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Results tagged with equation-solving
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user 61206
Questions on the analytic and numerical equation solving functions of Mathematica (Solve, Reduce, NSolve, FindRoot, DSolve, RSolve, etc.).
1
vote
1
answer
52
views
Solve assigns variable outside of loop, but fails inside For loop [closed]
This code works when it is not in a for loop, but as soon as I put it in a loop it stops assigning the variable q.
fdotf[x_, y_, z_,w_] = (4*x - 2*y + 3*z - 5*w)^2 + (3*x + 3*y + 5*z -
8*w)^2 + ( …
- 181
0
votes
1
answer
36
views
finding min S such that integral is greater than some value
I have this function $R(r)$, and $r*R^2$ is a probability density function.
R[n_, l_, r_] :=
Sqrt[(n - l - 1)!/(2*n*((l + 1)!)^3)]*(2/(n*a))^(l + 1/2)*
D[LaguerreL[n + l, (2*r)/(n*a)], {r, 2*l + …
- 181