Updated equation typesetting.

这个提交包含在:
Craig Warren
2022-01-07 16:03:07 +00:00
父节点 001c3a763f
当前提交 6b54f365c7

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@@ -21,18 +21,18 @@ The generic form of dispersive media is
.. math::
\epsilon(\omega) = \epsilon^{'}(\omega) - j\epsilon^{''}(\omega),
\\epsilon(\\omega) = \\epsilon^{'}(\\omega) - j\\epsilon^{''}(\\omega),
where :math:`\omega` is the angular frequency, :math:`\epsilon^{'}` and :math:`\epsilon^{''}` are the real and imaginary parts of the permittivity respectively.
where :math:`\\omega` is the angular frequency, :math:`\\epsilon^{'}` and :math:`\\epsilon^{''}` are the real and imaginary parts of the permittivity respectively.
This package provides scripts and tools which can be used to fit a multi-Debye expansion to dielectric data, defined as
.. math::
\epsilon(\omega) = \epsilon_{\infty} + \sum_{i=1}^{N}\frac{\Delta\epsilon_{i}}{1+j\omega t_{0,i}},
\\epsilon(\\omega) = \\epsilon_{\\infty} + \\sum_{i=1}^{N}\\frac{\\Delta\\epsilon_{i}}{1+j\\omega t_{0,i}},
where :math:`\epsilon(\omega)` is frequency dependent dielectric permittivity, :math:`\Delta\epsilon` - difference between the real permittivity at zero and infinite frequency.
:math:`\tau_{0}` is relaxation time (seconds), :math:`\epsilon_{\infty}` - real part of relative permittivity at infinite frequency, and :math:`N` is number of the Debye poles.
where :math:`\\epsilon(\\omega)` is frequency dependent dielectric permittivity, :math:`\\Delta\\epsilon` - difference between the real permittivity at zero and infinite frequency.
:math:`\\tau_{0}` is relaxation time (seconds), :math:`\\epsilon_{\\infty}` - real part of relative permittivity at infinite frequency, and :math:`N` is number of the Debye poles.
To fit the data to a multi-Debye expansion, you can choose between Havriliak-Negami, Jonscher, or Complex Refractive Index Mixing (CRIM) models, as well as arbitrary dielectric data derived experimentally or calculated using a different function.
@@ -65,7 +65,7 @@ The Havriliak-Negami relaxation is an empirical modification of the Debye relaxa
.. math::
\epsilon(\omega) = \epsilon_{\infty} + \frac{\Delta\epsilon}{\left(1+\left(j\omega t_{0}\right)^{a}\right)^{b}}
\\epsilon(\\omega) = \\epsilon_{\\infty} + \\frac{\\Delta\\epsilon}{\\left(1+\\left(j\\omega t_{0}\\right)^{a}\\right)^{b}}
The ``HavriliakNegami`` class has the following structure:
@@ -83,8 +83,8 @@ The ``HavriliakNegami`` class has the following structure:
* ``f_min`` is first bound of the frequency range used to approximate the given function (Hz),
* ``f_max`` is second bound of the frequency range used to approximate the given function (Hz),
* ``alpha`` is real positive float number which varies 0 < $\alpha$ < 1,
* ``beta`` is real positive float number which varies 0 < $\beta$ < 1,
* ``alpha`` is real positive float number which varies :math:`0 < \\alpha < 1`,
* ``beta`` is real positive float number which varies :math:`0 < \\beta < 1`,
* ``e_inf`` is a real part of relative permittivity at infinite frequency,
* ``de`` is a difference between the real permittivity at zero and infinite frequency,
* ``tau_0`` is a relaxation time (seconds),
@@ -107,7 +107,7 @@ function is given by
.. math::
\epsilon(\omega) = \epsilon_{\infty} + a_{p}*\left( -j*\frac{\omega}{\omega_{p}} \right)^{n}
\\epsilon(\\omega) = \\epsilon_{\\infty} + a_{p}*\\left( -j*\\frac{\\omega}{\\omega_{p}} \\right)^{n}
The ``Jonscher`` class has the following structure:
@@ -137,7 +137,7 @@ CRIM is the most mainstream approach for estimating the bulk permittivity of het
.. math::
\epsilon(\omega)^{d} = \sum_{i=1}^{m}f_{i}\epsilon_{m,i}(\omega)^{d}
\\epsilon(\\omega)^{d} = \\sum_{i=1}^{m}f_{i}\\epsilon_{m,i}(\\omega)^{d}
The ``CRIM`` class has the following structure: