Changeset 2791
- Timestamp:
- Apr 19, 2017 10:52:48 AM (6 years ago)
- Location:
- Tutorials/SAfit
- Files:
-
- 2 added
- 3 edited
Legend:
- Unmodified
- Added
- Removed
-
Tutorials/SAfit/Fitting Small Angle Scattering Data.htm
r2395 r2791 24 24 <o:DocumentProperties> 25 25 <o:Author>Von Dreele</o:Author> 26 <o:LastAuthor> Von Dreele</o:LastAuthor>27 <o:Revision> 8</o:Revision>28 <o:TotalTime>2 096</o:TotalTime>26 <o:LastAuthor>vondreele</o:LastAuthor> 27 <o:Revision>9</o:Revision> 28 <o:TotalTime>2128</o:TotalTime> 29 29 <o:Created>2014-05-01T13:58:00Z</o:Created> 30 <o:LastSaved>201 6-07-28T19:29:00Z</o:LastSaved>31 <o:Pages> 1</o:Pages>32 <o:Words>14 47</o:Words>33 <o:Characters>8 254</o:Characters>30 <o:LastSaved>2017-04-19T15:50:00Z</o:LastSaved> 31 <o:Pages>22</o:Pages> 32 <o:Words>1464</o:Words> 33 <o:Characters>8347</o:Characters> 34 34 <o:Company>Argonne National Laboratory</o:Company> 35 <o:Lines>6 8</o:Lines>35 <o:Lines>69</o:Lines> 36 36 <o:Paragraphs>19</o:Paragraphs> 37 <o:CharactersWithSpaces>9 682</o:CharactersWithSpaces>37 <o:CharactersWithSpaces>9792</o:CharactersWithSpaces> 38 38 <o:Version>16.00</o:Version> 39 39 </o:DocumentProperties> … … 48 48 <!--[if gte mso 9]><xml> 49 49 <w:WordDocument> 50 <w:View>Print</w:View> 50 51 <w:SpellingState>Clean</w:SpellingState> 52 <w:GrammarState>Clean</w:GrammarState> 51 53 <w:TrackMoves>false</w:TrackMoves> 52 54 <w:TrackFormatting/> … … 661 663 {font-family:"Cambria Math"; 662 664 panose-1:2 4 5 3 5 4 6 3 2 4; 663 mso-font-charset: 1;665 mso-font-charset:0; 664 666 mso-generic-font-family:roman; 665 667 mso-font-pitch:variable; 666 mso-font-signature: 0 0 0 0 00;}668 mso-font-signature:-536870145 1107305727 0 0 415 0;} 667 669 @font-face 668 670 {font-family:Calibri; … … 671 673 mso-generic-font-family:swiss; 672 674 mso-font-pitch:variable; 673 mso-font-signature:-5368 70145 1073786111 1 0 4150;}675 mso-font-signature:-536859905 -1073732485 9 0 511 0;} 674 676 @font-face 675 677 {font-family:Tahoma; … … 1083 1085 {mso-style-name:""; 1084 1086 mso-spl-e:yes;} 1087 span.GramE 1088 {mso-style-name:""; 1089 mso-gram-e:yes;} 1085 1090 .MsoChpDefault 1086 1091 {mso-style-type:export-only; … … 1178 1183 mso-ascii-theme-font:minor-latin; 1179 1184 mso-hansi-font-family:Calibri; 1180 mso-hansi-theme-font:minor-latin;} 1185 mso-hansi-theme-font:minor-latin; 1186 mso-bidi-font-family:"Times New Roman"; 1187 mso-bidi-theme-font:minor-bidi;} 1181 1188 table.MsoTableGrid 1182 1189 {mso-style-name:"Table Grid"; … … 1217 1224 <p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'>In 1218 1225 this tutorial you will fit small angle scattering data for an alumina polishing 1219 powder using data from a constant wavelength synchrotron X-ray USAXS 1220 instrument. You will use both a lognormal distribution of spherical particles 1221 model and a unified <span class=SpellE>Guinier-Porod</span> model. The data 1222 were collected from <span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font: 1223 m inor-latin;mso-bidi-font-weight:bold;mso-bidi-font-style:italic'>powders1224 s pread onto sticky tape and covered with another layer of the same tape. The1225 data were corrected for background using data collected from two layers of 1226 sticky tape.However, the sample thickness is not</span> accurately known <span1226 powder using data from a constant wavelength synchrotron X-ray USAXS instrument. 1227 You will use both a lognormal distribution of spherical particles model and a 1228 unified <span class=SpellE>Guinier-Porod</span> model. The data were collected 1229 from <span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin; 1230 mso-bidi-font-weight:bold;mso-bidi-font-style:italic'>powders spread onto 1231 sticky tape and covered with another layer of the same tape. The data were 1232 corrected for background using data collected from two layers of sticky tape. 1233 However, the sample thickness is not</span> accurately known <span 1227 1234 style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin; 1228 1235 mso-bidi-font-weight:bold;mso-bidi-font-style:italic'>so the data are not … … 1258 1265 Otherwise, use the <b style='mso-bidi-font-weight:normal'><span 1259 1266 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1260 mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Calibri;mso-bidi-theme-font: 1261 minor-latin'>Import/Small Angle Data/from q (A-1) step X-ray QIE data file</span></b> 1262 menu item to read the data file into GSAS-II. This read option is set to read 1263 three column small angle scattering data (SASD) as Q in Å<sup>-1</sup>, 1264 intensity and estimated standard deviation in intensity; there may be a header 1265 with metadata information in the front of this file.