| author | huffman | 
| Tue, 27 Dec 2011 12:49:03 +0100 | |
| changeset 45999 | cce7e6197a46 | 
| parent 41959 | b460124855b8 | 
| child 46543 | c7c289ce9ad2 | 
| permissions | -rw-r--r-- | 
| 41959 | 1 | (* Title: HOL/Matrix/Cplex.thy | 
| 16784 | 2 | Author: Steven Obua | 
| 3 | *) | |
| 4 | ||
| 5 | theory Cplex | |
| 32491 
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changeset | 6 | imports SparseMatrix LP ComputeFloat ComputeNumeral | 
| 28637 | 7 | uses "Cplex_tools.ML" "CplexMatrixConverter.ML" "FloatSparseMatrixBuilder.ML" | 
| 8 |   "fspmlp.ML" ("matrixlp.ML")
 | |
| 16784 | 9 | begin | 
| 10 | ||
| 27484 | 11 | lemma spm_mult_le_dual_prts: | 
| 12 | assumes | |
| 13 | "sorted_sparse_matrix A1" | |
| 14 | "sorted_sparse_matrix A2" | |
| 15 | "sorted_sparse_matrix c1" | |
| 16 | "sorted_sparse_matrix c2" | |
| 17 | "sorted_sparse_matrix y" | |
| 18 | "sorted_sparse_matrix r1" | |
| 19 | "sorted_sparse_matrix r2" | |
| 20 | "sorted_spvec b" | |
| 31816 | 21 | "le_spmat [] y" | 
| 27484 | 22 | "sparse_row_matrix A1 \<le> A" | 
| 23 | "A \<le> sparse_row_matrix A2" | |
| 24 | "sparse_row_matrix c1 \<le> c" | |
| 25 | "c \<le> sparse_row_matrix c2" | |
| 26 | "sparse_row_matrix r1 \<le> x" | |
| 27 | "x \<le> sparse_row_matrix r2" | |
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changeset | 28 |   "A * x \<le> sparse_row_matrix (b::('a::lattice_ring) spmat)"
 | 
| 27484 | 29 | shows | 
| 31816 | 30 | "c * x \<le> sparse_row_matrix (add_spmat (mult_spmat y b) | 
| 27484 | 31 | (let s1 = diff_spmat c1 (mult_spmat y A2); s2 = diff_spmat c2 (mult_spmat y A1) in | 
| 31816 | 32 | add_spmat (mult_spmat (pprt_spmat s2) (pprt_spmat r2)) (add_spmat (mult_spmat (pprt_spmat s1) (nprt_spmat r2)) | 
| 33 | (add_spmat (mult_spmat (nprt_spmat s2) (pprt_spmat r1)) (mult_spmat (nprt_spmat s1) (nprt_spmat r1))))))" | |
| 27484 | 34 | apply (simp add: Let_def) | 
| 28637 | 35 | apply (insert assms) | 
| 29667 | 36 | apply (simp add: sparse_row_matrix_op_simps algebra_simps) | 
| 37 | apply (rule mult_le_dual_prts[where A=A, simplified Let_def algebra_simps]) | |
| 27484 | 38 | apply (auto) | 
| 39 | done | |
| 16784 | 40 | |
| 27484 | 41 | lemma spm_mult_le_dual_prts_no_let: | 
| 42 | assumes | |
| 43 | "sorted_sparse_matrix A1" | |
| 44 | "sorted_sparse_matrix A2" | |
| 45 | "sorted_sparse_matrix c1" | |
| 46 | "sorted_sparse_matrix c2" | |
| 47 | "sorted_sparse_matrix y" | |
| 48 | "sorted_sparse_matrix r1" | |
| 49 | "sorted_sparse_matrix r2" | |
| 50 | "sorted_spvec b" | |
| 31816 | 51 | "le_spmat [] y" | 
| 27484 | 52 | "sparse_row_matrix A1 \<le> A" | 
| 53 | "A \<le> sparse_row_matrix A2" | |
| 54 | "sparse_row_matrix c1 \<le> c" | |
| 55 | "c \<le> sparse_row_matrix c2" | |
| 56 | "sparse_row_matrix r1 \<le> x" | |
| 57 | "x \<le> sparse_row_matrix r2" | |
| 35028 
108662d50512
more consistent naming of type classes involving orderings (and lattices) -- c.f. NEWS
 haftmann parents: 
32491diff
changeset | 58 |   "A * x \<le> sparse_row_matrix (b::('a::lattice_ring) spmat)"
 | 
| 27484 | 59 | shows | 
| 31816 | 60 | "c * x \<le> sparse_row_matrix (add_spmat (mult_spmat y b) | 
| 61 | (mult_est_spmat r1 r2 (diff_spmat c1 (mult_spmat y A2)) (diff_spmat c2 (mult_spmat y A1))))" | |
| 28637 | 62 | by (simp add: assms mult_est_spmat_def spm_mult_le_dual_prts[where A=A, simplified Let_def]) | 
| 16784 | 63 | |
| 27484 | 64 | use "matrixlp.ML" | 
| 16784 | 65 | |
| 27484 | 66 | end |