自己顶 7@EYF
1 REM "G-2-2" ;
tvB{s_
2 CLEAR : LPRINT "** "; {, APZ`q|
3 LPRINT "弹性地基梁计算程序(G-2-2)"; %/etoK
4 LPRINT " **" r-N2*uYtu
5 OPEN "I",#1,"G-2-2.DAT" QJdSNkc6
40 INPUT #1, R,N,LM,L,E0,E,U,B &%qD Som3
42 INPUT #1, NH: DIM X(NH),H(NH) m1F<L
43 FOR I1=1 TO NH: INPUT #1, X(I1),H(I1): NEXT I1 jI;bVG
45 DIM Z(R,4),AK(N+2),Y(N),D(N+2),B1(N+2) //ZB B,[@
47 DIM F((N+2)*(N+3)/2),X2(N*(N+1)/2) P60 3P
50 FOR I=1 TO R: FOR J=1 TO 4: INPUT #1, Z(I,J): NEXT J: NEXT I ).oqlA!
55 INPUT #1, RL: IF RL=0 THEN 65 IH~H6US
60 DIM PL(RL),AL(RL): FOR I=1 TO RL: INPUT #1, PL(I),AL(I): NEXT I nQ$N(2<Fe
65 INPUT #1, RR: IF RR=0 THEN 75 h%=b"x
70 DIM PR(RR),AR(RR): FOR I=1 TO RR: INPUT #1, PR(I),AR(I): NEXT I K/\#FJno
75 INPUT #1, U0 0E\R\KO$>
76 INPUT "需要打印原始数据吗 (Y/N)";G$ D4'XBXmb
80 IF G$="N" OR G$="n" THEN 152 fy_'K}i3k
85 LPRINT "原始数据:" wmo'Pl
90 LPRINT "地基的压缩模量 E0=";E0;"(KN/m?)" @/$mZ]|T
95 LPRINT "梁的弹性模量 E=";E;"(KN/m?)" q`$QroZT"
100 LPRINT "梁的泊松比 U=";U; "梁宽 B=";B;"(m)" k}lx!Ck
105 IF NH=1 THEN 113 <*(~x esPS
107 LPRINT : LPRINT TAB(2);"X(m)";TAB(11);"梁高H(m)" lmmyDg1R
108 X(0)=0 : FOR I=1 TO NH: LPRINT TAB(1);X(I-1);"-";X(I);TAB(14);H(I) (sqS(xIY
110 NEXT I: LPRINT : GOTO 115 P< WD_W
113 LPRINT "梁高 H=";H;"(m)" mH{cGu?
115 LPRINT TAB(1);"梁长L=";L;"(m)" &/JnAfmYqt
116 LPRINT TAB(1);"分段数N=";N;TAB(13);"荷载个数R=";R TdQ^^{SRp
120 LPRINT TAB(1);"问题类型(空间/平面/文克勒尔(1/2/3))LM=";LM 3lL:vD5(
122 LPRINT "梁上荷载要素:" YSa:"A
125 LPRINT TAB(2);"Z(I,1)";TAB(11);"Z(I,2)";TAB(20);"Z(I,3)";TAB(29);"Z(I,4)" 29qQ3M?
127 FOR I=1 TO R: LPRINT TAB(1);Z(I,1);TAB(10);Z(I,2);TAB(19);Z(I,3);TAB(28);Z(I,4) oQyG
129 NEXT I: LPRINT ^w&TTo(
130 IF RL=0 THEN 135 \o
% ES
131 LPRINT "边荷载要素:" 2{V|
132 LPRINT TAB(2);"左PL(I)";TAB(11);"AL(I)" U1q$B32
133 FOR I=1 TO RL: LPRINT TAB(1);PL(I);TAB(10);AL(I):NEXT I: LPRINT rM=Hd/ki5
135 IF RR=0 THEN 140 v$tS2N2
136 LPRINT TAB(2);"右PR(I)";TAB(11);"AR(I)" s}z,{Y$-t
138 FOR I=1 TO RR: LPRINT TAB(1);PR(I);TAB(10);AR(I):NEXT I: LPRINT v Q_ B2#U:
140 LPRINT "U0=";U0;"(地基泊松比,文氏问题为梁下可压缩层厚度) ~36c0 =
145 LPRINT "- - - - - - - - -": (B$FX<K3
152 IF LM<>2 THEN 165 /pk;E$qv
154 INPUT "按平面应力/平面应变计算 (L/B)";A$ %BG5[XQ7
156 IF A$="L" OR A$="l" THEN LPRINT "按平面应力计算":GOTO 165 <M&]*|q>g%
