I have a very simple issue with Mathematica, but I can't seem to find an answer for it.
I solved an equation with DSolve, and I got a result as an array of the following type:
Solution = { A11 -> Function[ {t} , expression1] , A22 ->Function[ {t}, expression 2] , etc }
Now I want to define...
Hmm, if I use this one, I only get one vector listing all 9 equations, but it does not solve them. The real problem would be too big to write here, that is why I posted just a simple example.
Thanks Bill, it seems to work. I just have to extend the code you've given to suit something like:
A={{A00,A01,A02},{A10,A11,A12},{A20,A21,A22}}
and
B={{cA11-dA22 , eA01, fA02},{gA10, hA11+jA22, kA12},{lA20,mA21,nA11-oA22}}
where a,b,c,d... are simple coefficients and A00,A01... are the 9...
I want to solve a differential equation of the form
d/dt (R) = B(t)
where R and B are two complex matrices, with time dependent functions as their coefficients.
I want to solve these 3x3 differential equations (ones on the diagonal are actually coupled) and to obtain a matrix form for R. So...
1. I have managed to find the following notebook that would prove useful for me in calculating the concurrence of a 2-qubit state.
http://library.wolfram.com/infocenter/MathSource/6227/
2. The problem is that the code is for Mathematica 5.0, and try as I may, I could not make it...
Say I have the following matrix, written in Mathematica
A := {{a11, a12, a13, a14}, {a21, a22, a23, a24}, {a31, a32, a33,
a34}, {a41, a42, a43, a44}}
I want to exchange the positions of a12 and a21, a14 and a23, a32 and a41 , a34 and a43.
Any ideas?
Thanks.
Dauto, I know they represent the masses of the short and long lived states. The problem is I cannot find their numerical values anywhere, only their difference. Does anyone know what are the specific values of ms and ml?
L.E. Ok , so I managed to solve it and it works. Topic can be closed.
I need to parametrize these values in order to verify a bell inequality, and the result that I get is not ok. This was my question, how can I parametrize these 4 values with the information above, because it seems that only the mL-mS difference is measured, but I haven't found mS and mL themselves.
Homework Statement
Ok, so I need to make a software that will simulate a neutral kaon system, and I only have the following data about the masses and decay widths:
gammaS = 580*gammaL {S = short lived state, L = long lived state}
mS - mL = 0.477*gammaS
Homework Equations
How...
I need to define some "general" variables in Mathematica 8, and I wonder if this can be done the following way.
Say ta[n] and tb[m] are my variables, in turn depending on n and m.
I want to define a function, for example
E[ta[n]_ , tb[m]_ ] := Cos[ ta[n] ] + Sin [tb[m] ] (just a simple...
So considering I have two bases (a,b) and (a', b'), with
a' = 1/sqr(2) ( a + b)
b' = 1/sqr(2) (a - b)
am I correct in saying that the unitary transformation between them is
U = 1/sqr(2) ## \left( \begin{array}{cc}
1 & 1 \\
1 & -1 \\ \end{array} \right) ##. ?
and then
Then ##...
I have two possible bases (a,b) and (a',b'). If I also have the transformation matrix P, such that
P(a,b)=(a',b'), am I correct in assuming that I can change an operator A, from the (a,b) basis to the (a',b') basis by applying
A' = P_transposed * A * P ?