<span 1266 style='mso-spacerun:yes'> </span>Change the file directory to <span 1267 class=SpellE><b style='mso-bidi-font-weight:normal'><span style='font-family: 1268 "Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: 1269 minor-latin;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin'>SAsize</span></b></span><b 1270 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1271 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-font-family: 1272 Calibri;mso-bidi-theme-font:minor-latin'>/data</span></b><span 1273 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1274 mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Calibri;mso-bidi-theme-font: 1267 mso-hansi-theme-font:minor-latin;mso-bidi-theme-font:minor-latin'>Import/Small 1268 Angle Data/from q (A-1) step X-ray QIE data file</span></b> menu item to read 1269 the data file into GSAS-II. This read option is set to read three column small 1270 angle scattering data (SASD) as Q in Å<sup>-1</sup>, intensity and estimated 1271 standard deviation in intensity; there may be a header with metadata 1272 information in the front of this file.<span style='mso-spacerun:yes'> 1273 </span>Change the file directory to <span class=SpellE><b style='mso-bidi-font-weight: 1274 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1275 minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font:minor-latin'>SAfit</span></b></span><b 1276 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1277 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font: 1278 minor-latin'>/data</span></b><span style='font-family:"Calibri",sans-serif; 1279 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font: 1275 1280 minor-latin'> to find the file</span>; you will have to select the <b 1276 1281 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; … … 1282 1287 style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>Select 1283 1288 the <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1284 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-font-family: 1285 Calibri;mso-bidi-theme-font:minor-latin'>alumina data.dat</span></b><span 1286 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1287 mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Calibri;mso-bidi-theme-font: 1289 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font: 1290 minor-latin'>alumina data.dat</span></b><span style='font-family:"Calibri",sans-serif; 1291 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font: 1288 1292 minor-latin'> data</span> file in the first dialog and press <b 1289 1293 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1290 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-font-family: 1291 Calibri;mso-bidi-theme-font:minor-latin'>Open</span></b>. There will be a 1292 Dialog box asking <b style='mso-bidi-font-weight:normal'><span 1293 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1294 mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Calibri;mso-bidi-theme-font: 1295 minor-latin'>Is this the file you want?</span></b> Press <b style='mso-bidi-font-weight: 1296 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1297 minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Calibri; 1298 mso-bidi-theme-font:minor-latin'>Yes</span></b> button to proceed.</p> 1294 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font: 1295 minor-latin'>Open</span></b>. There will be a Dialog box asking <span 1296 class=GramE><b style='mso-bidi-font-weight:normal'><span style='font-family: 1297 "Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: 1298 minor-latin;mso-bidi-theme-font:minor-latin'>Is</span></b></span><b 1299 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1300 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font: 1301 minor-latin'> this the file you want?</span></b> Press <span class=GramE><b 1302 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1303 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font: 1304 minor-latin'>Yes</span></b></span> button to proceed.