从 csv 数据读取多行标题

从 csv 数据读取多行标题

我有一个 csv 文件,其中包含我想要用 pgfplots 绘制的信号点。

我的问题是,我以某种方式格式化了 Matlab 导出,以便每个信号的单位都写在标题列下(我希望它保持这种方式,这样我就可以在表格中使用此信息)。现在,当我尝试读出列来绘制我的数据时,我收到错误,它们的单位妨碍了数据的读出。

有没有办法使用标题,同时还能在读取时跳过某一行?这样我就可以读出我的数据,同时跳过单位行/标题。

以下代码是我的代码的 MWE,注释掉的行基本上是提到的单元行,我想在我的表中考虑它。当单元行被注释掉时,代码可以工作,但如果取消注释,就会发生错误。


\documentclass[tikz]{standalone}
\usepackage{pgfplots}
\usepackage{tikz}

\begin{document}
\begin{tikzpicture}
  \begin{axis}[grid = major]
    \addplot[color=blue]
    table[x=t, y=u_C] {
        t   u_C
        %\second   \volt
        0.000000e+00    1.025483e-02
        1.000000e-02    1.067231e-02
        2.000000e-02    1.089647e-02
        3.000000e-02    1.091086e-02
        4.000000e-02    1.070236e-02
        5.000000e-02    1.026160e-02
        6.000000e-02    9.583387e-03
        7.000000e-02    8.667108e-03
        8.000000e-02    7.516976e-03
        9.000000e-02    6.142264e-03
        1.000000e-01    4.557415e-03
        1.100000e-01    2.782068e-03
        1.200000e-01    8.409701e-04
        1.300000e-01    -1.236215e-03
        1.400000e-01    -3.415216e-03
        1.500000e-01    -5.657576e-03
        1.600000e-01    -7.921179e-03
        1.700000e-01    -1.016090e-02
        1.800000e-01    -1.232933e-02
        1.900000e-01    -1.437762e-02
        2.000000e-01    -1.625642e-02
        2.100000e-01    -1.791680e-02
        2.200000e-01    -1.931133e-02
        2.300000e-01    -2.039514e-02
        2.400000e-01    -2.112699e-02
        2.500000e-01    -2.147032e-02
        2.600000e-01    -2.139432e-02
        2.700000e-01    -2.087488e-02
        2.800000e-01    -1.989552e-02
        2.900000e-01    -1.844818e-02
        3.000000e-01    -1.653390e-02
        3.100000e-01    -1.416335e-02
        3.200000e-01    -1.135722e-02
        3.300000e-01    -8.146375e-03
        3.400000e-01    -4.571887e-03
        3.500000e-01    -6.847962e-04
        3.600000e-01    3.454317e-03
        3.700000e-01    7.775987e-03
        3.800000e-01    1.220274e-02
        3.900000e-01    1.665020e-02
        4.000000e-01    2.102837e-02
        4.100000e-01    2.524319e-02
        4.200000e-01    2.919817e-02
        4.300000e-01    3.279623e-02
        4.400000e-01    3.594173e-02
        4.500000e-01    3.854242e-02
        4.600000e-01    4.051163e-02
        4.700000e-01    4.177037e-02
        4.800000e-01    4.224938e-02
        4.900000e-01    4.189119e-02
        5.000000e-01    4.065198e-02
        5.100000e-01    3.850331e-02
        5.200000e-01    3.543363e-02
        5.300000e-01    3.144955e-02
        5.400000e-01    2.657680e-02
        5.500000e-01    2.086087e-02
        5.600000e-01    1.436730e-02
        5.700000e-01    7.181592e-03
        5.800000e-01    -5.913041e-04
        5.900000e-01    -8.827941e-03
        6.000000e-01    -1.738774e-02
        6.100000e-01    -2.611480e-02
        6.200000e-01    -3.484017e-02
        6.300000e-01    -4.338452e-02
        6.400000e-01    -5.156122e-02
        6.500000e-01    -5.917973e-02
        6.600000e-01    -6.604937e-02
        6.700000e-01    -7.198324e-02
        6.800000e-01    -7.680237e-02
        6.900000e-01    -8.033986e-02
        7.000000e-01    -8.244509e-02
        7.100000e-01    -8.298774e-02
        7.200000e-01    -8.186168e-02
        7.300000e-01    -7.898853e-02
        7.400000e-01    -7.432086e-02
        7.500000e-01    -6.784496e-02
        7.600000e-01    -5.958314e-02
        7.700000e-01    -4.959542e-02
        7.800000e-01    -3.798063e-02
        7.900000e-01    -2.487687e-02
        8.000000e-01    -1.046119e-02
        8.100000e-01    5.051456e-03
        8.200000e-01    2.141012e-02
        8.300000e-01    3.833062e-02
        8.400000e-01    5.549924e-02
