Matlab - Seleccionar ciertas filas en un documento txt

# Mie Scattering # Version 2-3-3 (15:30:19 01/28/12)

 # Oregon Medical Laser Center # http://omlc.ogi.edu

 # by Scott Prahl # prahls@ohsu.edu

 #

 # radius 0.50000 [microns] (sphere radius)

 # n_medium 1.00000 [---] (refractive index of medium)

 # n_real 1.50000 [---] (refractive index of sphere)

 # n_imag 0.00000 [---] (absorption of sphere)

 # lambda_vac 0.63280 [microns] (wavelength in vaccuum)

 # density 0.10000 [#/micron^3] (spheres per cubic micron)

 #

 # lambda 0.63280 [microns] (wavelength in medium)

 # X 4.96459 [---] (size parameter)

 # g 0.70765 [---] (average cosine of phase function)

 # Qsca 3.8962 [---] (scattering efficiency)

 # Qext 3.8962 [---] (extinction efficiency)

 # Qback 1.9428 [---] (backscattering efficiency)

 # Csca 3.06 [micron^2] (scattering cross section)

 # Cext 3.06 [micron^2] (extinction cross section)

 # Cback 1.5259 [micron^2] (backscattering cross section)

 # mu_s 306 [1/mm] (scattering coefficient)

 # mu_s' 89.459 [1/mm] (reduced scattering coefficient)

 # mu_t 306 [1/mm] (total attenuation coefficient)

 #

 # The second column is normalized so that the integral of it over 

 # 4*pi steradians will be unity. The average of the 3rd & 4th

 # columns is the second. The next three columns are normalized

 # to the value at 0 degrees. 

 #

 # natural = (|S1|^2+|S2|^2)/(pi X^2 Qsca)

 # perpen = |S1|^2/(pi X^2 Qsca)

 # parallel = |S2|^2/(pi X^2 Qsca)

 # polarization = (|S1|^2-|S2|^2)/(|S1|^2+|S2|^2)

 # S33 = Real(S2 * S1^*)

 # S34 = -Imag(S2 * S1^*)

 #

 ##theta natural perpen parallel natural perpen parallel polarization S33 S34

 -176.400 0.03799 0.03644 0.03954 0.01970 0.01889 0.02050 -0.04077 -0.99893 0.02203

 -172.800 0.03348 0.02783 0.03912 0.01736 0.01443 0.02028 -0.16863 -0.98155 0.09013

 -169.200 0.02764 0.01680 0.03847 0.01433 0.00871 0.01994 -0.39194 -0.89695 0.20462

 -165.600 0.02233 0.00710 0.03757 0.01158 0.00368 0.01948 -0.68230 -0.64708 0.34021

 -162.000 0.01914 0.00192 0.03637 0.00993 0.00100 0.01886 -0.89973 -0.15545 0.40783

 -158.400 0.01878 0.00286 0.03470 0.00974 0.00148 0.01799 -0.84785 0.43465 0.30370

 -154.800 0.02087 0.00934 0.03240 0.01082 0.00484 0.01680 -0.55244 0.83092 0.06615

 -151.200 0.02413 0.01891 0.02935 0.01251 0.00981 0.01522 -0.21628 0.95919 -0.18212

 -147.600 0.02686 0.02813 0.02559 0.01393 0.01459 0.01327 0.04723 0.92096 -0.38678

 -144.000 0.02761 0.03381 0.02141 0.01432 0.01753 0.01110 0.22441 0.80272 -0.55253

 -140.400 0.02570 0.03408 0.01732 0.01333 0.01767 0.00898 0.32609 0.63853 -0.69710

 -136.800 0.02148 0.02902 0.01395 0.01114 0.01505 0.00723 0.35073 0.42930 -0.83228

 -133.200 0.01614 0.02042 0.01187 0.00837 0.01059 0.00615 0.26484 0.16206 -0.95058

 -129.600 0.01125 0.01110 0.01139 0.00583 0.00576 0.00591 -0.01305 -0.14830 -0.98886

 -126.000 0.00814 0.00383 0.01245 0.00422 0.00199 0.00645 -0.52923 -0.32836 -0.78236

