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commit de57d2985c232f9657135c99b040a15e9c9126fa Author: Emily Ruzich <[email protected]> Date: Tue May 17 16:01:33 2011 -0400 fixing manual --- doc/source/manual/AppB.rst | 12 ++-- doc/source/manual/convert.rst | 2 +- doc/source/manual/matlab.rst | 12 ++-- doc/source/manual/mne.rst | 6 +- doc/source/manual/utilities.rst | 151 ++++++++++++++++++++-------------------- 5 files changed, 91 insertions(+), 92 deletions(-) diff --git a/doc/source/manual/AppB.rst b/doc/source/manual/AppB.rst index 1ef1f45..520ff98 100755 --- a/doc/source/manual/AppB.rst +++ b/doc/source/manual/AppB.rst @@ -180,7 +180,7 @@ the following command-line options: **\---snr <*value*>** An estimate for the amplitude SNR. The regularization parameter will - be set as INLINE_EQUATION. If the SNR option is + be set as :math:`\lambda = ^1/_{\text{SNR}}`. If the SNR option is absent, the regularization parameter will be estimated from the data. The regularization parameter will be then time dependent. @@ -202,14 +202,14 @@ the following command-line options: **\---chi2** - Calculate an approximate INLINE_EQUATION statistic + Calculate an approximate :math:`\chi_2^3` statistic instead of the *F* statistic. This is simply accomplished by multiplying the *F* statistic by three. **\---sqrtF** - Take the square root of the INLINE_EQUATION or *F* statistic + Take the square root of the :math:`\chi_2^3` or *F* statistic before outputting the stc file. **\---collapse** @@ -223,13 +223,13 @@ the following command-line options: **\---collapse1** Make all frames in the stc file (or the wfile) indentical. The value - at each source location is the INLINE_EQUATION norm + at each source location is the :math:`L_1` norm of the output quantity at this location over the analysis period. **\---collapse2** Make all frames in the stc file (or the wfile) identical. The value - at each source location is the INLINE_EQUATION norm + at each source location is the :math:`L_2` norm of the output quantity at this location over the analysis period. **\---SIcurrents** @@ -286,7 +286,7 @@ the following command-line options: Label to process. The label files are produced by tksurfer and specify regions of interests (ROIs). A label file name should end with ``-lh.label`` for left-hemisphere ROIs and with ``-rh.label`` for right-hemisphere - ones. The corresponding output files are tagged with ``-lh-`` <*data type ``.amp`` and ``-rh-`` <*data type ``.amp`` , respectively. <*data type*> equals ``MNE`` for expected current + ones. The corresponding output files are tagged with ``-lh-`` <*data type* ``.amp`` and ``-rh-`` <*data type* ``.amp`` , respectively. <*data type*> equals ``MNE`` for expected current data and ``spm`` for dSPM data. Each line of the output file contains the waveform of the output quantity at one of the source locations falling inside the ROI. diff --git a/doc/source/manual/convert.rst b/doc/source/manual/convert.rst index a3462d6..e74aa3d 100755 --- a/doc/source/manual/convert.rst +++ b/doc/source/manual/convert.rst @@ -1789,7 +1789,7 @@ The prefix given with the ``--tag`` option is indicated <*tag*> , see :ref:`BEHC meg_head_trans 4 x 4 The coordinate frame transformation from the MEG device coordinates to the MEG head coordinates noise_cov nchan x nchan The noise covariance matrix source_cov nsource The elements of the diagonal source covariance matrix. - sing nchan The singular values of :math:`A = C_0^{-^1/_2} G R^C = U \Lambda V^T` with :math:`R` selected so that trace :math:`(AA^T)`/trace :math:`(I = 1)` as discussed in :ref:`CHDDHAGE` + sing nchan The singular values of :math:`A = C_0^{-^1/_2} G R^C = U \Lambda V^T` with :math:`R` selected so that :math:`\text{trace}(AA^T) / \text{trace}(I) = 1` as discussed in :ref:`CHDDHAGE` eigen_fields nchan x nchan The rows of this matrix are the left singular vectors of :math:`A`, i.e., the columns of :math:`U`, see above. eigen_leads nchan x nsource The rows of this matrix are the right singular vectors of :math:`A`, i.e., the columns of :math:`V`, see above. noise_eigenval nchan In terms of :ref:`CHDDHAGE`, eigenvalues of :math:`C_0`, i.e., not scaled with number of averages. diff --git a/doc/source/manual/matlab.rst b/doc/source/manual/matlab.rst index 68c601e..a50f159 100755 --- a/doc/source/manual/matlab.rst +++ b/doc/source/manual/matlab.rst @@ -698,18 +698,18 @@ The documented structures are: nchan int32 Number of channels. coord_frame int32 Coordinate frame in which the locations and orientations are expressed. source_nn double(*,3) The source orientations. Number of rows is either nsource (fixed source orientations) or 3*nsource (all source orientations). - sing double(nchan) The singular values, *i.e.*, the diagonal values of INLINE_EQUATION, see :ref:`CHDBEHBC`. - eigen_leads double(*,nchan) The matrix INLINE_EQUATION, see :ref:`CHDBEHBC`. - eigen_fields double(nchan,nchan) The matrix INLINE_EQUATION, see :ref:`CHDBEHBC`. - noise_cov cov The noise covariance matrix C. - source_cov cov The source covariance matrix R. + sing double(nchan) The singular values, *i.e.*, the diagonal values of :math:`\Lambda`, see :ref:`CHDBEHBC`. + eigen_leads double(*,nchan) The matrix :math:`V`, see :ref:`CHDBEHBC`. + eigen_fields double(nchan,nchan) The matrix :math:`U^T`, see :ref:`CHDBEHBC`. + noise_cov cov The noise covariance matrix :math:`C`. + source_cov cov The source covariance matrix :math:`R`. src surf(*) The description of the source spaces mri_head_t trans Transformation from the MRI coordinate frame to the (Neuromag) head coordinate frame. nave double The number of averages. projs proj(*) The SSP vectors which were active when the decomposition was computed proj double(nchan) The projection operator computed using projs . whitener A sparse matrix containing the noise normalization factors. Dimension is either nsource (fixed source orientations) or 3*nsource (all source orientations). - reginv double(nchan) The diagonal matrix INLINE_EQUATION, see :ref:`CHDBEHBC`. + reginv double(nchan) The diagonal matrix :math:`\Gamma`, see :ref:`CHDBEHBC`. noisenorm double(*) A sparse matrix containing the noise normalization factors. Dimension is either nsource (fixed source orientations) or 3*nsource (all source orientations). =============== ====================== ============================================================================================================================================================== diff --git a/doc/source/manual/mne.rst b/doc/source/manual/mne.rst index 7736df1..c1237c5 100755 --- a/doc/source/manual/mne.rst +++ b/doc/source/manual/mne.rst @@ -116,11 +116,11 @@ equivalent to a change in the variance of the current amplitudes in the Bayesian *a priori* distribution. Convenient choice for the source-covariance matrix :math:`R` is -such that trace :math:`(\tilde{G} R \tilde{G}^T)/` trace :math:`(I) = 1`. With this choice we +such that :math:`\text{trace}(\tilde{G} R \tilde{G}^T) / \text{trace}(I) = 1`. With this choice we can approximate :math:`\lambda^2 \sim 1/SNR`, where SNR is the (power) signal-to-noise ratio of the whitened data. -.. note:: The definition of the signal to noise-ratio/ :math:`\lambda^2` relationship given above works nicely for the whitened forward solution. In the un-whitened case scaling with the trace ratio trace :math:`(GRG^T)/` trace :math:`(C)` does not make sense, since the diagonal elements summed have, in general, different units of measure. For example, the MEG data are expressed in T or T/m whereas the unit of EEG is Volts. +.. note:: The definition of the signal to noise-ratio/ :math:`\lambda^2` relationship given above works nicely for the whitened forward solution. In the un-whitened case scaling with the trace ratio :math:`\text{trace}(GRG^T) / \text{trace}(C)` does not make sense, since the diagonal elements summed have, in general, different units of measure. For example, the MEG data are expressed in T or T/m whereas the unit of EEG is Volts. .. _CBBHEGAB: @@ -205,7 +205,7 @@ the :math:`k` th column of :math:`V`. It is thus seen that the current estimate a weighted sum of the 'modified' eigenleads :math:`v_k`. It is easy to see that :math:`w(t) \propto \sqrt{L}`. -To maintain