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I am trying to solve a set of ODE's with switching. I implemented using WhenEvents.xd = {1/√6, √5/√6};x0 = {1/√2, 1/√2};min = -0.0001;max = 0.0001;tmax = 10;sol = NDSolve[{...
Asked on 10/01/2020
1 answerI am trying to solve a difference equation involving summation expression with the following code: RSolve[{s[n + 1] - (s[n]*(Z/A)) == Sum[((1/A)*((1 - (F*L1))^(n - m))*(Q + (YY* s[m...
Asked on 09/30/2020
0 answerI'm using the following code for calculation of reflection and transmission coefficients through square well potential:minE = 5;maxE = 200;nE = 200;energies = Subdivide[minE, maxE, nE - 1];reflections =...
Asked on 09/26/2020 by Kater Tatianow
1 answerI’m looking for any links or notebooks involving augmented reality. Any tools out there for Mathematica like ARKit?...
Asked on 09/25/2020 by user5601
1 answerIn the following code, the functions WP[t] and WS[t] are real. Time also is a positive parameter. As you can see, MATHEMATICA enters Abs in the calculations. Including Abs only...
Asked on 09/25/2020 by Mojtaba Rezaee
1 answerI'm trying to evaluate a system, that depends on two variables, in a specific set of values. I will write an example, but my system is more complicated.H =...
Asked on 09/25/2020 by Nohora Alejandra Hernndez Cepe
3 answerWhat is wrong here?fExp = f0 + f1 Sqrt[s] + f2 s + O[s]^(3/2);{s fExp + O[s]^(3/2),s f + O[s]^(3/2)/.f->fExp}Returns{SeriesData[s, 0, {f0}, 2, 3, 2], SeriesData[s, 0, {},...
Asked on 09/25/2020 by Weather Report
0 answerI have a list of lists of numbers:{{5,2,1},{8,1,3},{6,1,1,1},{8,1,3},{6,1,1,1},{8,1,3}}As you can see, they eventually cycle, but not immediately. I need a function that will take a list of lists of...
Asked on 09/24/2020 by Nico A
3 answerI want to create two planes in 3D space (looks like the following figure 1). Firstly, I try to use the ContourPlot3D and Polygon, but both of them will generate...
Asked on 09/24/2020 by likehust
2 answerCan you make a model like the video below? It's so amazing that I want to check it out.enter link description here...
Asked on 09/24/2020 by user21427
1 answerGet help from others!
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