Issue with solve and vpasolve:

I have this system of 10 equations in the same amount of variables, implemented as symbolic variables. I arranged my equations in a 1x10 vector named syst and I'm trying to solve it using "solve".

"solve(syst)" works fine but "solve(syst')" returns the following warning and returns a struct of 10 empty fields:

Warning: Cannot find explicit solution. 
> In solve (line 316) 

SOL = 

        B: [0x1 sym]
        D: [0x1 sym]
      xB1: [0x1 sym]
      xB2: [0x1 sym]
      xB3: [0x1 sym]
      xB4: [0x1 sym]
      xD1: [0x1 sym]
      xD2: [0x1 sym]
      xD3: [0x1 sym]
      xD4: [0x1 sym]

Same goes for "vpasolve", but without the warning

It's not really an issue, I'd just like to know why does it happen.

Thank you!

Answer 1

[Walter Roberson]

It is not uncommon for equations to have exact solutions but for their complex conjugate to not have any exact solution.

I suspect you forgot that the ' operator is complex conjugate transpose, not just transpose.

[Matteo Giovanni Perego]

Yes I forgot about that. Thank you!