test/Tools/isac/Knowledge/eqsystem-2.sml
author wneuper <Walther.Neuper@jku.at>
Thu, 04 Aug 2022 12:48:37 +0200
changeset 60509 2e0b7ca391dc
parent 60500 59a3af532717
child 60549 c0a775618258
permissions -rw-r--r--
polish naming in Rewrite_Order
     1 (* Title: Knowledge/eqsystem-2.sml
     2    author: Walther Neuper 050826,
     3    (c) due to copyright terms
     4 *)
     5 
     6 "-----------------------------------------------------------------";
     7 "table of contents -----------------------------------------------";
     8 "-----------------------------------------------------------------";
     9 "----------- occur_exactly_in ------------------------------------";
    10 "----------- problems --------------------------------------------";
    11 "----------- rewrite-order ord_simplify_System -------------------";
    12 "----------- rewrite in [EqSystem,normalise,2x2] -----------------";
    13 "----------- rewrite example from 2nd [EqSystem,normalise,2x2] ---";
    14 "----------- rewrite in [EqSystem,top_down_substitution,2x2] -----";
    15 "----------- rewrite in [EqSystem,normalise,4x4] -----------------";
    16 "----------- script [EqSystem,top_down_substitution,2x2] Vers.1 --";
    17 "----------- refine [linear,system]-------------------------------";
    18 "----------- refine [2x2,linear,system] search error--------------";
    19 "----------- me [EqSystem,normalise,2x2] -------------------------";
    20 (*^^^--- eqsystem-1.sml ######### together exceed resources here, but not in Test_Isac.thy #####
    21   vvv--- eqsystem-2.sml ######### together exceed resources here, but not in Test_Isac.thy #####*)
    22 "----------- me [linear,system] ..normalise..top_down_sub..-------";
    23 "----------- all systems from Biegelinie -------------------------";
    24 "----------- 4x4 systems from Biegelinie -------------------------";
    25 "-----------------------------------------------------------------";
    26 "-----------------------------------------------------------------";
    27 "-----------------------------------------------------------------";
    28 
    29 val thy = @{theory "EqSystem"};
    30 val ctxt = Proof_Context.init_global thy;
    31 
    32 "----------- me [linear,system] ..normalise..top_down_sub..-------";
    33 "----------- me [linear,system] ..normalise..top_down_sub..-------";
    34 "----------- me [linear,system] ..normalise..top_down_sub..-------";
    35 val fmz = 
    36     ["equalities\
    37      \[0 = c_2 + c * 0 + 1 / EI * (L * q_0 / 12 * 0 \<up> 3 +                \
    38      \                                            - 1 * q_0 / 24 * 0 \<up> 4),\
    39      \ 0 = c_2 + c * L + 1 / EI * (L * q_0 / 12 * L \<up> 3 +                \
    40      \                                            - 1 * q_0 / 24 * L \<up> 4)]",
    41      "solveForVars [c, c_2]", "solution LL"];
    42 val (dI',pI',mI') =
    43   ("Biegelinie",["LINEAR", "system"], ["no_met"]);
    44 val p = e_pos'; val c = []; 
    45 val (p,_,f,nxt,_,pt) = CalcTreeTEST [(fmz, (dI',pI',mI'))];
    46 val (p,_,f,nxt,_,pt) = me nxt p c pt;val (p,_,f,nxt,_,pt) = me nxt p c pt;
    47 val (p,_,f,nxt,_,pt) = me nxt p c pt;val (p,_,f,nxt,_,pt) = me nxt p c pt;
    48 val (p,_,f,nxt,_,pt) = me nxt p c pt;val (p,_,f,nxt,_,pt) = me nxt p c pt;
    49 val (p,_,f,nxt,_,pt) = me nxt p c pt;
    50 case nxt of (Specify_Method ["EqSystem", "normalise", "2x2"]) => ()
    51 	  | _ => error "eqsystem.sml [linear,system] specify b";
    52 val (p,_,f,nxt,_,pt) = me nxt p c pt;
    53 val (p,_,f,nxt,_,pt) = me nxt p c pt;f2str f;
    54 val (p,_,f,nxt,_,pt) = me nxt p c pt;f2str f;
    55 val (p,_,f,nxt,_,pt) = me nxt p c pt;f2str f;
    56 val (p,_,f,nxt,_,pt) = me nxt p c pt;f2str f;
    57 val (p,_,f,nxt,_,pt) = me nxt p c pt;f2str f;
    58 if f2str f =(*BEFORE "eliminate ThmC.numerals_to_Free"..
