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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Anti-Spam Code: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by cab0008[/i] [br]Hello everyone, I was wondering if anyone could help me with creating a robust code for fitting certain types of spectra. I am interested in setting the x-axis center parameters for multiple Voigt lines to deconvolute the spectra and obtain the areas of each one. I know that this has probably been done before but I am having a difficult time understanding how other people's problems relate to mine and how to configure their code to fit my data. My goal is to have the Voigt centers strictly defined in a worksheet column ,such as Book2 Column A, and then to have also FWHMs in the next column but have them be able to be varied by a set percentage, such as 8% or something. Should I use the Fitting Function Organizer to develop the function and then access that through OriginC through LT_execute() or would it be more efficient to just use OriginC? I've been having trouble getting the Fitting Function Organizer to accept multiple centers as parameter initialization. For example, is it even possible to do this in the Voigt Fitting Function Organizer > Parameter Initialization Box? sort(x_y_curve); //smooth(x_y_curve, 2); y0 = yatxmin( x_y_curve ); wG = 0.85 * fwhm( x_y_curve, y0 ); wL = wG; A = area( x_y_curve, y0 ); xc = Book2!Col(A) (Changed From): if ( A > 0 ) xc = xatymax( x_y_curve ); else xc = xatymin( x_y_curve ); Here is some data that this code may be ran on: 360 1.87722 361 1.86372 362 1.85086 363 1.8378 364 1.83107 365 1.81651 366 1.80471 367 1.79606 368 1.79131 369 1.7854 370 1.7803 371 1.77776 372 1.77472 373 1.77697 374 1.7778 375 1.77837 376 1.77778 377 1.77703 378 1.7749 379 1.76883 380 1.76237 381 1.75274 382 1.74372 383 1.73623 384 1.72534 385 1.71364 386 1.70081 387 1.68639 388 1.67293 389 1.65954 390 1.64428 391 1.63067 392 1.61852 393 1.60534 394 1.59343 395 1.58441 396 1.57474 397 1.56705 398 1.56009 399 1.55262 400 1.54818 401 1.54616 402 1.54351 403 1.54207 404 1.54312 405 1.54428 406 1.5462 407 1.54994 408 1.55335 409 1.55564 410 1.55844 411 1.55719 412 1.55531 413 1.55217 414 1.547 415 1.54012 416 1.5302 417 1.5194 418 1.50836 419 1.4975 420 1.48451 421 1.47325 422 1.46264 423 1.45051 424 1.43952 425 1.43061 426 1.42121 427 1.41273 428 1.40496 429 1.39783 430 1.39249 431 1.38806 432 1.38362 433 1.38016 434 1.37747 435 1.37462 436 1.37299 437 1.37285 438 1.37178 439 1.37093 440 1.37137 441 1.37095 442 1.37213 443 1.37298 444 1.37288 445 1.37309 446 1.3726 447 1.37105 448 1.36911 449 1.36741 450 1.36462 451 1.3608 452 1.35664 453 1.35198 454 1.34785 455 1.3436 456 1.33824 457 1.33391 458 1.32924 459 1.32362 460 1.3192 461 1.31502 462 1.31041 463 1.30457 464 1.29985 465 1.29441 466 1.28926 467 1.28547 468 1.28106 469 1.27723 470 1.27381 471 1.27059 472 1.26849 473 1.26688 474 1.26528 