Changeset 2791 for Tutorials


Ignore:
Timestamp:
Apr 19, 2017 10:52:48 AM (5 years ago)
Author:
vondreele
Message:

update SAfit tutorial

Location:
Tutorials/SAfit
Files:
2 added
3 edited

Legend:

Unmodified
Added
Removed
  • Tutorials/SAfit/Fitting Small Angle Scattering Data.htm

    r2395 r2791  
    2424 <o:DocumentProperties>
    2525  <o:Author>Von Dreele</o:Author>
    26   <o:LastAuthor>Von Dreele</o:LastAuthor>
    27   <o:Revision>8</o:Revision>
    28   <o:TotalTime>2096</o:TotalTime>
     26  <o:LastAuthor>vondreele</o:LastAuthor>
     27  <o:Revision>9</o:Revision>
     28  <o:TotalTime>2128</o:TotalTime>
    2929  <o:Created>2014-05-01T13:58:00Z</o:Created>
    30   <o:LastSaved>2016-07-28T19:29:00Z</o:LastSaved>
    31   <o:Pages>1</o:Pages>
    32   <o:Words>1447</o:Words>
    33   <o:Characters>8254</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>
    3434  <o:Company>Argonne National Laboratory</o:Company>
    35   <o:Lines>68</o:Lines>
     35  <o:Lines>69</o:Lines>
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    12171224<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'>In
    12181225this 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 minor-latin;mso-bidi-font-weight:bold;mso-bidi-font-style:italic'>powders
    1224 spread onto sticky tape and covered with another layer of the same tape. The
    1225 data were corrected for background using data collected from two layers of
    1226 sticky tape. However, the sample thickness is not</span> accurately known <span
     1226powder using data from a constant wavelength synchrotron X-ray USAXS instrument.
     1227You will use both a lognormal distribution of spherical particles model and a
     1228unified <span class=SpellE>Guinier-Porod</span> model. The data were collected
     1229from <span style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin;
     1230mso-bidi-font-weight:bold;mso-bidi-font-style:italic'>powders spread onto
     1231sticky tape and covered with another layer of the same tape. The data were
     1232corrected for background using data collected from two layers of sticky tape.
     1233However, the sample thickness is not</span> accurately known <span
    12271234style='mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin;
    12281235mso-bidi-font-weight:bold;mso-bidi-font-style:italic'>so the data are not
     
    12581265Otherwise, use the <b style='mso-bidi-font-weight:normal'><span
    12591266style='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:
     1267mso-hansi-theme-font:minor-latin;mso-bidi-theme-font:minor-latin'>Import/Small
     1268Angle Data/from q (A-1) step X-ray QIE data file</span></b> menu item to read
     1269the data file into GSAS-II. This read option is set to read three column small
     1270angle scattering data (SASD) as Q in Å<sup>-1</sup>, intensity and estimated
     1271standard deviation in intensity; there may be a header with metadata
     1272information 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:
     1274normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:
     1275minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font:minor-latin'>SAfit</span></b></span><b
     1276style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif;
     1277mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font:
     1278minor-latin'>/data</span></b><span style='font-family:"Calibri",sans-serif;
     1279mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font:
    12751280minor-latin'> to find the file</span>; you will have to select the <b
    12761281style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif;
     