</p> 1299 1305 1300 1306 <p class=MsoNormal>At this point the <b style='mso-bidi-font-weight:normal'><span 1301 1307 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1302 mso-hansi-theme-font:minor-latin;mso-bidi- font-family:Calibri;mso-bidi-theme-font:1303 minor-latin'>GSAS-II data tree</span></b> window will have several entries and 1304 the plot window will show theSASD pattern as a log-log plot of intensity vs. Q</p>1308 mso-hansi-theme-font:minor-latin;mso-bidi-theme-font:minor-latin'>GSAS-II data 1309 tree</span></b> window will have several entries and the plot window will show 1310 the SASD pattern as a log-log plot of intensity vs. Q</p> 1305 1311 1306 1312 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shapetype … … 1341 1347 mso-hansi-theme-font:minor-latin'>SASD alumina data.dat</span></b> from the 1342 1348 GSAS-II tree. Set the upper limit using the cursor on the plot by picking the 1343 next-to-last point on the curve with the left or right mouse button. The limits 1344 window should look like</p> 1349 next-to-last point on the curve with the left or right mouse button. If needed 1350 reposition the lower limit to be the 1<sup>st</sup> data <span class=SpellE>point.The</span> 1351 limits window should look like</p> 1345 1352 1346 1353 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1347 1354 id="Picture_x0020_24" o:spid="_x0000_i1046" type="#_x0000_t75" style='width:225pt; 1348 height: 195pt;visibility:visible;mso-wrap-style:square'>1349 <v:imagedata src="Fitting%20Small%20Angle%20Scattering%20Data_files/image0 02.png"1350 o:title=""/> 1351 </v:shape><![endif]--><![if !vml]><img width=300 height= 2601352 src="Fitting%20Small%20Angle%20Scattering%20Data_files/image0 02.png" v:shapes="Picture_x0020_24"><![endif]></span><span1355 height:96.75pt;visibility:visible;mso-wrap-style:square'> 1356 <v:imagedata src="Fitting%20Small%20Angle%20Scattering%20Data_files/image024.png" 1357 o:title=""/> 1358 </v:shape><![endif]--><![if !vml]><img width=300 height=129 1359 src="Fitting%20Small%20Angle%20Scattering%20Data_files/image024.png" v:shapes="Picture_x0020_24"><![endif]></span><span 1353 1360 style='mso-spacerun:yes'> </span></p> 1354 1361 … … 1390 1397 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1391 1398 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>SASD alumina 1392 data.dat</span></b> from the GSAS-II tree. Then do <b style='mso-bidi-font-weight: 1393 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1394 minor-latin;mso-hansi-theme-font:minor-latin'>Edit/Load</span></b> substance 1395 from the menu; a popup window will appear with possible selections</p> 1399 data.dat</span></b> from the GSAS-II tree. Then do <span class=GramE><b 1400 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1401 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Edit</span></b></span><b 1402 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1403 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'> substance/Load</span></b> 1404 <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1405 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font: 1406 minor-latin'>substance</span></b> from the menu; a popup window will appear 1407 with possible selections</p> 1396 1408 1397 1409 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape … … 1410 1422 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1411 1423 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>OK</span></b>; 1412 the relevant data for alumina (and vacuum ) are displayed next</p>1424 the relevant data for alumina (and vacuum& unit scatter) are displayed next</p> 1413 1425 1414 1426 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1415 id=" Picture_x0020_4" o:spid="_x0000_i1044" type="#_x0000_t75" style='width:259.5pt;1416 height:195pt;visibility:visible;mso-wrap-style:square'>1417 <v:imagedata src="Fitting%20Small%20Angle%20Scattering%20Data_files/image0 04.png"1418 o:title=""/> 1419 </v:shape><![endif]--><![if !vml]><img width=3 46 height=2601420 src="Fitting%20Small%20Angle%20Scattering%20Data_files/image0 04.png" v:shapes="Picture_x0020_4"><![endif]></span><span1427 id="_x0000_i1044" type="#_x0000_t75" style='width:280.5pt;height:246pt; 1428 visibility:visible;mso-wrap-style:square'> 1429 <v:imagedata src="Fitting%20Small%20Angle%20Scattering%20Data_files/image025.png" 1430 o:title=""/> 1431 </v:shape><![endif]--><![if !vml]><img width=374 height=328 1432 src="Fitting%20Small%20Angle%20Scattering%20Data_files/image025.png" v:shapes="_x0000_i1044"><![endif]></span><span 1421 1433 style='mso-spacerun:yes'> </span></p> 1422 1434 … … 1424 1436 1425 1437 <p class=MsoNormal>If desired you can load/add as many substances as you desire 1426 into this list; you can also delete any of them (except vacuum). The 1427 composition, volume occupied by the atoms in the composition and the density 1428 are given for each substance. These can each be edited; the other values will 1429 change accordingly. If your substance isnt in the list, you can <b 1430 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1431 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Edit/Add 1432 substance</span></b> to create a new one (you will be asked for a name and the 1433 set of elements in two successive popup windows). From this information the 1434 scattering density and that as affected by resonant scattering for the listed 1435 wavelength is displayed (the wavelength can be changed in the <b 1436 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1437 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Instrument 1438 Parameters</span></b> GSAS-II tree item if needed). The resonant scattering 1439 value is used for contrast calculations.