Find a matrix such that the systems are

annlanw09y

annlanw09y

Answered question

2022-04-05

Find a matrix such that the systems are equivalent
Take the system
{w=vvμv+v=0 
for μR
Find a constant matrix Aμ such that the above system is equivalent to
v'w'=Aμv'w'
My first thought was to find a solution to v μv+v=0. Taking the characteristic polynomial as r2μr+1=0, I get r=12(μ±μ24). Not really sure what to do at this point, however. Another way to solve this might be first to replace v' in the second equation with w to get v μw+v=0 but I'm not sure where to go from there either.

Answer & Explanation

anghoelv1lw

anghoelv1lw

Beginner2022-04-06Added 19 answers

Step 1
(I'm assuming here that you meant v'w'=Aμvw instead of v'w'=Aμv'w'; in the latter case, Aμ would just be the identity matrix.)
If you replace v' with w in the second line of your equation and isolate each equation for v' and w', you get:
{v=ww=v+μw 
Step 2
Now all you have to do is find a matrix of coefficients a through d such that:
v'w'=abcdvw
For this matrix to correspond to your set of equations, it must be the case that a=0,b=1,c=1, and d=μ.

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