 -122.400 0.00744 0.00036 0.01452 0.00386 0.00018 0.00753 -0.95209 -0.06498 -0.29883

 -118.800 0.00885 0.00090 0.01680 0.00459 0.00047 0.00871 -0.89812 0.43595 0.05778

 -115.200 0.01135 0.00429 0.01841 0.00589 0.00222 0.00955 -0.62206 0.77096 0.13658

 -111.600 0.01365 0.00857 0.01874 0.00708 0.00444 0.00971 -0.37217 0.92447 0.08268

 -108.000 0.01475 0.01189 0.01761 0.00765 0.00617 0.00913 -0.19387 0.98095 -0.01191

 -104.400 0.01433 0.01321 0.01545 0.00743 0.00685 0.00801 -0.07814 0.98977 -0.11935

 -100.800 0.01287 0.01262 0.01313 0.00667 0.00654 0.00681 -0.01966 0.97230 -0.23289

 -97.200 0.01137 0.01108 0.01166 0.00589 0.00575 0.00604 -0.02523 0.94005 -0.34010

 -93.600 0.01087 0.00986 0.01187 0.00563 0.00511 0.00616 -0.09240 0.90858 -0.40736

 -90.000 0.01196 0.00984 0.01409 0.00620 0.00510 0.00731 -0.17770 0.89452 -0.41019

 -86.400 0.01455 0.01109 0.01801 0.00754 0.00575 0.00934 -0.23763 0.89632 -0.37435

 -82.800 0.01792 0.01300 0.02284 0.00929 0.00674 0.01184 -0.27472 0.90244 -0.33187

 -79.200 0.02120 0.01472 0.02769 0.01099 0.00763 0.01436 -0.30581 0.90799 -0.28642

 -75.600 0.02397 0.01596 0.03199 0.01243 0.00827 0.01659 -0.33438 0.91478 -0.22664

 -72.000 0.02663 0.01742 0.03585 0.01381 0.00903 0.01859 -0.34599 0.92709 -0.14421

 -68.400 0.03039 0.02076 0.04002 0.01576 0.01076 0.02075 -0.31691 0.94708 -0.05105

 -64.800 0.03673 0.02788 0.04559 0.01905 0.01445 0.02364 -0.24111 0.97033 0.01817

 -61.200 0.04650 0.03973 0.05326 0.02411 0.02060 0.02762 -0.14557 0.98865 0.03711

 -57.600 0.05904 0.05529 0.06279 0.03061 0.02867 0.03256 -0.06357 0.99792 0.01051

 -54.000 0.07197 0.07121 0.07273 0.03732 0.03692 0.03771 -0.01057 0.99904 -0.04261

 -50.400 0.08182 0.08271 0.08094 0.04242 0.04288 0.04197 0.01080 0.99415 -0.10751

 -46.800 0.08580 0.08566 0.08594 0.04449 0.04442 0.04456 -0.00160 0.98455 -0.17511

 -43.200 0.08412 0.07947 0.08877 0.04362 0.04121 0.04603 -0.05526 0.97102 -0.23254

 -39.600 0.08217 0.06958 0.09476 0.04261 0.03608 0.04913 -0.15325 0.95688 -0.24675

 -36.000 0.09149 0.06861 0.11438 0.04744 0.03557 0.05931 -0.25014 0.95246 -0.17392

 -32.400 0.12868 0.09507 0.16228 0.06672 0.04929 0.08414 -0.26114 0.96390 -0.05208

