determinant of this matrix [F1(D) F2(D) ; F3(D) F4(D)]=???

aboozar.hamidipoor · May 22, 2006

Hi all,

how should I get the determinant of Matrices containing differntial operators with variant coefficients.
such as this Matrix:

Marshal · May 29, 2006

Re: determinant of this matrix [F1(D) F2(D) ; F3(D) F4(D)]=?

I think it's not possible to define a determinant for tis matrix...

aboozar.hamidipoor · May 30, 2006

Re: determinant of this matrix [F1(D) F2(D) ; F3(D) F4(D)]=?

Marshal said:
I think it's not possible to define a determinant for tis matrix...

I hope not but maybe...

goumaiy · Jun 3, 2006

Re: determinant of this matrix [F1(D) F2(D) ; F3(D) F4(D)]=?

It's a matter of order. We know that x^2D is not equal to Dx^2.

aboozar.hamidipoor · Jun 4, 2006

Re: determinant of this matrix [F1(D) F2(D) ; F3(D) F4(D)]=?

goumaiy said:
It's a matter of order. We know that x^2D is not equal to Dx^2.

Yes, that's right...

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