    59   "[c_2 = 0, L * c + c_2 = - 1 * q_0 * L \<up> 4 / (24 * EI)]"*)
    60   "[c_2 = 0, L * c + c_2 = - 1 * q_0 * L \<up> 4 / 24]"
    61 then () else error "eqsystem.sml me simpl. before SubProblem b";
    62 case nxt of
    63     (Subproblem ("Biegelinie", ["triangular", "2x2", "LINEAR",_])) => ()
    64   | _ => error "eqsystem.sml me [linear,system] SubProblem b";
    65 
    66 val (p,_,f,nxt,_,pt) = me nxt p c pt;val (p,_,f,nxt,_,pt) = me nxt p c pt;
    67 val (p,_,f,nxt,_,pt) = me nxt p c pt;val (p,_,f,nxt,_,pt) = me nxt p c pt;
    68 val (p,_,f,nxt,_,pt) = me nxt p c pt;val (p,_,f,nxt,_,pt) = me nxt p c pt;
    69 val (p,_,f,nxt,_,pt) = me nxt p c pt;val (p,_,f,nxt,_,pt) = me nxt p c pt;
    70 case nxt of
    71     (Specify_Method ["EqSystem", "top_down_substitution", "2x2"]) => ()
    72   | _ => error "eqsystem.sml me [EqSys...2x2] top_down_substitution b";
    73 
    74 val (p,_,f,nxt,_,pt) = me nxt p c pt;
    75 val PblObj {probl,...} = get_obj I pt [5];
    76     (writeln o (I_Model.to_string (Proof_Context.init_global @{theory Isac_Knowledge}))) probl;
    77 (*[
    78 (1 ,[1] ,true ,#Given ,Cor equalities [c_2 = 0, L * c + c_2 = q_0 * L \<up> 2 / 2] ,(es_, [[c_2 = 0, L * c + c_2 = q_0 * L \<up> 2 / 2]])),
    79 (2 ,[1] ,true ,#Given ,Cor solveForVars [c, c_2] ,(v_s, [[c, c_2]])),
    80 (3 ,[1] ,true ,#Find ,Cor solution ss___ ,(ss___, [ss___]))]
    81 *)
    82 val (p,_,f,nxt,_,pt) = me nxt p c pt;f2str f;
    83 val (p,_,f,nxt,_,pt) = me nxt p c pt;f2str f;
    84 val (p,_,f,nxt,_,pt) = me nxt p c pt;f2str f;
    85 val (p,_,f,nxt,_,pt) = me nxt p c pt;f2str f;
    86 val (p,_,f,nxt,_,pt) = me nxt p c pt;f2str f;
    87 val (p,_,f,nxt,_,pt) = me nxt p c pt;f2str f;
    88 val (p,_,f,nxt,_,pt) = me nxt p c pt;f2str f;
    89 val (p,_,f,nxt,_,pt) = me nxt p c pt;f2str f;
    90 case nxt of
    91     (Check_Postcond ["triangular", "2x2", "LINEAR", "system"]) => ()
    92   | _ => error "eqsystem.sml me Subpbl .[EqSys...2x2] finished b";
    93 val (p,_,f,nxt,_,pt) = me nxt p c pt;f2str f;
    94 val (p,_,f,nxt,_,pt) = me nxt p c pt;f2str f;
    95 
    96 if f2str f =(*BEFORE "eliminate ThmC.numerals_to_Free"..