    12821287style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]>Select
    12831288the <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:
     1289mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font:
     1290minor-latin'>alumina data.dat</span></b><span style='font-family:"Calibri",sans-serif;
     1291mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font:
    12881292minor-latin'> data</span> file in the first dialog and press <b
    12891293style='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>
     1294mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font:
     1295minor-latin'>Open</span></b>. There will be a Dialog box asking <span
     1296class=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:
     1298minor-latin;mso-bidi-theme-font:minor-latin'>Is</span></b></span><b
     1299style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif;
     1300mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font:
     1301minor-latin'> this the file you want?</span></b> Press <span class=GramE><b
     1302style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif;
     1303mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font:
     1304minor-latin'>Yes</span></b></span> button to proceed.</p>
    12991305
    13001306<p class=MsoNormal>At this point the <b style='mso-bidi-font-weight:normal'><span
    13011307style='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 the SASD pattern as a log-log plot of intensity vs. Q</p>
     1308mso-hansi-theme-font:minor-latin;mso-bidi-theme-font:minor-latin'>GSAS-II data
     1309tree</span></b> window will have several entries and the plot window will show
     1310the SASD pattern as a log-log plot of intensity vs. Q</p>
    13051311
    13061312<p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shapetype
     
    13411347mso-hansi-theme-font:minor-latin'>SASD alumina data.dat</span></b> from the
    13421348GSAS-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>
     1349next-to-last point on the curve with the left or right mouse button. If needed
     1350reposition the lower limit to be the 1<sup>st</sup> data <span class=SpellE>point.The</span>
     1351limits window should look like</p>
    13451352
    13461353<p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape
    13471354 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/image002.png"
    1350   o:title=""/>
    1351 </v:shape><![endif]--><![if !vml]><img width=300 height=260
    1352 src="Fitting%20Small%20Angle%20Scattering%20Data_files/image002.png" v:shapes="Picture_x0020_24"><![endif]></span><span
     1355 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
     1359src="Fitting%20Small%20Angle%20Scattering%20Data_files/image024.png" v:shapes="Picture_x0020_24"><![endif]></span><span
    13531360style='mso-spacerun:yes'> </span></p>
    13541361
     
    13901397style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif;
    13911398mso-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>
     1399data.dat</span></b> from the GSAS-II tree. Then do <span class=GramE><b
     1400style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif;
     1401mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'>Edit</span></b></span><b
     1402style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif;
     1403mso-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;
     1405mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-theme-font:
     1406minor-latin'>substance</span></b> from the menu; a popup window will appear
     1407with possible selections</p>
    13961408
    13971409<p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape
     
    14101422style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif;
    14111423mso-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>
     1424the relevant data for alumina (and vacuum&amp; unit scatter) are displayed next</p>
    14131425
    14141426<p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape
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    1420 src="Fitting%20Small%20Angle%20Scattering%20Data_files/image004.png" v:shapes="Picture_x0020_4"><![endif]></span><span
     1427 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
     1432src="Fitting%20Small%20Angle%20Scattering%20Data_files/image025.png" v:shapes="_x0000_i1044"><![endif]></span><span
    14211433style='mso-spacerun:yes'> </span></p>
    14221434
     
    14241436
    14251437<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 isn’t 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>
     1438into this list; you can also delete any of them (except vacuum &amp; unit
     1439scatter). The composition, volume occupied by the atoms in the composition and
     1440the density are given for each substance. These can each be edited; the other
     1441values will change accordingly. If your substance isn’t in the list, you can <span
     1442class=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:
     1444minor-latin'>Edit</span></b></span><b style='mso-bidi-font-weight:normal'><span
     1445style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin;
     1446mso-hansi-theme-font:minor-latin'> substance/Add substance</span></b> to create
     1447a new one (you will be asked for a name and the set of elements in two
     1448successive popup windows). From this information the scattering density and
     1449that 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
     1451style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin;
     1452mso-hansi-theme-font:minor-latin'>Instrument Parameters</span></b> GSAS-II tree
     1453item if needed). The resonant scattering value is used for contrast
     1454calculations.</p>
    14401455
    14411456<h2><a name="_Ref386699439"></a><a name="_Ref386699331"><span style='mso-bookmark:
     
    14631478
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     1485src="Fitting%20Small%20Angle%20Scattering%20Data_files/image026.png" v:shapes="_x0000_i1043"><![endif]></span></p>
    14711486
    14721487<p class=MsoNormal><o:p>&nbsp;</o:p></p>
     