158 IF A$="B" OR A$="b" THEN LPRINT "按平面应变计算":GOTO 160 so8-e
159 GOTO 154 #[[p/nAy}A
160 E=E/(1-U^2):U=U/(1-U):E0=E0/(1-U0^2):U0=U0/(1-U0) !k s<VJh
165 C=L/N: FOR K=1 TO N c=b\9!hr_E
170 AK(K)=(K-.5)*C:S=0 Y4714
175 FOR I=1 TO R:T=Z(I,4): ON T GOTO 180,185 -+PPz?0
180 P1=Z(I,1):B2=Z(I,2): GOSUB 1740:S=S-P1*S1: GOTO 350 X4k/7EA
185 P1=Z(I,1)*(Z(I,3)-Z(I,2)):L1=(Z(I,3)+Z(I,2))/2 WX=+\`NyJ(
190 I1=1: IF AK(K)>Z(I,2) THEN 205 Z^~6pH\
192 M1=L1-X(I1-1):M3=AK(K)-X(I1-1):JK=E*B*H(I1)^3/12 Xj@Kt|&`k
195 IF AK(K)>X(I1) THEN 200 ?x[>g!r
197 M2=L1-AK(K):S=S-P1*(2*M1*M3+M2*M3)*M3/6/JK: GOTO 350 AQV3ZVP
200 M2=L1-X(I1):M4=AK(K)-X(I1):S=S-P1*(2*M1*M3+2*M2*M4+M1*M4+M2*M3)*(M1-M2)/6/JK }jk^M|Z"Oz
202 I1=I1+1: GOTO 192 >u/yp[Ky
205 IF AK(K)>Z(I,3) THEN 295 X_YD[
210 IF X(I1)>Z(I,2) THEN 225
g8x8u|
212 M1=L1-X(I1-1):M2=L1-X(I1):M3=AK(K)-X(I1-1):M4=AK(K)-X(I1):JK=E*B*H(I1)^3/12 Q-au)R,
215 S=S-P1*(2*M1*M3+2*M2*M4+M1*M4+M2*M3)*(M1-M2)/6/JK 7>~iS@7GV
220 I1=I1+1: GOTO 210 KJ#c(yb9zR
225 IF X(I1-1)>=Z(I,2) THEN 265 d:wAI|
230 M1=L1-X(I1-1):M2=L1-Z(I,2):M3=AK(K)-X(I1-1):M4=AK(K)-Z(I,2) (gmB$pwS
231 JK=E*B*H(I1)^3/12 ^7''x,I
235 S=S-P1*(2*M1*M3+2*M2*M4+M1*M4+M2*M3)*(M1-M2)/6/JK mY
AFruN
240 IF X(I1)<=AK(K) THEN 250 @'rO=(-b
245 A1=Z(I,2):A2=AK(K): GOSUB 1900:S=S-Z(I,1)*S2/JK: GOTO 350 f7W=x6Z4
250 A1=Z(I,2):A2=X(I1): GOSUB 1900:S=S-Z(I,1)*S2/JK XM 7zA^-
255 IF X(I1)=AK(K) THEN 350 6,h<0j{
260 I1=I1+1 2kgm)-z
265 JK=E*B*H(I1)^3/12 +]e4c;`ko}
270 IF X(I1)<=AK(K) THEN 280 8)tyn'~i
275 A1=X(I1-1):A2=AK(K): GOSUB 1900:S=S-Z(I,1)*S2/JK: GOTO 350 LtU+w*Gj
280 A1=X(I1-1):A2=X(I1): GOSUB 1900:S=S-Z(I,1)*S2/JK >lj3MNSH
285 IF X(I1)=AK(K) THEN 350 e5/_Vga
290 I1=I1+1: GOTO 265 X@G`AD'.M
295 IF X(I1)>Z(I,2) THEN 315 jCl[!L5/1
300 M1=L1-X(I1-1):M2=L1-X(I1):M3=AK(K)-X(I1-1):M4=AK(K)-X(I1):JK=E*B*H(I1)^3/12 $-0u`=!
305 S=S-P1*(2*M1*M3+2*M2*M4+M1*M4+M2*M3)*(M1-M2)/6/JK Lf:Z
(Z>
310 I1=I1+1: GOTO 295 )~n}ieS
315 IF X(I1-1)>=Z(I,2) THEN 337 +OH."4Z
320 M1=L1-X(I1-1):M2=L1-Z(I,2):M3=AK(K)-X(I1-1):M4=AK(K)-Z(I,2) WE"'3u^k
321 JK=E*B*H(I1)^3/12 >@%!r
323 S=S-P1*(2*M1*M3+2*M2*M4+M1*M4+M2*M3)*(M1-M2)/6/JK <?g{Rn
325 IF X(I1)<=Z(I,3) THEN 330 (j/O=$mJ
327 A1=Z(I,2):A2=Z(I,3): GOSUB 1900:S=S-Z(I,1)*S2/JK: GOTO 350 '
#mC4\<W8