    97   "[c = - 1 * q_0 * L \<up> 3 / (24 * EI), c_2 = 0]"*)
    98   "[c = - 1 * q_0 * L \<up> 3 / 24, c_2 = 0]"
    99 then () else error "eqsystem.sml me [EqSys...2x2] finished f2str f b";
   100 case nxt of
   101     (End_Proof') => ()
   102   | _ => error "eqsystem.sml me [EqSys...2x2] finished End_Proof'";
   103 
   104 
   105 "----------- all systems from Biegelinie -------------------------";
   106 "----------- all systems from Biegelinie -------------------------";
   107 "----------- all systems from Biegelinie -------------------------";
   108 val thy = @{theory Isac_Knowledge}
   109 val subst = 
   110   [(TermC.str2term "bdv_1", TermC.str2term "c"), (TermC.str2term "bdv_2", TermC.str2term "c_2"),
   111 	(TermC.str2term "bdv_3", TermC.str2term "c_3"), (TermC.str2term "bdv_4", TermC.str2term "c_4")]; 
   112 
   113 "------- Bsp 7.27";
   114 reset_states ();
   115 CalcTree [(
   116   ["Traegerlaenge L", "Streckenlast q_0", "Biegelinie y",
   117 	  "Randbedingungen [y 0 = (0::real), y L = 0, M_b 0 = 0, M_b L = 0]", "FunktionsVariable x"],
   118 	("Biegelinie", ["Biegelinien"], ["IntegrierenUndKonstanteBestimmen2"]))];
   119 moveActiveRoot 1;
   120 (*
   121 LItool.trace_on := true; autoCalculate 1 CompleteCalc; LItool.trace_on := false;
   122 ##7.27##          ordered           substs
   123           c_4       c_2           
   124 c c_2 c_3 c_4     c c_2             1->2: c
   125   c_2                       c_4	  
   126 c c_2             c c_2 c_3 c_4     [2':c, 1:c_2, 3:c_4] -> 4:c_3*)
   127 val t = TermC.str2term
   128   ("[0 = c_4, " ^
   129   "0 = c_4 + L * c_3 +(12 * L \<up> 2 * c_2 + 4 * L \<up> 3 * c + - 1 * L \<up> 4 * q_0) / (- 24 * EI), " ^
   130   "0 = c_2, " ^
   131   "0 = (2 * c_2 + 2 * L * c + - 1 * L \<up> 2 * q_0) / 2]");
   132 val SOME (t, _) = rewrite_set_ ctxt false isolate_bdvs_4x4 t;
   133 if UnparseC.term t =
   134 "[c_4 = 0,\n (12 * L \<up> 2 * c_2 + 4 * L \<up> 3 * c + - 1 * L \<up> 4 * q_0) /\n (- 24 * EI) =\n - 1 * (c_4 + L * c_3) + 0,\n c_2 = 0, (2 * c_2 + 2 * L * c + - 1 * L \<up> 2 * q_0) / 2 = 0]"
   135 then () else error "Bsp 7.27";
   136 
   137 "----- Bsp 7.27 go through the rewrites in met_eqsys_norm_4x4";
   138 val t = TermC.str2term "0 = (2 * c_2 + 2 * L * c + - 1 * L \<up> 2 * q_0) / 2";
   139 val NONE = rewrite_set_ ctxt false norm_Rational t;
   140 val SOME (t,_) = 
   141     rewrite_set_inst_ ctxt false subst simplify_System_parenthesized t;
   142 if UnparseC.term t = "0 = - 1 * q_0 * L \<up> 2 / 2 + (L * c + c_2)"
   143 then () else error "Bsp 7.27 go through the rewrites in met_eqsys_norm_4x4";