        8.500000e-01    7.257739e-02
        8.600000e-01    8.920707e-02
        8.700000e-01    1.050173e-01
        8.800000e-01    1.196315e-01
        8.900000e-01    1.326747e-01
        9.000000e-01    1.437825e-01
        9.100000e-01    1.526090e-01
        9.200000e-01    1.588353e-01
        9.300000e-01    1.621779e-01
        9.400000e-01    1.623962e-01
        9.500000e-01    1.592993e-01
        9.600000e-01    1.527531e-01
        9.700000e-01    1.426847e-01
        9.800000e-01    1.290879e-01
        9.900000e-01    1.120265e-01
        1.000000e+00    9.163694e-02
        1.010000e+00    6.813077e-02
        1.020000e+00    4.179524e-02
        1.030000e+00    1.299338e-02
        1.040000e+00    -1.783751e-02
        1.050000e+00    -5.018880e-02
        1.060000e+00    -8.348550e-02
        1.070000e+00    -1.170934e-01
        1.080000e+00    -1.503285e-01
        1.090000e+00    -1.824696e-01
        1.100000e+00    -2.127725e-01
        1.110000e+00    -2.404867e-01
        1.120000e+00    -2.648741e-01
        1.130000e+00    -2.852271e-01
        1.140000e+00    -3.008880e-01
        1.150000e+00    -3.112656e-01
        1.160000e+00    -3.158511e-01
        1.170000e+00    -3.142304e-01
        1.180000e+00    -3.060947e-01
        1.190000e+00    -2.912475e-01
        1.200000e+00    -2.696106e-01
        1.210000e+00    -2.412282e-01
        1.220000e+00    -2.062711e-01
        1.230000e+00    -1.650406e-01
        1.240000e+00    -1.179738e-01
        1.250000e+00    -6.564866e-02
        1.260000e+00    -8.790385e-03
        1.270000e+00    5.172491e-02
        1.280000e+00    1.148688e-01
        1.290000e+00    1.794650e-01
        1.300000e+00    2.442021e-01
        1.310000e+00    3.076558e-01
        1.320000e+00    3.683229e-01
        1.330000e+00    4.246655e-01
        1.340000e+00    4.751626e-01
        1.350000e+00    5.183658e-01
        1.360000e+00    5.529519e-01
        1.370000e+00    5.777679e-01
        1.380000e+00    5.918634e-01
        1.390000e+00    5.945073e-01
        1.400000e+00    5.851913e-01
        1.410000e+00    5.636205e-01
        1.420000e+00    5.296980e-01
        1.430000e+00    4.835085e-01
        1.440000e+00    4.253058e-01
        1.450000e+00    3.555115e-01
        1.460000e+00    2.747259e-01
        1.470000e+00    1.837547e-01
        1.480000e+00    8.365076e-02
        1.490000e+00    -2.423406e-02
        1.500000e+00    -1.381940e-01
        1.510000e+00    -2.561251e-01
        1.520000e+00    -3.755095e-01
        1.530000e+00    -4.934455e-01
        1.540000e+00    -6.067399e-01
        1.550000e+00    -7.120641e-01
        1.560000e+00    -8.061604e-01
        1.570000e+00    -8.860643e-01
        1.580000e+00    -9.493014e-01
        1.590000e+00    -9.940179e-01
        1.600000e+00    -1.019022e+00
        1.610000e+00    -1.023740e+00
        1.620000e+00    -1.008102e+00
        1.630000e+00    -9.724051e-01
        1.640000e+00    -9.171655e-01
        1.650000e+00    -8.430038e-01
        1.660000e+00    -7.505677e-01
        1.670000e+00    -6.405062e-01
        1.680000e+00    -5.134983e-01
        1.690000e+00    -3.703422e-01
        1.700000e+00    -2.121083e-01
        1.710000e+00    -4.035356e-02
        1.720000e+00    1.426172e-01
        1.730000e+00    3.334854e-01
        1.740000e+00    5.277265e-01
        1.750000e+00    7.196021e-01
        1.760000e+00    9.024443e-01
        1.770000e+00    1.069265e+00
        1.780000e+00    1.213589e+00
        1.790000e+00    1.330281e+00
        1.800000e+00    1.416088e+00
        1.810000e+00    1.469754e+00
        1.820000e+00    1.491717e+00
        1.830000e+00    1.483568e+00
        1.840000e+00    1.447475e+00