475 1.26443 476 1.26395 477 1.26334 478 1.26301 479 1.26304 480 1.2627 481 1.26199 482 1.26105 483 1.25922 484 1.25779 485 1.25627 486 1.25401 487 1.25168 488 1.24895 489 1.24631 490 1.24422 491 1.24203 492 1.2398 493 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1462 0.83832 1463 0.83484 1464 0.83123 1465 0.82757 1466 0.82424 1467 0.82169 1468 0.81911 1469 0.81597 1470 0.81298 1471 0.8101 1472 0.80721 1473 0.80441 1474 0.80166 1475 0.79901 1476 0.79631 1477 0.79383 1478 0.79139 1479 0.7889 1480 0.78648 1481 0.78434 1482 0.78231 1483 0.7803 1484 0.77834 1485 0.77639 1486 0.77452 1487 0.77274 1488 0.77101 1489 0.76943 1490 0.76793 1491 0.76645 1492 0.76523 1493 0.76412 1494 0.76294 1495 0.76175 1496 0.76038 1497 0.75919 1498 0.75836 1499 0.75805 1500 0.75768 1501 0.75692 1502 0.75614 1503 0.75539 1504 0.75468 1505 0.75398 1506 0.75355 1507 0.75353 1508 0.75324 1509 0.75261 1510 0.75187 1511 0.75101 1512 0.75043 1513 0.75045 1514 0.75011 1515 0.74931 1516 0.74872 1517 0.74859 1518 0.7482 1519 0.74728 1520 0.7465 1521 0.74626 1522 0.7456 1523 0.74468 1524 0.74423 1525 0.74345 1526 0.74254 1527 0.74214 1528 0.74129 1529 0.74044 1530 0.73988 1531 0.73882 1532 0.73766 1533 0.73706 1534 0.7358 1535 0.73471 1536 0.73411 1537 0.7332 1538 0.73241 1539 0.73115 1540 0.72982 1541 0.72882 1542 0.72783 1543 0.72687 1544 0.72573 1545 0.72462 1546 0.72343 1547 0.72247 1548 0.72086 1549 0.71945 1550 0.71869 1551 0.71779 1552 0.71645 1553 0.71535 1554 0.71418 1555 0.71325 1556 0.71158 1557 0.71017 1558 0.70957 1559 0.70877 1560 0.70759 1561 0.70645 1562 0.70569 1563 0.70449 1564 0.70345 1565 0.70263 1566 0.70153 1567 0.70052 1568 0.69988 1569 0.6988 1570 0.69775 1571 0.69684 1572 0.6965 1573 0.69574 1574 0.69484 1575 0.6939 1576 0.69273 1577 0.6919 1578 0.69161 1579 0.69083 1580 0.68995 1581 0.68893 1582 0.68825 1583 0.68732 1584 0.68647 1585 0.68556 1586 0.68459 1587 0.6839 1588 0.6836 1589 0.68255 1590 0.6816 1591 0.68074 1592 0.67974 1593 0.67862 1594 0.67771 1595 0.67689 1596 0.67595 1597 0.67497 1598 0.67375 1599 0.67249 1600 0.67133 1601 0.67003 1602 0.66877 1603 0.66777 1604 0.66713 1605 0.66612 1606 0.66504 1607 0.66389 1608 0.66273 1609 0.66147 1610 0.66041 1611 0.65956 1612 0.65846 1613 0.65739 1614 0.65623 1615 0.65525 1616 0.65431 1617 0.65351 1618 0.65244 1619 0.65162 1620 0.65078 1621 0.65011 1622 0.64927 1623 0.64855 1624 0.64785 1625 0.64722 1626 0.6466 1627 0.6461 1628 0.6455 1629 0.64502 1630 0.6448 1631 0.64442 1632 0.64417 1633 0.64387 1634 0.64368 1635 0.64346 1636 0.64332 1637 0.64327 1638 0.64334 1639 0.64341 1640 0.64346 1641 0.64366 1642 0.644 1643 0.64414 1644 0.6444 1645 0.64477 1646 0.645 1647 0.64527 1648 0.64546 1649 0.6458 1650 0.64632 1651 0.64745 1652 0.64793 1653 0.64846 1654 0.64896 1655 0.64951 1656 0.64995 1657 0.65043 1658 0.65086 1659 0.65116 1660 0.6516 1661 0.65204 1662 0.6524 1663 0.65278 1664 0.65312 1665 0.65364 1666 0.65379 1667 0.65351 1668 0.6529 1669 0.65308 