   144 
   145 "--- isolate_bdvs_4x4";
   146 (*
   147 val SOME (t,_) = rewrite_set_inst_ ctxt false subst isolate_bdvs_4x4 t;
   148 UnparseC.term t;
   149 val SOME (t,_) = rewrite_set_inst_ ctxt false subst simplify_System t;
   150 UnparseC.term t;
   151 val SOME (t,_) = rewrite_set_ ctxt false order_system t;
   152 UnparseC.term t;
   153 *)
   154 
   155 "------- Bsp 7.28 ---------------vvvvvvvvvvvvv Momentenlinie postponed";
   156 reset_states ();
   157 CalcTree [((*WN130908  <ERROR> error in kernel </ERROR>*)
   158   ["Traegerlaenge L", "Momentenlinie (-q_0 / L * x \<up> 3 / 6)",
   159 	    "Biegelinie y",
   160 	    "Randbedingungen [y L = 0, y' L = 0]",
   161 	    "FunktionsVariable x"],
   162 	   ("Biegelinie", ["vonMomentenlinieZu", "Biegelinien"],
   163 	    ["Biegelinien", "AusMomentenlinie"]))];
   164 (*
   165 moveActiveRoot 1;
   166 LItool.trace_on := true; autoCalculate 1 CompleteCalc; LItool.trace_on := false;
   167 *)
   168 
   169 "------- Bsp 7.69";
   170 reset_states ();
   171 CalcTree [(
   172   ["Traegerlaenge L", "Streckenlast q_0", "Biegelinie y",
   173 	  "Randbedingungen [y 0 = (0::real), y L = 0, y' 0 = 0, y' L = 0]", "FunktionsVariable x"],
   174 	("Biegelinie", ["Biegelinien"], ["IntegrierenUndKonstanteBestimmen2"]))];
   175 moveActiveRoot 1;
   176 (*
   177 LItool.trace_on := true; autoCalculate 1 CompleteCalc; LItool.trace_on := false;
   178 ##7.69##          ordered           subst                   2x2
   179           c_4           c_3         
   180 c c_2 c_3 c_4     c c_2 c_3	    1:c_3 -> 2:c c_2        2:         c c_2
   181       c_3                   c_4	 			   
   182 c c_2 c_3         c c_2 c_3 c_4     3:c_4 -> 4:c c_2 c_3    1:c_3 -> 4:c c_2*)
   183 val t = TermC.str2term 
   184   ("[0 = c_4 + 0 / (- 1 * EI), " ^
   185   "0 = c_4 + L * c_3 + (12 * L \<up> 2 * c_2 + 4 * L \<up> 3 * c + - 1 * L \<up> 4 * q_0) / (- 24 * EI), " ^
   186   "0 = c_3 + 0 / (- 1 * EI), " ^
   187   "0 = c_3 + (6 * L * c_2 + 3 * L \<up> 2 * c + - 1 * L \<up> 3 * q_0) / (-6 * EI)]");
   188 
   189 "------- Bsp 7.70";
   190 reset_states ();
   191 CalcTree [(
   192   ["Traegerlaenge L", "Streckenlast q_0", "Biegelinie y",
   193 	  "Randbedingungen [Q 0 = q_0 * L, M_b L = 0, y 0 = (0::real), y' 0 = 0]", "FunktionsVariable x"],
   194 	("Biegelinie", ["Biegelinien"], ["IntegrierenUndKonstanteBestimmen2"] ))];
   195 moveActiveRoot 1;
   196 (*
   197 LItool.trace_on := true; autoCalculate 1 CompleteCalc; LItool.trace_on := false;
   198 ##7.70##        |subst
   199 c		|
   200 c c_2           |1:c -> 2:c_2
   201       c_3	|