        1.850000e+00    1.385694e+00
        1.860000e+00    1.300245e+00
        1.870000e+00    1.192731e+00
        1.880000e+00    1.064286e+00
        1.890000e+00    9.156060e-01
        1.900000e+00    7.470667e-01
        1.910000e+00    5.589184e-01
        1.920000e+00    3.515877e-01
        1.930000e+00    1.261093e-01
        1.940000e+00    -1.153016e-01
        1.950000e+00    -3.685953e-01
        1.960000e+00    -6.273254e-01
        1.970000e+00    -8.824969e-01
        1.980000e+00    -1.123181e+00
        1.990000e+00    -1.338023e+00
        2.000000e+00    -1.517274e+00
        2.010000e+00    -1.654537e+00
        2.020000e+00    -1.747479e+00
        2.030000e+00    -1.797346e+00
        2.040000e+00    -1.807731e+00
        2.050000e+00    -1.783221e+00
        2.060000e+00    -1.728359e+00
        2.070000e+00    -1.647035e+00
        2.080000e+00    -1.542229e+00
        2.090000e+00    -1.415980e+00
        2.100000e+00    -1.269471e+00
        2.110000e+00    -1.103171e+00
        2.120000e+00    -9.170172e-01
        2.130000e+00    -7.106536e-01
        2.140000e+00    -4.837670e-01
        2.150000e+00    -2.365829e-01
        2.160000e+00    2.943436e-02
        2.170000e+00    3.106929e-01
        2.180000e+00    6.005813e-01
        2.190000e+00    8.890009e-01
        2.200000e+00    1.162913e+00
        2.210000e+00    1.408253e+00
        2.220000e+00    1.612789e+00
        2.230000e+00    1.768695e+00
        2.240000e+00    1.873586e+00
        2.250000e+00    1.929755e+00
        2.260000e+00    1.942350e+00
        2.270000e+00    1.917496e+00
        2.280000e+00    1.860981e+00
        2.290000e+00    1.777570e+00
        2.300000e+00    1.670801e+00
        2.310000e+00    1.543033e+00
        2.320000e+00    1.395598e+00
        2.330000e+00    1.228988e+00
        2.340000e+00    1.043056e+00
        2.350000e+00    8.372413e-01
        2.360000e+00    6.108658e-01
        2.370000e+00    3.635781e-01
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        2.400000e+00    -4.871260e-01
        2.410000e+00    -7.881778e-01
        2.420000e+00    -1.079752e+00
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        2.530000e+00    -1.628616e+00
        2.540000e+00    -1.487569e+00
        2.550000e+00    -1.327511e+00
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        2.580000e+00    -7.312638e-01
        2.590000e+00    -4.916579e-01
        2.600000e+00    -2.311485e-01
        2.610000e+00    4.884032e-02
        2.620000e+00    3.444258e-01
        2.630000e+00    6.482549e-01
        2.640000e+00    9.490364e-01
        2.650000e+00    1.232329e+00
        2.660000e+00    1.482936e+00
        2.670000e+00    1.688257e+00
        2.680000e+00    1.841019e+00
        2.690000e+00    1.940025e+00
        2.700000e+00    1.988898e+00
        2.710000e+00    1.993866e+00
        2.720000e+00    1.961742e+00
        2.730000e+00    1.898646e+00
        2.740000e+00    1.809434e+00
        2.750000e+00    1.697596e+00
        2.760000e+00    1.565372e+00
        2.770000e+00    1.413958e+00
        2.780000e+00    1.243704e+00
        2.790000e+00    1.054326e+00
        2.800000e+00    8.451350e-01
        2.810000e+00    6.153404e-01
        2.820000e+00    3.644985e-01
        2.830000e+00    9.318505e-02
        2.840000e+00    -1.960803e-01
        2.850000e+00    -4.977636e-01
        2.860000e+00    -8.024866e-01
        2.870000e+00    -1.097108e+00
        2.880000e+00    -1.366342e+00
        2.890000e+00    -1.595823e+00
        2.900000e+00    -1.775378e+00
        2.910000e+00    -1.900868e+00
        2.920000e+00    -1.973827e+00
        2.930000e+00    -1.999532e+00
