ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change
on this file since 67dd757 was
82a54b8,
checked in by Mathieu Doucet <doucetm@…>, 13 years ago
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adding plottools Part 2
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-
Property mode set to
100644
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File size:
990 bytes
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1 | import math |
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2 | |
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3 | # log(x) |
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4 | def from_log10(x, y=0): |
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5 | return math.pow(10.0, x) |
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6 | def err_log10(x, y, dx, dy): |
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7 | return math.pow(10.0, x)*dx |
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8 | |
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9 | # ln(x) |
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10 | def from_lnx(x, y=0): |
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11 | return math.exp(x) |
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12 | def err_lnx(x, y, dx, dy): |
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13 | return math.exp(x)*dx |
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14 | |
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15 | # x^2 |
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16 | def from_x2(x, y=0): |
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17 | return math.sqrt(x) |
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18 | def err_x2(x, y, dx, dy): |
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19 | return 0.5*dx/math.sqrt(x) |
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20 | |
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21 | # 1/x |
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22 | def from_inv_x(x, y=0): |
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23 | return 1.0/x |
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24 | def err_inv_x(x, y, dx, dy): |
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25 | return 1.0/(x**2)*dx |
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26 | |
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27 | # 1/sqrt(y) |
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28 | def from_inv_sqrtx(x, y=0): |
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29 | return 1.0/x**2 |
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30 | def err_inv_sqrtx(x, y, dx, dy): |
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31 | return 2.0*math.pow(x,-3.0)*dx |
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32 | |
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33 | # ln(xy) |
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34 | def from_lnxy(x, y): |
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35 | return math.exp(x)/y |
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36 | def err_lnxy(x, y, dx, dy): |
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37 | return math.exp(x)/y*dx |
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38 | |
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39 | # ln(xy2) |
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40 | def from_lnx2y(x, y): |
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41 | return math.exp(x)/y**2 |
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42 | def err_lnx2y(x, y, dx, dy): |
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43 | return math.exp(x)/y**2*dx |
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44 | |
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45 | # ln(xy4) |
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46 | def from_lnx4y(x, y): |
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47 | return math.exp(x)/y**4 |
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48 | def err_lnx4y(x, y, dx, dy): |
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49 | return math.exp(x)/y**4*dx |
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50 | |
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