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family function x^2 - 2*(m - 2)*x + m - 2a) Create a Manipulate to explore the behaviour of the functions of this family for m ∈ [-10,10]. Mark the...
Asked on 04/24/2021 by hihograss
2 answerI have a difficulty in calculating the following integral with Mathematica: $$int^{pi}_{0}rm dtheta_1frac{ sin^2theta_1[2(2-costheta_1costheta)^2+(sinthetasintheta_1)^2]}{[(2-costheta_1costheta)^2-(sinthetasintheta_1)^2]^{5/2}},$$where $ pi>theta>0 $. Here is the code: Integrate[Sin[th1]^2*(2*(2 - Cos[th]*Cos[th1])^2...
Asked on 04/23/2021 by Qin-Tao Song
3 answerSay I have a vectorX[n_] := Table[Subscript[x, i], {i, 1, n}]and a matrix of connections:W[n_, w_, [Omega]_] := IdentityMatrix[n]*w + (1 - IdentityMatrix[n])*[Omega]And I define the following expressions...
Asked on 04/23/2021 by Girardi
1 answerI have a list:lis = {{"b","x","d"},{"a","z","b"},{"a","x","b"},{"a","x","c"},{"b","z","d"}}Certain consecutive elements of this list will have identical first and last members (in this example, "a" and "b" in lis[[2]] and lis[[3]]) and...
Asked on 04/23/2021 by Suite401
2 answerI want to plot the output function of omega with the rest of the variables as parameters. I tried but its not plotting due t some reason. I tried removing...
Asked on 04/23/2021
0 answerI haveu0[r_, phi_] := Sum[I^(-n) BesselJ[n, r] Exp[I n phi], {n, -n, n}];Limit[u0[r, phi], n -> Infinity]but the result is not exportable to TEX, as it is hidden. How...
Asked on 04/23/2021 by Atelier
1 answerI want to use input() in Python code which runs in the Wolfram Notebook. So I create an external evaluation cell by typing ">" and choosing Python. Then I define...
Asked on 04/23/2021
1 answerHere I used Reduce to solve that complicated equation in complexes but MMA didn't give an answer after a few mins. I wonder whether there're some functions could solve equations...
Asked on 04/23/2021 by guoqing
1 answerIf I have two polynomials $p(x),q(x)$, PolynomialGCD[p,q,x] can give me their greatest common divisor. But how to compute the polynomials $a(x),b(x)$ such that $d(x)=a(x)p(x)+b(x)q(x)$? I'm having trouble...
Asked on 04/22/2021 by John Blutarsky
1 answerThis simple example gives a strange error.DynamicModule[{Go = True}, Animate[ EventHandler[ Graphics[Rotate[Rectangle[], t]], ...
Asked on 04/22/2021 by user6130990
1 answerGet help from others!
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