</p> 1438 into this list; you can also delete any of them (except vacuum & unit 1439 scatter). The composition, volume occupied by the atoms in the composition and 1440 the density are given for each substance. These can each be edited; the other 1441 values will change accordingly. If your substance isnt in the list, you can <span 1442 class=GramE><b style='mso-bidi-font-weight:normal'><span style='font-family: 1443 "Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: 1444 minor-latin'>Edit</span></b></span><b style='mso-bidi-font-weight:normal'><span 1445 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1446 mso-hansi-theme-font:minor-latin'> substance/Add substance</span></b> to create 1447 a new one (you will be asked for a name and the set of elements in two 1448 successive popup windows). From this information the scattering density and 1449 that as affected by resonant scattering for the listed wavelength is displayed 1450 (the wavelength can be changed in the <b style='mso-bidi-font-weight:normal'><span 1451 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1452 mso-hansi-theme-font:minor-latin'>Instrument Parameters</span></b> GSAS-II tree 1453 item if needed). The resonant scattering value is used for contrast 1454 calculations.</p> 1440 1455 1441 1456 <h2><a name="_Ref386699439"></a><a name="_Ref386699331"><span style='mso-bookmark: … … 1463 1478 1464 1479 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1465 id=" Picture_x0020_16" o:spid="_x0000_i1043" type="#_x0000_t75" style='width:379.5pt;1466 height:142.5pt;visibility:visible;mso-wrap-style:square'>1467 <v:imagedata src="Fitting%20Small%20Angle%20Scattering%20Data_files/image0 05.png"1468 o:title=""/> 1469 </v:shape><![endif]--><![if !vml]><img width=5 06 height=1901470 src="Fitting%20Small%20Angle%20Scattering%20Data_files/image0 05.png" v:shapes="Picture_x0020_16"><![endif]></span></p>1480 id="_x0000_i1043" type="#_x0000_t75" style='width:420.75pt;height:133.5pt; 1481 visibility:visible;mso-wrap-style:square'> 1482 <v:imagedata src="Fitting%20Small%20Angle%20Scattering%20Data_files/image026.png" 1483 o:title=""/> 1484 </v:shape><![endif]--><![if !vml]><img width=561 height=178 1485 src="Fitting%20Small%20Angle%20Scattering%20Data_files/image026.png" v:shapes="_x0000_i1043"><![endif]></span></p> 1471 1486 1472 1487 <p class=MsoNormal><o:p> </o:p></p> … … 1490 1505 is something reasonable (<b style='mso-bidi-font-weight:normal'><span 1491 1506 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1492 mso-hansi-theme-font:minor-latin'>0.1 1</span></b>) based on the data at highest1507 mso-hansi-theme-font:minor-latin'>0.12</span></b>) based on the data at highest 1493 1508 Q; again the data window and plots will be refreshed. Click on one of the 1494 1509 slider buttons to force a calculation.</p> … … 1554 1569 1555 1570 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1556 id=" Picture_x0020_27" o:spid="_x0000_i1040" type="#_x0000_t75" style='width:525pt;1557 height:450pt;visibility:visible;mso-wrap-style:square'>1571 id="_x0000_i1040" type="#_x0000_t75" style='width:525pt;height:450pt; 1572 visibility:visible;mso-wrap-style:square'> 1558 1573 <v:imagedata src="Fitting%20Small%20Angle%20Scattering%20Data_files/image008.png" 1559 1574 o:title=""/> 1560 1575 </v:shape><![endif]--><![if !vml]><img width=700 height=600 1561 src="Fitting%20Small%20Angle%20Scattering%20Data_files/image008.png" v:shapes=" Picture_x0020_27"><![endif]></span></p>1576 src="Fitting%20Small%20Angle%20Scattering%20Data_files/image008.png" v:shapes="_x0000_i1040"><![endif]></span></p> 1562 1577 1563 1578 <p class=MsoNormal><o:p> </o:p></p> … … 1718 1733 might not work). Check the <b style='mso-bidi-font-weight:normal'><span 1719 1734 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1720 mso-hansi-theme-font:minor-latin'>Refine?</span></b> boxes for these 1721 parameters. Do <b style='mso-bidi-font-weight:normal'><span style='font-family: 1722 "Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: 1723 minor-latin'>Models/Fit </span></b>to do the least squares refinement; 1724 convergence will occur very quickly. NB: if the refinement messes up, you can 1725 recover the previous result; do <b style='mso-bidi-font-weight:normal'><span 1726 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1727 mso-hansi-theme-font:minor-latin'>Models/Undo</span></b> to recover. Then add 1728 the two <span class=SpellE><b style='mso-bidi-font-weight:normal'><span 1735 mso-hansi-theme-font:minor-latin'>Refine?