   202           c_4   |            STOPPED.WN06? test methods @@@@@@@@@@@@@@@@@@@@@@@*)
   203 
   204 "----- 7.70 go through the rewrites in met_eqsys_norm_4x4";
   205 val t = TermC.str2term
   206   ("[L * q_0 = c, " ^
   207   "0 = (2 * c_2 + 2 * L * c + - 1 * L \<up> 2 * q_0) / 2, " ^
   208   "0 = c_4, " ^
   209   "0 = c_3]");
   210 val SOME (t,_) = rewrite_ ctxt Rewrite_Ord.function_empty Rule_Set.empty false @{thm commute_0_equality} t;
   211 val SOME (t,_) = rewrite_ ctxt Rewrite_Ord.function_empty Rule_Set.empty false @{thm commute_0_equality} t;
   212 val SOME (t,_) = rewrite_ ctxt Rewrite_Ord.function_empty Rule_Set.empty false @{thm commute_0_equality} t;
   213 if UnparseC.term t = 
   214   "[L * q_0 = c, (2 * c_2 + 2 * L * c + - 1 * L \<up> 2 * q_0) / 2 = 0,\n c_4 = 0, c_3 = 0]"
   215 then () else error "7.70 go through the rewrites in met_eqsys_norm_4x4, 1";
   216 
   217 val SOME (t,_) = rewrite_set_inst_ ctxt false subst simplify_System_parenthesized t;
   218 if UnparseC.term t = "[L * q_0 = c, - 1 * q_0 * L \<up> 2 / 2 + (L * c + c_2) = 0, c_4 = 0,\n c_3 = 0]"
   219 then () else error "7.70 go through the rewrites in met_eqsys_norm_4x4, 2";
   220 
   221 val SOME (t,_) = rewrite_set_inst_ ctxt false subst isolate_bdvs_4x4 t;
   222 if UnparseC.term t =
   223    "[c = (- 1 * (L * q_0) + 0) / - 1,\n" ^ 
   224    " L * c + c_2 = - 1 * (- 1 * q_0 * L \<up> 2 / 2) + 0, c_4 = 0, c_3 = 0]"
   225 then () else error "7.70 go through the rewrites in met_eqsys_norm_4x4, 3";
   226 
   227 val SOME (t,_) = rewrite_set_inst_ ctxt false subst simplify_System_parenthesized t;
   228 if UnparseC.term t =
   229   "[c = - 1 * L * q_0 / - 1, L * c + c_2 = q_0 * L \<up> 2 / 2, c_4 = 0,\n c_3 = 0]"
   230 then () else error "7.70 go through the rewrites in met_eqsys_norm_4x4, 4";
   231 
   232 val SOME (t, _) = rewrite_set_ ctxt false order_system t;
   233 if UnparseC.term t =
   234   "[c = - 1 * L * q_0 / - 1, L * c + c_2 = q_0 * L \<up> 2 / 2, c_3 = 0,\n c_4 = 0]"
   235 then () else error "eqsystem.sml: exp 7.70 normalise 4x4 by rewrite changed";
   236 
   237 "----- 7.70 with met normalise: ";
   238 val fmz = ["equalities" ^
   239   "[L * q_0 = c, " ^
   240   "0 = (2 * c_2 + 2 * L * c + - 1 * L \<up> 2 * q_0) / 2, " ^
   241   "0 = c_4, " ^
   242   "0 = c_3]", "solveForVars [c, c_2, c_3, c_4]", "solution LL"];
   243 val (dI',pI',mI') = ("Biegelinie",["LINEAR", "system"], ["no_met"]);
   244 val p = e_pos'; val c = [];
   245 
   246 (*============ inhibit exn WN120314 TODO: investigate type error (same as above)==
   247   in next but one test below the same type error.
