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REFERENCES
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Index
A
A, A, AI, AI , see "admissiblevariations"
admissible pair, 343admissible functions,
fixed endpoints, F, 153, 184,199
one fixed endpoint , F I , 157admissible variations,
ments, 69norm on a ring, 68regular element of a ring, 67unit in a ring, 67
Runckel, Hans-J., 69
S
Schelling, A., 138second variation, 160self-conjoined, 95semi-group property, 79sesquilinear form, 218singular value decomposition (SVD),
337solution, 2, 31, 281solution independent from X o, 116spurious solution, 196steady state equation, 271-272strengthened Jacobi condition, 226Sturm Separation Theorems, dis-
cretecomparison, 215separation, 221
summation by parts formula, 156vector case, 185
summation conventions, 105, 111,296
summation operator, 112SVD, singular value decomposi
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