</span></b> <span class=GramE>boxes</span> 1736 for these parameters. Do <b style='mso-bidi-font-weight:normal'><span 1737 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1738 mso-hansi-theme-font:minor-latin'>Models/Fit </span></b>to do the least squares 1739 refinement; convergence will occur very quickly. NB: if the refinement messes 1740 up, you can recover the previous result; do <b style='mso-bidi-font-weight: 1741 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1742 minor-latin;mso-hansi-theme-font:minor-latin'>Models/Undo</span></b> to 1743 recover. Then add the two <span class=SpellE><b style='mso-bidi-font-weight: 1744 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1745 minor-latin;mso-hansi-theme-font:minor-latin'>Dist</span></b></span><b 1746 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1747 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'> Mean</span></b> 1748 and <span class=SpellE><b style='mso-bidi-font-weight:normal'><span 1729 1749 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1730 1750 mso-hansi-theme-font:minor-latin'>Dist</span></b></span><b style='mso-bidi-font-weight: 1731 1751 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1732 minor-latin;mso-hansi-theme-font:minor-latin'> Mean</span></b> and <span 1752 minor-latin;mso-hansi-theme-font:minor-latin'> P</span></b> parameters to the 1753 refinement, again convergence is easily obtained. Finally, add the two <span 1733 1754 class=SpellE><b style='mso-bidi-font-weight:normal'><span style='font-family: 1734 1755 "Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-hansi-theme-font: 1735 1756 minor-latin'>Dist</span></b></span><b style='mso-bidi-font-weight:normal'><span 1736 1757 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1737 mso-hansi-theme-font:minor-latin'> P</span></b> parameters to the refinement, 1738 again convergence is easily obtained. Finally, add the two <span class=SpellE><b 1739 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1740 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Dist</span></b></span><b 1741 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1742 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'> <span 1743 class=SpellE>StdDev</span></span></b> and <span class=SpellE><b 1744 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1745 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Dist</span></b></span><b 1746 style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif; 1747 mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'> Cutoff</span></b> 1748 parameters (a total of ten) to the list. The result is a really nice fit to the 1749 data with reasonable values; the console window shows the full results of the 1750 refinement</p> 1758 mso-hansi-theme-font:minor-latin'> <span class=SpellE>StdDev</span></span></b> and 1759 <span class=SpellE><b style='mso-bidi-font-weight:normal'><span 1760 style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin; 1761 mso-hansi-theme-font:minor-latin'>Dist</span></b></span><b style='mso-bidi-font-weight: 1762 normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font: 1763 minor-latin;mso-hansi-theme-font:minor-latin'> Cutoff</span></b> parameters (a 1764 total of ten) to the list. The result is a really nice fit to the data with 1765 reasonable values; the console window shows the full results of the refinement</p> 1751 1766 1752 1767 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape … … 1776 1791 1777 1792 <p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape 1778 id="Picture_x0020_ 35" o:spid="_x0000_i1031" type="#_x0000_t75" style='width:525pt;1779 height:4 50pt;visibility:visible;mso-wrap-style:square'>1780 <v:imagedata src="Fitting%20Small%20Angle%20Scattering%20Data_files/image0 17.png"1781 o:title=""/> 1782 </v:shape><![endif]--><![if !vml]><img width= 700 height=6001783 src="Fitting%20Small%20Angle%20Scattering%20Data_files/image0 17.png" v:shapes="Picture_x0020_35"><![endif]></span></p>1793 id="Picture_x0020_27" o:spid="_x0000_i1031" type="#_x0000_t75" style='width:468pt; 1794 height:401.25pt;visibility:visible;mso-wrap-style:square'> 1795 <v:imagedata src="Fitting%20Small%20Angle%20Scattering%20Data_files/image027.png" 1796 o:title=""/> 1797 </v:shape><![endif]--><![if !vml]><img width=624 height=535 1798 src="Fitting%20Small%20Angle%20Scattering%20Data_files/image028.png" v:shapes="Picture_x0020_27"><![endif]></span></p> 1784 1799 1785 1800 <p class=MsoNormal><o:p> </o:p></p> -
Tutorials/SAfit/Fitting Small Angle Scattering Data_files/filelist.xml
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