   248 /-------------------------------------------------------\
   249 Type unification failed
   250 Type error in application: incompatible operand type
   251 
   252 Operator:  op # c_3 :: 'a list \<Rightarrow> 'a list
   253 Operand:   [c_4] :: 'b list
   254 \-------------------------------------------------------/
   255 
   256 val (p,_,f,nxt,_,pt) = CalcTreeTEST [(fmz, (dI',pI',mI'))];
   257 val (p,_,f,nxt,_,pt) = me nxt p c pt;val (p,_,f,nxt,_,pt) = me nxt p c pt;
   258 val (p,_,f,nxt,_,pt) = me nxt p c pt;val (p,_,f,nxt,_,pt) = me nxt p c pt;
   259 val (p,_,f,nxt,_,pt) = me nxt p c pt;val (p,_,f,nxt,_,pt) = me nxt p c pt;
   260 val (p,_,f,nxt,_,pt) = me nxt p c pt;val (p,_,f,nxt,_,pt) = me nxt p c pt;
   261 case nxt of (_,Apply_Method ["EqSystem", "normalise", "4x4"]) => ()
   262 	  | _ => error "eqsystem.sml [EqSystem,normalise,4x4] specify";
   263 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   264 
   265 "----- outcommented before Isabelle2002 --> 2011 -------------------------";
   266 (*-----------------------------------vvvWN080102 Exception- Match raised 
   267   since associate Rewrite .. Rewrite_Set
   268 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   269 
   270 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   271 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   272 
   273 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   274 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   275 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   276 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   277 if f2str f ="[c = L * q_0, L * c + c_2 = q_0 * L \<up> 2 / 2, c_3 = 0, c_4 = 0]" 
   278 then () else error "eqsystem.sml: exp 7.70 normalise 4x4 by met changed";
   279 --------------------------------------------------------------------------*)
   280 ============ inhibit exn WN120314 ==============================================*)
   281 
   282 "----- 7.70 with met top_down_: me";
   283 val fmz = [
   284   "equalities [(c::real) = L * q_0, L * c + (c_2::real) = q_0 * L \<up> 2 / 2, (c_3::real) = 0, (c_4::real) = 0]",
   285 	"solveForVars [(c::real), (c_2::real), (c_3::real), (c_4::real)]", "solution LL"];
   286 val (dI',pI',mI') =
   287   ("Biegelinie",["LINEAR", "system"],["no_met"]);
   288 val p = e_pos'; val c = []; 
   289 val (p,_,f,nxt,_,pt) = CalcTreeTEST [(fmz, (dI',pI',mI'))];
   290 val (p,_,f,nxt,_,pt) = me nxt p c pt;val (p,_,f,nxt,_,pt) = me nxt p c pt;
   291 val (p,_,f,nxt,_,pt) = me nxt p c pt;val (p,_,f,nxt,_,pt) = me nxt p c pt;
   292 val (p,_,f,nxt,_,pt) = me nxt p c pt;val (p,_,f,nxt,_,pt) = me nxt p c pt;
   293 val (p,_,f,nxt,_,pt) = me nxt p c pt;val (p,_,f,nxt,_,pt) = me nxt p c pt;
   294 case nxt of Apply_Method ["EqSystem", "top_down_substitution", "4x4"] => ()
   295 	  | _ => error "eqsystem.sml [EqSystem,top_down_,4x4] specify";
   296 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   297 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   298 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   299 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   300 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   301 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   302 if p = ([], Res) andalso
   303 (*           "[c = L * q_0, c_2 = - 1 * L \<up> 2 * q_0 / 2, c_3 = 0, c_4 = 0]"*)