the relation :math:`(\tilde{G} R \tilde{G}^T)/` trace :math:`(I) = 1` when :math:`L` changes +To maintain the relation :math:`(\tilde{G} R \tilde{G}^T) / \text{trace}(I) = 1` when :math:`L` changes we must have :math:`R \propto 1/L`. With this approach, :math:`\lambda_k` is independent of :math:`L` and, for fixed :math:`\lambda`, we see directly that :math:`j(t)` is independent diff --git a/doc/source/manual/utilities.rst b/doc/source/manual/utilities.rst index 831272d..a76383c 100755 --- a/doc/source/manual/utilities.rst +++ b/doc/source/manual/utilities.rst @@ -470,12 +470,12 @@ the following command-line options: Specifies the threshold between values to be considered zero and non-zero in the input file specified with the ``--inmat`` option. - The default threshold is INLINE_EQUATION. + The default threshold is :math:`10^{-6}`. **\---out <*name*>** Specifies output fif file to contain the derivation data. The recommended - name of the derivation file has the format <*name*> ``-deriv.fif`` . + name of the derivation file has the format <:math:`name`> ``-deriv.fif`` . **\---list <*name*>** @@ -492,11 +492,11 @@ All lines in the input files starting with the pound sign (#) are considered to be comments. The format of a derivation in a arithmetic input file is: - <*name*> ``=`` [ <*INLINE_EQUATION*>``*`` ] <*INLINE_EQUATION > ``+`` <*INLINE_EQUATION*>``*`` ] <*INLINE_EQUATION >INLINE_EQUATION +.. math:: \langle name \rangle = [\langle w_1 \rangle *] \langle name_1 \rangle + [\langle w_2 \rangle *] \langle name_2 \rangle \dotso -where <*name*> is the -name of the derived channel, INLINE_EQUATION are -the names of the channels comprising the derivation, and INLINE_EQUATION are +where <:math:`name`> is the +name of the derived channel, :math:`name_k` are +the names of the channels comprising the derivation, and :math:`w_k` are their weights. Note that spaces are necessary between the items. Channel names containing spaces must be put in quotes. For example, @@ -512,8 +512,7 @@ two times ``EEG 002`` . The format of a matrix derivation file is: - <*nrow*> <*ncol*> <*names of the input channels*> - <*INLINE_EQUATION*> <*weights*> INLINE_EQUATION +.. math:: \langle nrow \rangle \langle ncol \rangle \langle names\ of\ the\ input\ channels \rangle \langle name_1 \rangle \langle weights \rangle \dotso The combination of the two arithmetic examples, above can be thus represented as: @@ -562,14 +561,14 @@ onto a plane. The mapping consists of the following steps: locations and the locations are translated by the location of the origin of the best-fitting sphere. -- The spherical coordinates (INLINE_EQUATION) +- The spherical coordinates (:math:`r_k`, :math:`\theta_k`, and :math:`\phi_k`) corresponding to each translated electrode location are computed. -- The projected locations INLINE_EQUATION and INLINE_EQUATION are - computed. By default, INLINE_EQUATION, *i.e.* at - the equator (INLINE_EQUATION) the multiplier is +- The projected locations :math:`u_k = R \theta_k \cos{\phi_k}` and :math:`v_k = R \theta_k \sin{\phi_k}` are + computed. By default, :math:`R = 20/{^{\pi}/_2}`, *i.e.* at + the equator (:math:`\theta = ^{\pi}/_2`) the multiplier is 20. This projection radius can be adjusted with the ``--prad`` option. - Increasing or decreasing INLINE_EQUATION makes + Increasing or decreasing :math:`R` makes the spacing between the channel viewports larger or smaller, respectively. - A viewport with width 5 and height 4 is placed centered at @@ -593,11 +592,11 @@ The command-line options are: **\---nofit** Do not fit a sphere to the electrode locations but use a standard sphere - center (INLINE_EQUATION, and INLINE_EQUATION instead. + center (:math:`x = y = 0`, and :math:`z = 40` mm) instead. **\---prad <*value*>** - Specifies a non-standard projection radius INLINE_EQUATION, + Specifies a non-standard projection radius :math:`R`, see above. **\---width <*value*>** @@ -671,7 +670,7 @@ the following command-line options: Name of a w file, which will contain the patch area information. Two files will be created: <*name*> ``-lh.w`` and <*name*> ``-rh.w`` . - The