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N= [i,1;-1,i]
I used this theorem: N N^{-1} = I_{n}
Thus:
[i,1;-1,i]*[a,b:c,d]=[1,1;1,1]
I then found:
ia+c=1
ib+d=1
-a+ic=1
-b+id=1
Can I conclude an inverse does not exist. If so, how?
If not, what do I do?
Thanks,
Frank
I used this theorem: N N^{-1} = I_{n}
Thus:
[i,1;-1,i]*[a,b:c,d]=[1,1;1,1]
I then found:
ia+c=1
ib+d=1
-a+ic=1
-b+id=1
Can I conclude an inverse does not exist. If so, how?
If not, what do I do?
Thanks,
Frank