C H A P T E R A
1155 | X(I)=LOG(R(I)) : Y(I)=1/(T(I)+273.15) |
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1160 | PRINT USING H$; I, T(I), R(I) |
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1170 | GOTO 1130 |
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1180 | N=I 1 |
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1190 | CLOSE |
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1200 | REM |
| **** accumulate sums **** |
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1205 | SX=0 : SY=0 : SXY=0 : SXX=0 |
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1210 | FOR I = 1 TO N |
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1220 | SX=SX+X(I) |
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1230 | SY=SY+Y(I) |
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1240 | SXY=SXY+X(I)*Y(I) |
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1250 | SXX=SXX+X(I)*X(I) |
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1260 | NEXT I |
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1300 | REM |
| **** | print out results **** |
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1310 | C[2]=(N*SXY SX*SY)/(N*SXX SX*SX) |
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1320 | C[1] = (SY C[2]*SX)/N |
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1620 |
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1630 | G$="Key in: | C1 | C2" |
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1640 | P$=" |
| #.## | #.##" |
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1650 | PRINT G$ |
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1660 | PRINT USING P$; C[1]*1000!, C[2]*10000! |
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1700 | ' |
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1702 | C1=INT(C[1]*1000000!)/1000000! |
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1704 | C2=INT(C[2]*1E+07)/1E+07 |
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1710 |
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1712 | PRINT " |
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| T | T | T" | |
1714 | PRINT " | R |
| ACTUAL | CALC | ERROR" | |
1716 | " | ======== |
| ========= | ========== | =========" | |
1718 | P$= | " | ####### |
| ####.## | ####.## | ####.##" |
1720 | FOR L=1 TO N |
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1730 | X=LOG(R(L)) |
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1740 | TCALC=1/(C1+C2*X) 273.15 |
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1760 | PRINT USING P$;R(L),T(L),TCALC,T(L) TCALC |
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1780 | NEXT L |
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06_07 | 31 |