    14901505is something reasonable (<b style='mso-bidi-font-weight:normal'><span
    14911506style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin;
    1492 mso-hansi-theme-font:minor-latin'>0.11</span></b>) based on the data at highest
     1507mso-hansi-theme-font:minor-latin'>0.12</span></b>) based on the data at highest
    14931508Q; again the data window and plots will be refreshed. Click on one of the
    14941509slider buttons to force a calculation.</p>
     
    15541569
    15551570<p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape
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     1572 visibility:visible;mso-wrap-style:square'>
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    15591574  o:title=""/>
    15601575</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>
     1576src="Fitting%20Small%20Angle%20Scattering%20Data_files/image008.png" v:shapes="_x0000_i1040"><![endif]></span></p>
    15621577
    15631578<p class=MsoNormal><o:p>&nbsp;</o:p></p>
     
    17181733might not work). Check the <b style='mso-bidi-font-weight:normal'><span
    17191734style='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
     1735mso-hansi-theme-font:minor-latin'>Refine?</span></b> <span class=GramE>boxes</span>
     1736for these parameters. Do <b style='mso-bidi-font-weight:normal'><span
     1737style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin;
     1738mso-hansi-theme-font:minor-latin'>Models/Fit </span></b>to do the least squares
     1739refinement; convergence will occur very quickly. NB: if the refinement messes
     1740up, you can recover the previous result; do <b style='mso-bidi-font-weight:
     1741normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:
     1742minor-latin;mso-hansi-theme-font:minor-latin'>Models/Undo</span></b> to
     1743recover. Then add the two <span class=SpellE><b style='mso-bidi-font-weight:
     1744normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:
     1745minor-latin;mso-hansi-theme-font:minor-latin'>Dist</span></b></span><b
     1746style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri",sans-serif;
     1747mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:minor-latin'> Mean</span></b>
     1748and <span class=SpellE><b style='mso-bidi-font-weight:normal'><span
    17291749style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin;
    17301750mso-hansi-theme-font:minor-latin'>Dist</span></b></span><b style='mso-bidi-font-weight:
    17311751normal'><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
     1752minor-latin;mso-hansi-theme-font:minor-latin'> P</span></b> parameters to the
     1753refinement, again convergence is easily obtained. Finally, add the two <span
    17331754class=SpellE><b style='mso-bidi-font-weight:normal'><span style='font-family:
    17341755"Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-hansi-theme-font:
    17351756minor-latin'>Dist</span></b></span><b style='mso-bidi-font-weight:normal'><span
    17361757style='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>
     1758mso-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
     1760style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin;
     1761mso-hansi-theme-font:minor-latin'>Dist</span></b></span><b style='mso-bidi-font-weight:
     1762normal'><span style='font-family:"Calibri",sans-serif;mso-ascii-theme-font:
     1763minor-latin;mso-hansi-theme-font:minor-latin'> Cutoff</span></b> parameters (a
     1764total of ten) to the list. The result is a really nice fit to the data with
     1765reasonable values; the console window shows the full results of the refinement</p>
    17511766
    17521767<p class=MsoNormal><span style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape
     
    17761791
    17771792<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:450pt;visibility:visible;mso-wrap-style:square'>
    1780  <v:imagedata src="Fitting%20Small%20Angle%20Scattering%20Data_files/image017.png"
    1781   o:title=""/>
    1782 </v:shape><![endif]--><![if !vml]><img width=700 height=600
    1783 src="Fitting%20Small%20Angle%20Scattering%20Data_files/image017.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
     1798src="Fitting%20Small%20Angle%20Scattering%20Data_files/image028.png" v:shapes="Picture_x0020_27"><![endif]></span></p>
    17841799
    17851800<p class=MsoNormal><o:p>&nbsp;</o:p></p>
  • Tutorials/SAfit/Fitting Small Angle Scattering Data_files/filelist.xml

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