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Markus Schmidt 2025-11-12 00:14:28 +01:00
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Memory needed
A) 2Vectors + Result: (2N+1)*sizeof(datatype)
B) Matrix + Vector + Resultvector: (N*M+N+M)*sizeof(datatype)
C) Matrix + Matrix + Resultmatrix: (M*L+L*N+M*N)*sizeof(datatype)
D) Coefficients + Vector + Result: (p+1+2N)*sizeof(datatype)
Number of floating point operations
A) N mult N add =>2*N
B) M times skalar prod => 2*M*N
C) (Matrix vector product of M*L Matrix with an L Vector) N times => 2*M*N*L
D) N times(p times * and p times +/- [with Horner's method]) => 2*N*p
Number of Read/Write operations
A) Read: 2*N Write: 1
B) Read: 2*M*N Write: M
C) Read: 2*M*N*L Write: M*N
D) Read: N*p Write: N