1670 0.65326 1671 0.6532 1672 0.65312 1673 0.65298 1674 0.65277 1675 0.65258 1676 0.65244 1677 0.65218 1678 0.65192 1679 0.65164 1680 0.65138 1681 0.65101 1682 0.65069 1683 0.65025 1684 0.64982 1685 0.64943 1686 0.64897 1687 0.6485 1688 0.64799 1689 0.64749 1690 0.64699 1691 0.64659 1692 0.64603 1693 0.64551 1694 0.64495 1695 0.64435 1696 0.64372 1697 0.64312 1698 0.64244 1699 0.64166 1700 0.64097 1701 0.64012 1702 0.63924 1703 0.63869 1704 0.6386 1705 0.63856 1706 0.63797 1707 0.63723 1708 0.63651 1709 0.6358 1710 0.63501 1711 0.63417 1712 0.63324 1713 0.63228 1714 0.63151 1715 0.63116 1716 0.63067 1717 0.62972 1718 0.62874 1719 0.62772 1720 0.6266 1721 0.62561 1722 0.62501 1723 0.62432 1724 0.62331 1725 0.62233 1726 0.62143 1727 0.62079 1728 0.62037 1729 0.61973 1730 0.61893 1731 0.61821 1732 0.61789 1733 0.61752 1734 0.61667 1735 0.61581 1736 0.61522 1737 0.6149 1738 0.61443 1739 0.61369 1740 0.61315 1741 0.61289 1742 0.61236 1743 0.61147 1744 0.61079 1745 0.61038 1746 0.60967 1747 0.60897 1748 0.60849 1749 0.60774 1750 0.60712 1751 0.60669 1752 0.60597 1753 0.60516 1754 0.60472 1755 0.60396 1756 0.60318 1757 0.60261 1758 0.60205 1759 0.60164 1760 0.60101 1761 0.6003 1762 0.59998 1763 0.59951 1764 0.59917 1765 0.59854 1766 0.59782 1767 0.59733 1768 0.59684 1769 0.59632 1770 0.59577 1771 0.59538 1772 0.5949 1773 0.59466 1774 0.59414 1775 0.59347 1776 0.59326 1777 0.59272 1778 0.59194 1779 0.59131 1780 0.59123 1781 0.59062 1782 0.59008 1783 0.58988 1784 0.58947 1785 0.58871 1786 0.58817 1787 0.58793 1788 0.58771 1789 0.58735 1790 0.58667 1791 0.58611 1792 0.58554 1793 0.58535 1794 0.5852 1795 0.58458 1796 0.58396 1797 0.58351 1798 0.58313 1799 0.5826 1800 0.5821 1801 0.58152 1802 0.58085 1803 0.58033 1804 0.57993 1805 0.57949 1806 0.579 1807 0.57853 1808 0.57783 1809 0.57736 1810 0.57672 1811 0.5761 1812 0.57551 1813 0.57499 1814 0.57425 1815 0.57372 1816 0.57327 1817 0.57268 1818 0.57214 1819 0.57142 1820 0.57049 1821 0.57002 1822 0.56943 1823 0.56882 1824 0.56824 1825 0.56767 1826 0.56696 1827 0.56639 1828 0.56607 1829 0.56547 1830 0.56479 1831 0.56417 1832 0.56365 1833 0.56323 1834 0.56269 1835 0.56159 1836 0.56053 1837 0.55938 1838 0.5588 1839 0.55852 1840 0.55948 1841 0.55985 1842 0.55996 1843 0.56078 1844 0.56259 1845 0.55812 1846 0.56329 1847 0.56231 1848 0.56108 1849 0.55897 1850 0.55701 These are some of the peak centers: 1670.2 1547.4 1507.5 1419.3 1397.6 1381.3 1311.7 1284.2 1269.6 1256 1245.9 1176.7 1137.9 1120.5 1109.1 1056.4 1026.6 975.2 954.2 869.5 797.3 736 721.8 672.2 647.1 591.1 550.8 502.8 450.7 410.5 381.7 374.3 338.6 322.2 307 289.6 275.7 230.1 220.3 Sorry if this question has been asked numerous times, I just haven't been able to figure out the different syntaxes and functions. Thanks for any help with this. Origin Ver. and Service Release (Select Help-->About Origin): 8.0.63.988 SR6 Operating System: Windows XP [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.