330 A1=Z(I,2):A2=X(I1): GOSUB 1900:S=S-Z(I,1)*S2/JK lt4UNJ3w
332 IF X(I1)=Z(I,3) THEN 350 BY d3 rI
335 I1=I1+1 K%k,-
337 JK=E*B*H(I1)^3/12: IF X(I1)>Z(I,3) THEN 348 Mzd}9x$'J
340 A1=X(I1-1):A2=X(I1): GOSUB 1900:S=S-Z(I,1)*S2/JK 2uHp %fv;
342 IF X(I1)=Z(I,3) THEN 350 :h3JDQe:.
345 I1=I1+1: GOTO 337 p(8\w-6
347 S=S-AK(K)^2*Z(I,1)/(2*E*JK) 6GN'rVr!Z
348 A1=X(I1-1):A2=Z(I,3): GOSUB 1900:S=S-Z(I,1)*S2/JK QM]^@2rK2
350 NEXT I X<{m;T `
351 IF LM=3 THEN 355 ,rdM{ r
352 IF RL<>0 THEN 540 TGLXvP&
\
354 IF RR<>0 THEN 580 b2Hpuej
355 S=S+SL+SR f1{ckHAY55
360 D(K)=-S:Y(K)=S k$>T(smh
370 NEXT K ?.s*)n
380 S=0:Q=0 3IkG*enI
390 FOR I=1 TO R Pm_=
400 T=Z(I,4) %Fv)$ :b
410 ON T GOTO 420,430,450 vK C>t95
420 S=S+Z(I,1):Q=Q+Z(I,1)*Z(I,2): GOTO 460 ;:4puv+]
430 S=S+Z(I,1)*(Z(I,3)-Z(I,2)) ivq4/Y]-X
440 Q=Q+Z(I,1)*(Z(I,3)-Z(I,2))*(Z(I,2)+(Z(I,3)-Z(I,2))/2): GOTO 460 %'HUC>ChN
450 Q=Q+Z(I,1) lrzW H0Q
460 NEXT I dB5DJ:$W$
470 D(N+1)=-S:D(N+2)=-Q zyr6Tv61U
480 FOR K=1 TO N meWAm?8RI
485 FOR I=1 TO K KOQTvJ_#
490 IF I>K THEN 530 Qi61(lK
495 B2=AK(I): GOSUB 1740 -*A'6%`
500 F(K*(K-1)/2+I)=S1 WKf~K4BL>
510 X2(K*(K-1)/2+I)=F(K*(K-1)/2+I) I}WJ0}R
520 NEXT I ||4Dtg
K
530 NEXT K: GOTO 645 cPbz7
540 T=LM: ON T GOTO 545,560,570 P33E\O
545 SL=0: FOR I=1 TO RL:X=AL(I)+AK(K): GOSUB 1800 f/x "yUq
550 SL=SL+PL(I)*S0*(1-U0^2)/ 3.141592654 /E0/C: NEXT I rBf?kDt6l
555 GOTO 570 y
^\8x^Eg
560 SL=0:ST=2* LOG (100*L/C)+2+ LOG (2) LcXMOT)s
562 FOR I=1 TO RL:X=AL(I)+AK(K): GOSUB 1850 OOCeZ3yF(
565 S0=ST+S0:SL=SL+PL(I)*S0/ 3.141592654 /E0/B: NEXT I X`b5h}c
570 GOTO 354 gg(U}L
]:
580 T=LM: ON T GOTO 585,600,610 "ir*;|
585 SR=0: FOR I=1 TO RR:X=AR(I)+L-AK(K): GOSUB 1800 "->:6Oe2
590 SR=SR+PR(I)*S0*(1-U0^2)/ 3.141592654 /E0/C: NEXT I R;o_ *
595 GOTO 610 qHCs{ u
600 SR=0:ST=2* LOG (100*L/C)+2+ LOG (2) 7yp*I[1Qf>
602 FOR I=1 TO RR:X=AR(I)+L-AK(K): GOSUB 1850 ~ #CCRUhM
605 S0=ST+S0:SR=SR+PR(I)*S0/ 3.141592654 /E0/B: NEXT I ]`prDw'
610 GOTO 355 Xd6y7s
645 T=LM ]YP?bP,:
650 ON T GOTO 660,730,820 c0 |p34
660 Q=(1-U0^2)/( 3.141592654 *E0*C) UVK"%kW#(
665 FOR K=1 TO N y#+o*(=fRE
670 IF K-1<1 THEN 700 iIFQRnpu;3
675 FOR I=1 TO K-1 8##jd[o&p~
680 X=AK(K)-AK(I): GOSUB 1800 Z-@}~#E
685 S=S0 4B`Rz1QBy
690 F(K*(K-1)/2+I)=F(K*(K-1)/2+I)+S*Q o__q)"^~-
695 NEXT I F
4/Uu"J:
700 S= SQR (C^2/B^2+1):S=B* LOG (C/B+S)/C+ LOG (1+S) SOmn2
}
705 F(K*(K+1)/2)=F(K*(K+1)/2)+2*C*( LOG (B/C)+S)*Q/B Q-v[O4y~
710 NEXT K S2)S/ nf
720 GOTO 860 G$ FBx
730 Q=1/( 3.141593 *E0*B) D;]%
740 FOR K=1 TO N j,XKu5w)Oi
745 IF K-1<1 THEN 800 1RA$hW@}
750 FOR I=1 TO K-1 }El_.@'T &
760 X=AK(K)-AK(I): GOSUB 1850 Be+:-t)
770 S=S0 J~q+G
780 F(K*(K-1)/2+I)=F(K*(K-1)/2+I)+S*Q wY#mL1dF
790 NEXT I pC-OZ0
800 NEXT K p0K;m%
810 GOTO 860 p/h&_^EXU
820 Q=U0/(E0*B*C) UD{/L"GG
830 FOR K=1 TO N >{a,]q*
840 F(K*(K+1)/2)=F(K*(K+1)/2)+Q L])w-
850 NEXT K {O)&5
860 FOR I=1 TO N
Z<W6Avr
870 F((N+1)*N/2+I)=-1 lWvd"Vlt
880 F((N+2)*(N+1)/2+I)=-AK(I) fP58$pwu
890 NEXT I wVDB?gy%#
900 F((N+1)*(N+2)/2)=0 Oq6n.:8g"
910 F((N+1)*(N+4)/2)=0 l{9h8]^
920 F((N+2)*(N+3)/2)=0 9#ft;c
940 N1=N+2 I?>T"nV +'
980 FOR I=1 TO N+2 AvZ) 1(
990 B1(I)=D(I) c'";36y
1000 NEXT I V%lGJ]ZEa
1010 GOSUB 1520 |`wsKr'
1020 DIM QK(N),MK(N) G:`Jrh
1030 FOR K=1 TO N Nl`ry2"<
1040 QK(K)=0:MK(K)=0 #~;8#!X
1050 FOR I=1 TO R 'qAfei']
1060 T=Z(I,4) 2p>SB/
1070 ON T GOTO 1080,1100,1180 /Ph&:n\4
1080 IF AK(K)>=Z(I,2) THEN 1090 sG2 3[t8
1085 GOTO 1200 'hO;sL
1090 MK(K)=MK(K)-(AK(K)-Z(I,2))*Z(I,1):QK(K)=QK(K)-Z(I,1): GOTO 1200 ?(yFwR,(
1100 IF AK(K)>Z(I,2) THEN 1120 A@(h!Cq
1110 GOTO 1200 % Au$E&sj
1120 IF AK(K)<Z(I,3) THEN 1160 &pjV4m|j<
1130 QK(K)=QK(K)-Z(I,1)*(Z(I,3)-Z(I,2)) ~+C?][T
1140 MK(K)=MK(K)-Z(I,1)*(Z(I,3)-Z(I,2))*(AK(K)-(Z(I,2)+Z(I,3))/2) CqK#O'\
1150 GOTO 1200 .A)Un/k7
1160 QK(K)=QK(K)-Z(I,1)*(AK(K)-Z(I,2)) |SKG4_wGe
1170 MK(K)=MK(K)-Z(I,1)*(AK(K)-Z(I,2))^2/2: GOTO 1200 mwH!:f
1180 IF AK(K)>Z(I,2) THEN MK(K)=MK(K)+Z(I,1) #G` ,
1200 NEXT I A(OfG&!
1205 NEXT K ?3TV:fx"X
1210 FOR K=1 TO N '-33iG
1220 S=0:Q=0 8? Wxd65)
1230 FOR I=1 TO N -WvgK"k