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        2.950000e+00    -1.936126e+00
        2.960000e+00    -1.859153e+00
        2.970000e+00    -1.758015e+00
        2.980000e+00    -1.635551e+00
        2.990000e+00    -1.493447e+00
        3.000000e+00    -1.332442e+00
        3.010000e+00    -1.152537e+00
        3.020000e+00    -9.532081e-01
        3.030000e+00    -7.336619e-01
        3.040000e+00    -4.932068e-01
        3.050000e+00    -2.318026e-01
        3.060000e+00    4.913790e-02
        3.070000e+00    3.457213e-01
        3.080000e+00    6.505531e-01
        3.090000e+00    9.522661e-01
        3.100000e+00    1.236322e+00
        3.110000e+00    1.487440e+00
        3.120000e+00    1.692983e+00
        3.130000e+00    1.845699e+00
        3.140000e+00    1.944464e+00
        3.150000e+00    1.992985e+00
        3.160000e+00    1.997560e+00
        3.170000e+00    1.965052e+00
        3.180000e+00    1.901603e+00
        3.190000e+00    1.812082e+00
        3.200000e+00    1.699977e+00
        3.210000e+00    1.567525e+00
        3.220000e+00    1.415914e+00
        3.230000e+00    1.245487e+00
        3.240000e+00    1.055953e+00
        3.250000e+00    8.466158e-01
        3.260000e+00    6.166747e-01
        3.270000e+00    3.656774e-01
        3.280000e+00    9.419001e-02
        3.290000e+00    -1.952767e-01
        3.300000e+00    -4.971942e-01
        3.310000e+00    -8.021825e-01
        3.320000e+00    -1.097088e+00
        3.330000e+00    -1.366603e+00
        3.340000e+00    -1.596335e+00
        3.350000e+00    -1.776091e+00
        3.360000e+00    -1.901725e+00
        3.370000e+00    -1.974775e+00
        3.380000e+00    -2.000531e+00
        3.390000e+00    -1.985786e+00
        3.400000e+00    -1.937157e+00
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        3.420000e+00    -1.759051e+00
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        3.540000e+00    9.512155e-01
        3.550000e+00    1.235432e+00
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        3.570000e+00    1.692530e+00
        3.580000e+00    1.845476e+00
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        3.610000e+00    1.997875e+00
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        3.630000e+00    1.902135e+00
        3.640000e+00    1.812696e+00
        3.650000e+00    1.700664e+00
        3.660000e+00    1.568281e+00
        3.670000e+00    1.416738e+00
        3.680000e+00    1.246380e+00
        3.690000e+00    1.056920e+00
        3.700000e+00    8.476591e-01
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        3.730000e+00    9.546592e-02
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        3.820000e+00    -1.974631e+00
        3.830000e+00    -2.000580e+00
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        3.850000e+00    -1.937500e+00
        3.860000e+00    -1.860642e+00
        3.870000e+00    -1.759603e+00
        3.880000e+00    -1.637231e+00
        3.890000e+00    -1.495220e+00
        3.900000e+00    -1.334313e+00
        3.910000e+00    -1.154514e+00
        3.920000e+00    -9.553006e-01
        3.930000e+00    -7.358777e-01
        3.940000e+00    -4.955485e-01
        3.950000e+00    -2.342622e-01
        3.960000e+00    4.658621e-02
        3.970000e+00    3.431296e-01
        3.980000e+00    6.480050e-01
        3.990000e+00    9.498738e-01
        4.000000e+00    1.234211e+00
        4.010000e+00    1.348035e+00
        4.020000e+00    1.434001e+00
        4.030000e+00    1.763964e+00
        4.040000e+00    2.271569e+00
        4.050000e+00    2.828784e+00
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      };
  \end{axis}
\end{tikzpicture}
\end{document} 

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