numbers in the files are patch areas in INLINE_EQUATION. + The numbers in the files are patch areas in :math:`\text{mm}^2`. The source space vertices are marked with value 150. **\---labeldir <*directory*>** @@ -904,27 +903,27 @@ In the following, let .. math:: G_k = [g_{xk} g_{yk} g_{zk}] -denote the three consecutive columns of the gain matrix INLINE_EQUATION corresponding to -the fields of three orthogonal dipoles at source space location INLINE_EQUATION. +denote the three consecutive columns of the gain matrix :math:`G` corresponding to +the fields of three orthogonal dipoles at source space location :math:`k`. Further, lets assume that the source coordinate system has been -selected so that the INLINE_EQUATION-axis points -to the cortical normal direction and the INLINE_EQUATION plane -is thus the tangent plane of the cortex at the source space location INLINE_EQUATION. +selected so that the :math:`z` -axis points +to the cortical normal direction and the :math:`xy` plane +is thus the tangent plane of the cortex at the source space location :math:`k` Next, compute the SVD .. math:: G_k = U_k \Lambda_k V_k -and let INLINE_EQUATION, where INLINE_EQUATION and INLINE_EQUATION are +and let :math:`g_{1k} = u_{1k} \lambda_{1k}`, where :math:`\lambda_{1k}` and :math:`u_{1k}` are the largest singular value and the corresponding left singular vector -of INLINE_EQUATION, respectively. It is easy to see -that INLINE_EQUATION is has the largest power +of :math:`G_k`, respectively. It is easy to see +that :math:`g_{1k}` is has the largest power among the signal distributions produced by unit dipoles at source -space location INLINE_EQUATION. +space location :math:`k`. -Furthermore, assume that the colums orthogonal matrix INLINE_EQUATION (INLINE_EQUATION) contain +Furthermore, assume that the colums orthogonal matrix :math:`U_P` (:math:`U_P^T U_P = I`) contain the orthogonal basis of the noise subspace corresponding to the signal -space projection (SSP) operator INLINE_EQUATION specified -with one or more ``--proj`` options so that INLINE_EQUATION. +space projection (SSP) operator :math:`P` specified +with one or more ``--proj`` options so that :math:`P = I - U_P U_P^T`. For more information on SSP, see :ref:`CACCHABI`. With these definitions the map selections defined with the ``--map`` option correspond @@ -932,38 +931,38 @@ to the following **\---map 1** - Compute INLINE_EQUATION at each source space point. + Compute :math:`\sqrt{g_{1k}^T g_{1k}} = \lambda_{1k}` at each source space point. Normalize the result so that the maximum values equals one. **\---map 2** - Compute INLINE_EQUATION at each source space point. + Compute :math:`\sqrt{g_z^T g_z}` at each source space point. Normalize the result so that the maximum values equals one. This is the amplitude of the signals produced by unit dipoles normal to the cortical surface. **\---map 3** - Compute INLINE_EQUATION at each source space point. + Compute :math:`\sqrt{g_z^T g_z / g_{1k}^T g_{1k}}` at each source space point. **\---map 4** - Compute INLINE_EQUATION at each source space point. + Compute :math:`1 - \sqrt{g_z^T g_z / g_{1k}^T g_{1k}}` at each source space point. This could be called the *radiality index*. **\---map 5** - Compute the subspace correlation between INLINE_EQUATION and INLINE_EQUATION: INLINE_EQUATION. - This index equals zero, if INLINE_EQUATION is - orthogonal to INLINE_EQUATION and one if INLINE_EQUATION lies - in the subspace defined by INLINE_EQUATION. This + Compute the subspace correlation between :math:`g_z` and :math:`U_P`: :math:`\text{subcorr}^2(g_z , U_P) = (g_z^T U_P U_P^T g_z)/(g_z^T g_z)`. + This index equals zero, if :math:`g_z` is + orthogonal to :math:`U_P` and one if :math:`g_z` lies + in the subspace defined by :math:`U_P`. This map shows how close the field pattern of a dipole oriented perpendicular to the cortex at each cortical location is to the subspace removed by the SSP. **\---map 6** - Compute INLINE_EQUATION, which is the fraction + Compute :math:`\sqrt{g_z^T P g_z / g_z^T g_z}`, which is the fraction of the field pattern of a dipole oriented