1240 IF I>K THEN Y(K)=X2(I*(I-1)/2+K)*B1(I)+Y(K): GOTO 1260 W'h0Zg
1250 Y(K)=X2(K*(K-1)/2+I)*B1(I)+Y(K) GA.bRN2CI2
1260 NEXT I orH0M!OtS!
1265 Y(K)=B1(N+1)+AK(K)*B1(N+2)-Y(K) {$YD-bqY
1267 IF K-1<1 THEN 1300 Cfo 8gX*
1270 FOR I=1 TO K-1 2,V+?'^j
1280 S=S+B1(I):Q=Q+B1(I)*(AK(K)-AK(I)) %@n8
?l4
1290 NEXT I KTjlWxD
1300 QK(K)=QK(K)+S+.5*B1(K) y*h1W4:^-
1310 MK(K)=MK(K)+Q+C*B1(K)/8 V9u\;5oL
1315 NEXT K ) Zo_6%
1320 FOR K=1 TO N (%y c5+f!
1330 D(K)=B1(K)/C 8`2<g0V2
1340 NEXT K (0#F]""\e
1350 LPRINT TAB(2);"X(m)";TAB(9);"反力D(kN/m?)";TAB(23);"弯距M(kN-m)";TAB(36);"剪力Q(kN)";TAB(49);"变位Y(cm)" Yc`j
1360 FOR I=1 TO N <3=qLm
1370 LPRINT TAB(1); INT (100*(I-.5)*C+.5)/100;TAB(8); INT (100*D(I)+.5)/100; P3tG#cJ
1372 LPRINT TAB(23); INT (100*MK(I)+.5)/100;TAB(36); INT (100*QK(I)+.5)/100; U
qw}4C/0
1373 LPRINT TAB(49); INT (100*(Y(I)*100)+.5)/100 :dIQV(iW
1375 NEXT I ?%/u/*9rj
1378 GOTO 1710 [Am`5&J
1380 LPRINT " THE END": rn:zKTyhw
1420 END 34wM%@D*c
1500 G1=2*X/C+1 R{uJczu
1520 DIM C1(N1-1) 92]ZiL?k
1525 FOR I=1 TO N1 M#VC3h$
1527 IF I-1<1 THEN 1567 yISQYvSN
1530 I1=I*(I-1)/2 $KWYe{#
1535 FOR J=1 TO I-1 2?- 07 g
1540 S=0:J1=J*(J-1)/2:J2=J*(J+1)/2 D?yE$_3>c
1543 IF J-1<1 THEN 1560 br;H8-
1545 FOR K=1 TO J-1 UlNfI}#X
1550 S=S+C1(K)*F(J1+K) U5CPkH1
1555 NEXT K /CI%XocB
1560 C1(J)=F(I1+J)-S:F(I1+J)=C1(J)/F(J2) S=H_9io
1565 NEXT J FaE #\Q
1567 S=0:I2=I*(I+1)/2 wp%FM
1568 IF I-1<1 THEN 1585 Fiu!!M6
1570 FOR K=1 TO I-1 BBR"HMa4
1575 S=S+C1(K)*F(I1+K) $@_t5?n``F
1580 NEXT K ? x"HX|n
1585 F(I2)=F(I2)-S Th^(f@.w
1590 NEXT I R G0S
1595 FOR I=1 TO N1 "WbVCT'i
1600 I1=I*(I-1)/2:S=0 r}0C8(oq
1603 IF I-1<1 THEN 1625 4s~HfxYT
1605 FOR K=1 TO I-1 T3 9C lH
1610 S=S+F(I1+K)*B1(K) .blft,'
1615 NEXT K MuoctW
1620 B1(I)=B1(I)-S ]TBtLU3
1625 NEXT I 6UW:l|}4#2