   304    f2str f = "[c = L * q_0, c_2 = - 1 * L \<up> 2 * q_0 / 2, c_3 = 0, c_4 = 0]"
   305 then () else error "eqsystem.sml: 7.70 with met top_down_: me";
   306 
   307 "------- Bsp 7.71";
   308 reset_states ();
   309 CalcTree [(["Traegerlaenge L", "Streckenlast q_0", "Biegelinie y",
   310 	     "Randbedingungen [M_b L = 0, y 0 = (0::real), y L = 0, y' 0 = 0]",
   311 	     "FunktionsVariable x", "GleichungsVariablen [c, c_2, c_3, c_4]",
   312 	     "AbleitungBiegelinie dy"],
   313 	    ("Biegelinie", ["Biegelinien"],
   314 	     ["IntegrierenUndKonstanteBestimmen2"] ))];
   315 moveActiveRoot 1;
   316 (*
   317 LItool.trace_on := true; autoCalculate 1 CompleteCalc; LItool.trace_on := false;
   318 ##7.71##       |ordered       |subst.singles (recurs) |2x2       |diagonal
   319 c c_2          |c c_2	      |1'		      |1': c c_2 |
   320           c_4  |      c_3     |2:c_3 -> 4' :c c_2 c_4 |	         |
   321 c c_2 c_3 c_4  |          c_4 |3'                     |	         |
   322       c_3      |c c_2 c_3 c_4 |3:c_4 -> 4'':c c_2     |4'':c c_2 |      *)
   323 val t = TermC.str2term"[0 = (2 * c_2 + 2 * L * c + - 1 * L \<up> 2 * q_0) / 2, \
   324 \ 0 = c_4 + 0 / (- 1 * EI),                            \
   325 \ 0 = c_4 + L * c_3 +(12 * L \<up> 2 * c_2 + 4 * L \<up> 3 * c + - 1 * L \<up> 4 * q_0) /(- 24 * EI),\
   326 \ 0 = c_3 + 0 / (- 1 * EI)]";
   327 
   328 "------- Bsp 7.72a ---------------vvvvvvvvvvvvv Momentenlinie postponed";
   329 reset_states ();
   330 CalcTree [(["Traegerlaenge L",
   331 	    "Momentenlinie ((q_0 * L)/ 6 * x - q_0 /(6 * L) * x \<up> ^3)",
   332 	    "Biegelinie y",
   333 	    "Randbedingungen [y 0 = (0::real), y L = 0]",
   334 	    "FunktionsVariable x"],
   335 	   ("Biegelinie", ["vonMomentenlinieZu", "Biegelinien"],
   336 	    ["Biegelinien", "AusMomentenlinie"]))];
   337 moveActiveRoot 1;
   338 (*
   339 LItool.trace_on := true; autoCalculate 1 CompleteCalc; LItool.trace_on := false;
   340 *)
   341 
   342 "------- Bsp 7.72b";
   343 reset_states ();
   344 CalcTree [(["Traegerlaenge L", "Streckenlast (q_0 / L * x)", "Biegelinie y",
   345 	    "Randbedingungen [M_b 0 = 0, M_b L = 0, y 0 = (0::real), y L = 0]",
   346 	    "FunktionsVariable x", "GleichungsVariablen [c, c_2, c_3, c_4]",
   347 	    "AbleitungBiegelinie dy"],
   348 	   ("Biegelinie", ["Biegelinien"],
   349 	    ["IntegrierenUndKonstanteBestimmen2"] ))];
   350 moveActiveRoot 1;
   351 (*
   352 LItool.trace_on := true; autoCalculate 1 CompleteCalc; LItool.trace_on := false;
   353 ##7.72b##      |ord. |subst.singles         |ord.triang.
   354   c_2          |     |			    |c_2  
   355 c c_2	       |     |1:c_2 -> 2':c	    |c_2 c
   356           c_4  |     |			    |
   357 c c_2 c_3 c_4  |     |3:c_4 -> 4':c c_2 c_3 |c_2 c c_3*)
   358 val t = TermC.str2term"[0 = c_2,                                            \
   359 \ 0 = (6 * c_2 + 6 * L * c + - 1 * L \<up> 2 * q_0) / 6, \
   360 \ 0 = c_4 + 0 / (- 1 * EI),                            \
   361 \ 0 = c_4 + L * c_3 + (60 * L \<up> 2 * c_2 + 20 * L \<up> 3 * c + - 1 * L \<up> 4 * q_0) / (- 120 * EI)]";
   362 
   363 "------- Bsp 7.73 ---------------vvvvvvvvvvvvv Momentenlinie postponed";
   364 reset_states ();
   365 CalcTree [(["Traegerlaenge L", "Momentenlinie ???",(*description unclear*)
   366 	    "Biegelinie y",