 -28.800 0.21194 0.16950 0.25438 0.10989 0.08789 0.13189 -0.20023 0.97940 0.02600

 -25.200 0.35596 0.30861 0.40330 0.18456 0.16001 0.20911 -0.13300 0.98987 0.04975

 -21.600 0.56611 0.51902 0.61320 0.29352 0.26911 0.31794 -0.08318 0.99542 0.04710

 -18.000 0.83410 0.79246 0.87574 0.43247 0.41088 0.45407 -0.04993 0.99810 0.03600

 -14.400 1.13652 1.10433 1.16871 0.58928 0.57259 0.60596 -0.02832 0.99931 0.02394

 -10.800 1.43734 1.41648 1.45820 0.74525 0.73443 0.75606 -0.01451 0.99980 0.01366

 -7.200 1.69427 1.68404 1.70450 0.87847 0.87316 0.88377 -0.00604 0.99996 0.00610

 -3.600 1.86750 1.86479 1.87021 0.96828 0.96688 0.96969 -0.00145 1.00000 0.00153

 0.000 1.92867 1.92867 1.92867 1.00000 1.00000 1.00000 0.00000 1.00000 -0.00000

 3.600 1.86750 1.86479 1.87021 0.96828 0.96688 0.96969 -0.00145 1.00000 0.00153

 7.200 1.69427 1.68404 1.70450 0.87847 0.87316 0.88377 -0.00604 0.99996 0.00610

 10.800 1.43734 1.41648 1.45820 0.74525 0.73443 0.75606 -0.01451 0.99980 0.01366

 14.400 1.13652 1.10433 1.16871 0.58928 0.57259 0.60596 -0.02832 0.99931 0.02394

 18.000 0.83410 0.79246 0.87574 0.43247 0.41088 0.45407 -0.04993 0.99810 0.03600

 21.600 0.56611 0.51902 0.61320 0.29352 0.26911 0.31794 -0.08318 0.99542 0.04710

 25.200 0.35596 0.30861 0.40330 0.18456 0.16001 0.20911 -0.13300 0.98987 0.04975

 28.800 0.21194 0.16950 0.25438 0.10989 0.08789 0.13189 -0.20023 0.97940 0.02600

 32.400 0.12868 0.09507 0.16228 0.06672 0.04929 0.08414 -0.26114 0.96390 -0.05208

 36.000 0.09149 0.06861 0.11438 0.04744 0.03557 0.05931 -0.25014 0.95246 -0.17392

 39.600 0.08217 0.06958 0.09476 0.04261 0.03608 0.04913 -0.15325 0.95688 -0.24675

 43.200 0.08412 0.07947 0.08877 0.04362 0.04121 0.04603 -0.05526 0.97102 -0.23254

 46.800 0.08580 0.08566 0.08594 0.04449 0.04442 0.04456 -0.00160 0.98455 -0.17511

 50.400 0.08182 0.08271 0.08094 0.04242 0.04288 0.04197 0.01080 0.99415 -0.10751

 54.000 0.07197 0.07121 0.07273 0.03732 0.03692 0.03771 -0.01057 0.99904 -0.04261

 57.600 0.05904 0.05529 0.06279 0.03061 0.02867 0.03256 -0.06357 0.99792 0.01051

 61.200 0.04650 0.03973 0.05326 0.02411 0.02060 0.02762 -0.14557 0.98865 0.03711

 64.800 0.03673 0.02788 0.04559 0.01905 0.01445 0.02364 -0.24111 0.97033 0.01817

 68.400 0.03039 0.02076 0.04002 0.01576 0.01076 0.02075 -0.31691 0.94708 -0.05105

 72.000 0.02663 0.01742 0.03585 0.01381 0.00903 0.01859 -0.34599 0.92709 -0.14421

 75.600 0.02397 0.01596 0.03199 0.01243 0.00827 0.01659 -0.33438 0.91478 -0.22664

 79.200 0.02120 0.01472 0.02769 0.01099 0.00763 0.01436 -0.30581 0.90799 -0.28642

 82.800 0.01792 0.01300 0.02284 0.00929 0.00674 0.01184 -0.27472 0.90244 -0.33187

 86.400 0.01455 0.01109 0.01801 0.00754 0.00575 0.00934 -0.23763 0.89632 -0.37435

 90.000 0.01196 0.00984 0.01409 0.00620 0.00510 0.00731 -0.17770 0.89452 -0.41019

 93.600 0.01087 0.00986 0.01187 0.00563 0.00511 0.00616 -0.09240 0.90858 -0.40736

 97.200 0.01137 0.01108 0.01166 0.00589 0.00575 0.00604 -0.02523 0.94005 -0.34010

 100.800 0.01287 0.01262 0.01313 0.00667 0.00654 0.00681 -0.01966 0.97230 -0.23289

