This is what you want to do:
In [1]: %paste
import sympy
from sympy.printing.latex import LatexPrinter
class CustomLatexPrinter(LatexPrinter):
def _print_Adjoint(self, expr):
mat = expr.arg
from sympy.matrices import MatrixSymbol
if not isinstance(mat, MatrixSymbol):
return r"\left(%s\right)^H" % self._print(mat)
else:
return "%s^H" % self._print(mat)
## -- End pasted text --
In [2]: def my_latex(expr, **settings):
...: return CustomLatexPrinter(settings).doprint(expr)
...:
In [3]: %paste
Nk, Nx = sympy.symbols('N_k N_x')
FT = sympy.MatrixSymbol('\mathcal{F}', Nx, Nk)
s = sympy.MatrixSymbol('s',Nk,1)
Sigmax = sympy.MatrixSymbol('\Sigma_x', Nx, Nx)
Sigmak = sympy.MatrixSymbol('\Sigma_k', Nk, Nk)
W = sympy.MatrixSymbol('W',Nk,Nk)
F = FT*W
m = sympy.MatrixSymbol('m',1,Nx)
Sigmax = m*F*Sigmak*F.adjoint()*m.adjoint()
## -- End pasted text --
In [4]: my_latex(Sigmax)
Out[4]: 'm \\mathcal{F} W \\Sigma_{k} W^H \\mathcal{F}^H m^H'
Jason
moorepants.info
+01 530-601-9791
On Sun, Jan 31, 2016 at 6:03 PM, Michael Hansen <
[email protected]> wrote:
>
> import sympy
> from sympy.printing.latex import LatexPrinter
>
> class CustomLatexPrinter(LatexPrinter):
> def _print_Adjoint(self, expr):
> mat = expr.arg
> from sympy.matrices import MatrixSymbol
> if not isinstance(mat, MatrixSymbol):
> return r"\left(%s\right)^H" % self._print(mat)
> else:
> return "%s^H" % self._print(mat)
>
>
> sympy.init_session()
> sympy.Basic.__str__ = lambda self: CustomLatexPrinter().doprint(self)
>
> Nk, Nx = sympy.symbols('N_k N_x')
> FT = sympy.MatrixSymbol('\mathcal{F}', Nx, Nk)
> s = sympy.MatrixSymbol('s',Nk,1)
> Sigmax = sympy.MatrixSymbol('\Sigma_x', Nx, Nx)
> Sigmak = sympy.MatrixSymbol('\Sigma_k', Nk, Nk)
> W = sympy.MatrixSymbol('W',Nk,Nk)
> F = FT*W
> m = sympy.MatrixSymbol('m',1,Nx)
>
> Sigmax = m*F*Sigmak*F.adjoint()*m.adjoint()
>
> latex(Sigmax)
>
> Last line's result is:
>
> 'm \\mathcal{F} W \\Sigma_{k} W^\\dag \\mathcal{F}^\\dag m^\\dag'
>
>
> If I do:
>
>
> tmp = CustomLatexPrinter()
> tmp.doprint(Sigmax)
>
>
> The result is:
>
>
> 'm \\mathcal{F} W \\Sigma_{k} W^H \\mathcal{F}^H m^H'
>
>
> I think I just don't know what to overload.
>
> On Sunday, January 31, 2016 at 3:04:32 PM UTC-5, Michael Hansen wrote:
>>
>> Quick question. Is there a way to change what symbols are used for things
>> like adjoint for a matrix. In latex, it is currently \dagger but I would
>> rather use "H" or something like that.
>>
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