   367 	    "Randbedingungen [y L = 0, y' L = 0]",
   368 	    "FunktionsVariable x"],
   369 	   ("Biegelinie", ["vonMomentenlinieZu", "Biegelinien"],
   370 	    ["Biegelinien", "AusMomentenlinie"]))];
   371 moveActiveRoot 1;
   372 (*
   373 LItool.trace_on := true; autoCalculate 1 CompleteCalc; LItool.trace_on := false;
   374 *)
   375 
   376 "----------- 4x4 systems from Biegelinie -------------------------";
   377 "----------- 4x4 systems from Biegelinie -------------------------";
   378 "----------- 4x4 systems from Biegelinie -------------------------";
   379 (*STOPPED.WN08?? replace this test with 7.70 *)
   380 "----- Bsp 7.27";
   381 val fmz = ["equalities \
   382 	   \[0 = c_4,                           \
   383 	   \ 0 = c_4 + L * c_3 +(12 * L \<up> 2 * c_2 + 4 * L \<up> 3 * c + - 1 * L \<up> 4 * q_0) / (- 24 * EI),                                       \
   384 	   \ 0 = c_2,                                           \
   385 	   \ 0 = (2 * c_2 + 2 * L * c + - 1 * L \<up> 2 * q_0) / 2]", 
   386 	   "solveForVars [c, c_2, c_3, c_4]", "solution LL"];
   387 val (dI',pI',mI') =
   388   ("Biegelinie",["normalise", "4x4", "LINEAR", "system"],
   389    ["EqSystem", "normalise", "4x4"]);
   390 val p = e_pos'; val c = []; 
   391 val (p,_,f,nxt,_,pt) = CalcTreeTEST [(fmz, (dI',pI',mI'))];
   392 val (p,_,f,nxt,_,pt) = me nxt p c pt; val (p,_,f,nxt,_,pt) = me nxt p c pt;
   393 val (p,_,f,nxt,_,pt) = me nxt p c pt; val (p,_,f,nxt,_,pt) = me nxt p c pt;
   394 val (p,_,f,nxt,_,pt) = me nxt p c pt; val (p,_,f,nxt,_,pt) = me nxt p c pt;
   395 val (p,_,f,nxt,_,pt) = me nxt p c pt; val (p,_,f,nxt,_,pt) = me nxt p c pt;
   396 "------------------------------------------- Apply_Method...";
   397 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   398 "[0 = c_4,                                          \
   399 \ 0 = c_4 + L * c_3 +\n (12 * L \<up> 2 * c_2 + 4 * L \<up> 3 * c + - 1 * L \<up> 4 * q_0) / (- 24 * EI),                                   \
   400 \ 0 = c_2,                                          \
   401 \ 0 = (2 * c_2 + 2 * L * c + - 1 * L \<up> 2 * q_0) / 2]";
   402 (*vvvWN080102 Exception- Match raised 
   403   since associate Rewrite .. Rewrite_Set
   404 "------------------------------------------- simplify_System_parenthesized...";
   405 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   406 "[0 = c_4,                                  \
   407 \ 0 = - 1 * q_0 * L \<up> 4 / (- 24 * EI) +     \
   408 \     (4 * L \<up> 3 * c / (- 24 * EI) +       \
   409 \     (12 * L \<up> 2 * c_2 / (- 24 * EI) +    \
   410 \     (L * c_3 + c_4))),                    \
   411 \ 0 = c_2,                                  \
   412 \ 0 = - 1 * q_0 * L \<up> 2 / 2 + (L * c + c_2)]";
   413 (*? "(4 * L \<up> 3 / (- 24 * EI) * c" statt "(4 * L \<up> 3 * c / (- 24 * EI)" ?*)
   414 "------------------------------------------- isolate_bdvs...";
   415 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   416 "[c_4 = 0,\
   417 \ c_4 = 0 + - 1 * (- 1 * q_0 * L \<up> 4 / (- 24 * EI)) + - 1 * (4 * L \<up> 3 * c / (- 24 * EI)) + - 1 * (12 * L \<up> 2 * c_2 / (- 24 * EI)) + - 1 * (L * c_3),\
   418 \ c_2 = 0, \
   419 \ c_2 = 0 + - 1 * (- 1 * q_0 * L \<up> 2 / 2) + - 1 * (L * c)]";
   420 val (p,_,f,nxt,_,pt) = me nxt p c pt; f2str f;
   421 
   422 ---------------------------------------------------------------------*)