 104.400 0.01433 0.01321 0.01545 0.00743 0.00685 0.00801 -0.07814 0.98977 -0.11935

 108.000 0.01475 0.01189 0.01761 0.00765 0.00617 0.00913 -0.19387 0.98095 -0.01191

 111.600 0.01365 0.00857 0.01874 0.00708 0.00444 0.00971 -0.37217 0.92447 0.08268

 115.200 0.01135 0.00429 0.01841 0.00589 0.00222 0.00955 -0.62206 0.77096 0.13658

 118.800 0.00885 0.00090 0.01680 0.00459 0.00047 0.00871 -0.89812 0.43595 0.05778

 122.400 0.00744 0.00036 0.01452 0.00386 0.00018 0.00753 -0.95209 -0.06498 -0.29883

 126.000 0.00814 0.00383 0.01245 0.00422 0.00199 0.00645 -0.52923 -0.32836 -0.78236

 129.600 0.01125 0.01110 0.01139 0.00583 0.00576 0.00591 -0.01305 -0.14830 -0.98886

 133.200 0.01614 0.02042 0.01187 0.00837 0.01059 0.00615 0.26484 0.16206 -0.95058

 136.800 0.02148 0.02902 0.01395 0.01114 0.01505 0.00723 0.35073 0.42930 -0.83228

 140.400 0.02570 0.03408 0.01732 0.01333 0.01767 0.00898 0.32609 0.63853 -0.69710

 144.000 0.02761 0.03381 0.02141 0.01432 0.01753 0.01110 0.22441 0.80272 -0.55253

 147.600 0.02686 0.02813 0.02559 0.01393 0.01459 0.01327 0.04723 0.92096 -0.38678

 151.200 0.02413 0.01891 0.02935 0.01251 0.00981 0.01522 -0.21628 0.95919 -0.18212

 154.800 0.02087 0.00934 0.03240 0.01082 0.00484 0.01680 -0.55244 0.83092 0.06615

 158.400 0.01878 0.00286 0.03470 0.00974 0.00148 0.01799 -0.84785 0.43465 0.30370

 162.000 0.01914 0.00192 0.03637 0.00993 0.00100 0.01886 -0.89973 -0.15545 0.40783

 165.600 0.02233 0.00710 0.03757 0.01158 0.00368 0.01948 -0.68230 -0.64708 0.34021

 169.200 0.02764 0.01680 0.03847 0.01433 0.00871 0.01994 -0.39194 -0.89695 0.20462

 172.800 0.03348 0.02783 0.03912 0.01736 0.01443 0.02028 -0.16863 -0.98155 0.09013

 176.400 0.03799 0.03644 0.03954 0.01970 0.01889 0.02050 -0.04077 -0.99893 0.02203

 180.000 0.03968 0.03968 0.03968 0.02057 0.02057 0.02057 0.00000 -1.00000 -0.00000

>> importacion_datos_jose7

C =

    ' # radius 0.50000 [microns] (sphere radius)'

    ' # n_medium 1.00000 [---] (refractive index of medium)'

    ' # n_real 1.50000 [---] (refractive index of sphere)'

    ' # n_imag 0.00000 [---] (absorption of sphere)'

    ' # lambda_vac 0.63280 [microns] (wavelength in vaccuum)'

    ' # density 0.10000 [#/micron^3] (spheres per cubic micron)'

    ' #'

    ' # lambda 0.63280 [microns] (wavelength in medium)'

    ' # X 4.96459 [---] (size parameter)'

    ' # g 0.70765 [---] (average cosine of phase function)'

    ' # Qsca 3.8962 [---] (scattering efficiency)'

    ' # Qext 3.8962 [---] (extinction efficiency)'

    ' # Qback 1.9428 [---] (backscattering efficiency)'

    ' # Csca 3.06 [micron^2] (scattering cross section)'

    ' # Cext 3.06 [micron^2] (extinction cross section)'

    ' # Cback 1.5259 [micron^2] (backscattering cross section)'

    ' # mu_s 306 [1/mm] (scattering coefficient)'

    ' # mu_s' 89.459 [1/mm] (reduced scattering coefficient)'

    ' # mu_t 306 [1/mm] (total attenuation coefficient)'