure...
Asked on 12/01/2020 by yundong ren
3 answerI need to efficiently generate a bunch of bifurcation diagrams. A simple familiar example illustrates the efficiency problems I'm running into: ListPlot[Catenate[Table[{x, #}...
Asked on 12/01/2020 by Jerry Guern
3 answerI was trying to implement some tools to do commutators on quantum mechanics, just for fun. Then I noted a peculiarity:In[1] := TensorExpand[(-ℏ).a]Out[1] := ℏ (-1).aWhich is not...
Asked on 12/01/2020 by Jacob Hilbert
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