perpendicular to the cortex at each cortical location remaining after applying the SSP a dipole remaining @@ -1151,7 +1150,7 @@ command-line options: **\---label <*name*>** Define an ROI. Several label files can be present. By default, the sources - in the labels will have INLINE_EQUATION-shaped non-overlapping + in the labels will have :math:`\cos^2` -shaped non-overlapping timecourses, see below. **\---timecourse <*name*>** @@ -1197,9 +1196,9 @@ Noise simulation Noise is added to the signals if the ``--senscov`` and ``--nave`` options are present. If ``--nave`` is omitted the number of averages -is set to INLINE_EQUATION. The noise is computed -by first generating vectors of Gaussian random numbers INLINE_EQUATION with INLINE_EQUATION. -Thereafter, the noise-covariance matrix INLINE_EQUATIONis +is set to :math:`L = 100`. The noise is computed +by first generating vectors of Gaussian random numbers :math:`n(t)` with :math:`n_j(t) \sim N(0,1)`. +Thereafter, the noise-covariance matrix :math:`C` is used to color the noise: .. math:: n_c(t) = \frac{1}{\sqrt{L}} \Lambda U^T n(t)\ , @@ -1210,31 +1209,31 @@ covariance matrix: .. math:: C = U \Lambda^2 U^T\ . Note that it is assumed that the noise-covariance matrix -is given for raw data, *i.e.*, for INLINE_EQUATION. +is given for raw data, *i.e.*, for :math:`L = 1`. .. _CHDFIIII: Simulated data ============== -The default source waveform INLINE_EQUATION for -the INLINE_EQUATION label is nonzero at times INLINE_EQUATION, INLINE_EQUATION with: +The default source waveform :math:`q_k` for +the :math:`k^{th}` label is nonzero at times :math:`t_{kp} = (100(k - 1) + p)/f_s`, :math:`p = 0 \dotso 100` with: .. math:: q_k(t_{kp}) = Q_k \cos^2{(\frac{\pi p}{100} - \frac{\pi}{2})}\ , i.e., the source waveforms are non-overlapping 100-samples -wide INLINE_EQUATION pulses. The sampling frequency INLINE_EQUATION. -The source amplitude INLINE_EQUATION is determined -so that the strength of each of the dipoles in a label will be INLINE_EQUATION. +wide :math:`\cos^2` pulses. The sampling frequency :math:`f_s = 600` Hz. +The source amplitude :math:`Q_k` is determined +so that the strength of each of the dipoles in a label will be :math:`50 \text{nAm}/N_k`. Let us denote the sums of the magnetic fields and electric potentials produced by the dipoles normal to the cortical mantle -at label INLINE_EQUATION **by INLINE_EQUATION. The simulated +at label :math:`k` by :math:`x_k`. The simulated signals are then: .. math:: x(t_j) = \sum_{k = 1}^{N_s} {q_k(t_j) x_k + n_c(t_j)}\ , -where INLINE_EQUATION is the number of +where :math:`N_s` is the number of sources. .. _CHDCFIBH: @@ -1251,7 +1250,7 @@ waveform expression files consist of lines of the form: Each file may contain multiple lines. At the end of the evaluation, only the values in the variable ``y`` (``q`` ) are significant, see :ref:`CHDJBIEE`. They assume the role -of INLINE_EQUATION to compute the simulated signals +of :math:`q_k(t_j)` to compute the simulated signals as described in :ref:`CHDFIIII`, above. All expressions are case insensitive. The variables are vectors @@ -1276,7 +1275,7 @@ The available variables are listed in :ref:`CHDJBIEE`. The arithmetic expressions can use usual arithmetic operations as well as mathematical functions listed in :ref:`CHDJIBHA`. The arguments can be vectors or scalar numbers. In addition, standard -relational operators ( <*, >, ==, <*=, >=) and their textual +relational operators ( <, >, ==, <=, >=) and their textual equivalents (lt, gt, eq, le, ge) are available. Table :ref:`CHDDJEHH` gives some useful examples of source waveform expressions. @@ -1288,32 +1287,32 @@ expressions. Function Description ================ =============================================================================================================================================================================================================================== abs(x) absolute value - acos(x) INLINE_EQUATION - asin(x) INLINE_EQUATION - atan(x) INLINE_EQUATION - atan2(x,y) INLINE_EQUATION - ceil(x) nearest integer larger than *x* - cos(x) INLINE_EQUATION - cosw(x,a,b,c) INLINE_EQUATION-shaped window centered at INLINE_EQUATION with a rising slope of length INLINE_EQUATION and a trailing slope of length INLINE_EQUATION. - deg(x) The value of INLINE_EQUATION converted to from radians to degrees - erf(x) INLINE_EQUATION - erfc(x) INLINE_EQUATION - exp(x) INLINE_EQUATION - floor(x) Largest integer value not larger than INLINE_EQUATION - hypot(x,y) INLINE_EQUATION - ln(x) INLINE_EQUATION - log(x) INLINE_EQUATION - maxp(x,y) Takes the maximum between INLINE_EQUATION and INLINE_EQUATION - minp(x,y) Takes the minimum between INLINE_EQUATION and INLINE_EQUATION - mod(x,y) Gives the remainder of INLINE_EQUATION divided by INLINE_EQUATION + acos(x) :math:`\cos^{-1}x` + asin(x) :math:`\sin^{-1}x` + atan(x) :math:`\tan^{-1}x` + atan2(x,y) :math:`\tan^{-1}(^y/_x)` + ceil(x) nearest integer larger than :math:`x` + cos(x) :math:`\cos x` + cosw(x,a,b,c) :math:`\cos^2` -shaped window centered at :math:`b` with a rising slope of length :math:`a` and a trailing slope of length :math:`b`. + deg(x) The value of :math:`x` converted to from radians to degrees + erf(x) :math:`\frac{1}{2\pi} \int_0^x{\text{exp}(-t^2)dt}` + erfc(x) :math:`1 - \text{erf}(x)` + exp(x) :math:`e^x` + floor(x) Largest integer value not larger than :math:`x` + hypot(x,y) :math:`\sqrt{x^2 + y^2}` + ln(x) :math:`\ln x` + log(x) :math:`\log_{10} x` + maxp(x,y) Takes the maximum between :math:`x` and :math:`y` + minp(x,y) Takes the minimum between :math:`x` and :math:`y` + mod(x,y) Gives the remainder of :math:`x` divided by :math:`y` pi Ratio of the circumference of a circle and its diameter. rand Gives a vector of uniformly distributed random numbers from 0 to 1. - rnorm(x,y) Gives a vector of Gaussian random numbers distributed as INLINE_EQUATION. Note that if INLINE_EQUATION and INLINE_EQUATION are vectors, each number generated will a different mean and variance according to the arguments. - shift(x,s) Shifts the values in the input vector INLINE_EQUATION by the number of positions given by INLINE_EQUATION. Note that INLINE_EQUATION must be a scalar. - sin(x) INLINE_EQUATION - sqr(x) INLINE_EQUATION - sqrt(x) INLINE_EQUATION - tan(x) INLINE_EQUATION + rnorm(x,y) Gives a vector of Gaussian random numbers distributed as :math:`N(x,y)`. Note that if :math:`x` and :math:`y` are vectors, each number generated will a different mean and variance according to the arguments. + shift(x,s) Shifts the values in the input vector :math:`x` by the number of positions given by :math:`s`. Note that :math:`s` must be a scalar. + sin(x) :math:`\sin x` + sqr(x) :math:`x^2` + sqrt(x) :math:`\sqrt{x}` + tan(x) :math:`\tan x` ================ =============================================================================================================================================================================================================================== .. _CHDDJEHH: @@ -1325,7 +1324,7 @@ expressions. ============================================= ======================================================================================================================= q = 20e-9*sin(2*pi*10*x) A 10-Hz sine wave with 20 nAm amplitude q = 20e-9*sin(2*pi*2*x)*sin(2*pi*10*x) A 10-Hz 20-nAm sine wave, amplitude modulated sinusoidally at 2 Hz. - q = 20e-9*cosw(t,100,100,100) INLINE_EQUATION-shaped pulse, centered at INLINE_EQUATION with 100 ms leading and trailing slopes, 20 nAm amplitude. + q = 20e-9*cosw(t,100,100,100) :math:`\cos^2`-shaped pulse, centered at :math:`t` = 100 ms with 100 ms leading and trailing slopes, 20 nAm amplitude. q = 30e-9*(t > 0)*(t <* 300)*sin(2*pi*20*x) 20-Hz sine wave, 30 nAm amplitude, cropped in time to 0...300 ms. ============================================= ======================================================================================================================= -- Alioth's /usr/local/bin/git-commit-notice on /srv/git.debian.org/git/debian-med/python-mne.git _______________________________________________ debian-med-commit mailing list [email protected] http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/debian-med-commit
