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Hello,
I was just looking at the Schur Complement functionality of Pardiso and was studying the documentation for quite some time but there are still two things that I don't understand:
- How much memory should I allocate for the vector x when iparm(36)=1 or 2? (Obviously it can be bigger than n (the number of equations).
- What is the format in which the matrix is returned. It seems to be row-major dense format?
It would be very helpful if the documentation was more clear about this.
Thank you for your help,
Raffael
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HI Raffael,
- How much memory should I allocate for the vector x when iparm(36)=1 or 2? (Obviously it can be bigger than n (the number of equations).
[akalinki] Schur complement is the dense matrix K by K where K is number of unit element in perm array, so you need to provide array with size K*K*sizeof(data)
- What is the format in which the matrix is returned. It seems to be row-major dense format?
[akalinki] correct
Thanks,
Alex

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