1630 FOR I=1 TO N1 z {pC7e5
1635 I2=I*(I+1)/2:B1(I)=B1(I)/F(I2) A,-V$[;~D
1640 NEXT I n(1wdl Ep
1645 FOR I=N1 TO 1 STEP -1 ^{*f3m/
1647 IF I+1>N1 THEN 1668 Bhu@ 2KdA
1650 S=0 %x}&=zx0*1
1655 FOR K=I+1 TO N1 !ASoXQRz
1660 S=S+F(K*(K-1)/2+I)*B1(K) TD{=L*{+
1663 NEXT K YWRE&MQ_
1667 B1(I)=B1(I)-S:D(I)=B1(I)/C _jTwiuMS-
1668 NEXT I ,9Z2cgXwJ
1700 RETURN FL`1yD^2
1710 GOTO 1380 uKbHFF
1740 S1=0:I1=1: IF AK(K)>=B2 THEN 1770 ~mK-8U4>K,
1745 M1=B2-X(I1-1):M3=AK(K)-X(I1-1):JK=E*B*H(I1)^3/12 kOAY@a
1750 IF X(I1)>AK(K) THEN 1765 cK[R1 ReH
1755 M2=B2-X(I1):M4=AK(K)-X(I1):S1=S1+(2*M1*M3+2*M2*M4+M1*M4+M2*M3)*(M1-M2)/6/JK s[3![
"^Y
1758 IF X(I1)=AK(K) THEN 1790 VX;zZ`BJ
1760 I1=I1+1: GOTO 1745 R+{^@M&
1765 M2=B2-AK(K):S1=S1+(2*M1*M3+M2*M3)*(M1-M2)/6/JK tS (i711
1768 GOTO 1790 @)vy'qP d
1770 M1=B2-X(I1-1):M3=AK(K)-X(I1-1):JK=E*B*H(I1)^3/12 ,](v?v.[4
1772 IF X(I1)>B2 THEN 1785 XLZ j
1775 M2=B2-X(I1):M4=AK(K)-X(I1):S1=S1+(2*M1*M3+2*M2*M4+M1*M4+M2*M3)*(M1-M2)/6/JK j,=*WG
1780 IF X(I1)=B2 THEN 1790 ]l=O%Ev
1782 I1=I1+1: GOTO 1770
VFl 1 f
1785 M4=AK(K)-B2:S1=S1+(2*M1*M3+M1*M4)*(M3-M4)/6/JK Q+b.-iWR
1790 RETURN X'FEOF
1800 G1=2*X/C+1:G2=2*X/C-1 'h^-t^:<>b
1805 G3=2*X/B:G4=G3-C/B:G3=G3+C/B ik2-
OM
1810 S0=2* LOG (B/C)- LOG (G1*G2)-2*X/C* LOG (G1/G2) \5'O.*pr
1815 G2= SQR (G3^2+1):G1= SQR (G4^2+1) ]yAEjn9cN
1820 S0=S0+B* LOG ((G3+G2)/(G4+G1))/C (_w
%
1825 S0=S0+2*X* LOG ((1+G2)/(1+G1))/C HDF"]l;
1830 S0=(S0+ LOG ((1+G2)*(1+G1)))/B*C 3>Q@r>c
1835 RETURN S<eZ d./p6
1850 G1=2*X/C+1 @PQrmn6w
1855 S0=2*X/C-1:S0=-2*X* LOG (G1/S0)/C- LOG (G1*S0) .pM
&jni Y
1860 RETURN h
L]8e>a?
1900 S2=AK(K)*Z(I,3)^2*(A2-A1)/2-Z(I,3)*(2*AK(K)+Z(I,3))*(A2^2-A1^2)/4 l:Dn3Q
1905 S2=S2+(AK(K)+2*Z(I,3))*(A2^3-A1^3)/6-(A2^4-A1^4)/8 .!JMPf"QEI
1910 RETURN K85_>C%g