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  1. MPB Data Analysis Tutorial (19,359 bytes)
    49: ...ode>). <code>man mpb-data</code> or run <code>mpb-data -h</code> for more options. In this case, we'll r...
    51: unix% mpb-data -r -m 3 -n 32 epsilon.h5
    53: ...<code>mpb-data</code> is by default an additional dataset within the input file, as we can see by runnin...
    56: data Dataset {32, 32}
    57: data-new Dataset {96, 83}

Page text matches

  1. Main Page (3,257 bytes)
    23: ...5utils]] &mdash; visualization of [[w:HDF5|HDF5]] data files
  2. Harminv (7,079 bytes)
    5: ...re robust than directly least-squares fitting the data''' (which can have problematic convergence), sinc...
    11: ...s been applied to analyze, e.g., NMR experimental data. It is especially appropriate for analyzing numer...
    41: ...ably by FDM, whereas a straightforward fit of the data or its spectrum is problematic in such cases.)
    49: ...htam, "FDM: the filter diagonalization method for data processing in NMR experiments," ''Progress in Nuc...
    53: ...onalization method for spectral analysis of noisy data with nonlocalized features," ''J. Chem. Phys.'' '...
  3. Meep (5,615 bytes)
    13: ...output in the [[w:HDF5|HDF5]] standard scientific data format, supported by many visualization tools.
  4. H5utils (8,151 bytes)
    5: ...]] for visualization and conversion of scientific data in the free, portable [http://www.hdfgroup.org/HD...
    7: ...s, h5utils also includes programs to convert HDF5 datasets into the formats required by other free visua...
    44: ...otxt''' and '''h5fromtxt'''<nowiki>: convert HDF5 datasets to/from ASCII text (</nowiki>''e.g.'' comma- ...
    45: ... '''h5topng'''<nowiki>: convert 2d slices of HDF5 datasets to </nowiki>[http://www.libpng.org/pub/png/ P...
    46: * '''h5tov5d'''<nowiki>: convert HDF5 datasets to the format used by the free 3d+ visualizat...
  5. MPB manual (3,019 bytes)
    13: * [[MPB Data Analysis Tutorial]]: Here, we walk through how yo...
  6. MPB Introduction (14,329 bytes)
    34: ...xwell's equations--the eigensolver knew about the data structures for the fields, etcetera, making it di...
  7. MPB Installation (12,031 bytes)
    32: ...rial version of MPB, if only to get the <code>mpb-data</code> utility, which is not installed with the M...
    38: ...the electromagnetic fields and similar volumetric data, and for this we use HDF. (If you don't have HDF5...
    90: ...Does ''not'' compile the serial MPB, or <code>mpb-data</code><nowiki>; if you want those, you should </n...
  8. MPB User Tutorial (35,772 bytes)
    2: ...tonic-Bands. See also the [analysis-tutorial.html data analysis tutorial] in the next section for more e...
    51: ...umentation, objects (more complicated, structured data types), are created by statements of the form <co...
    75: ...code>), and using this prefix you can extract the data you want from the output by passing it through a ...
    79: explaining each column of data. Another output of the <code>run</code> is the li...
    84: ...important to realize, however, that this band-gap data may include "false positives," from two possible ...
  9. MPB Data Analysis Tutorial (19,359 bytes)
    49: ...ode>). <code>man mpb-data</code> or run <code>mpb-data -h</code> for more options. In this case, we'll r...
    51: unix% mpb-data -r -m 3 -n 32 epsilon.h5
    53: ...<code>mpb-data</code> is by default an additional dataset within the input file, as we can see by runnin...
    56: data Dataset {32, 32}
    57: data-new Dataset {96, 83}
  10. MPB User Reference (74,624 bytes)
    6: ...>, are described in a later subsection. The basic datatypes, like <code>integer</code>, <code>boolean</c...
    33: ...try</code> objects). The grid of the epsilon file dataset need not match <code>grid-size</code><nowiki>;...
    71: ; <code>band-range-data</code> [list of <code>((''min . kpoint'') . (''ma...
    76: Classes are complex datatypes with various "properties" which may have def...
    357: ...d. (The gap is computed from the <code>band-range-data</code> of the previous run.)
  11. MPB Developer Information (13,524 bytes)
    45: ...rs and so on). These are parsed into an efficient data structure and are used to to provide the epsilon ...
    53: ...ix</code>, etcetera) to create and manipulate the data structures, where possible.
    71: ...ns in two dimensions by calling <code>set_maxwell_data_polarization</code>.
    81: The specifications file defines the data structures and subroutines that are visible to th...
  12. Libctl Basic User Experience (7,615 bytes)
    21: (set-param! output-file-name "data.hdf") ; a string
    45: == Structured data types ==
    47: ...eful to structure the input into more complicated data types than simple numbers, vectors, and lists. Fo...
    49: libctl allows programs to specify structured datatypes, called '''classes''', that have various pro...
  13. Libctl Developer Experience (16,625 bytes)
    2: ...will be. A full programming language? Complicated data structures? Information passing back and forth? S...
    4: ...an abstract specifications file the variables and data types that your program expects to exchange with ...
    129: ...te the C routine as you would normally, using the data types defined in ctl.h and ctl-io.h (see below) f...
    137: ...ign/allocate data to the output variables to send data back to Guile. If <code>''write-outputs?''</code>...
    141: ...simulation given the input variables, and returns data to the ctl script through the output variables. S...
  14. Harminv release notes (2,934 bytes)
    52: * Corrected inadvertent windowing of data that degraded accuracy in the case of very short ...
  15. H5utils release notes (8,236 bytes)
    54: ...h</code> utility, which creates and combines HDF5 datasets using a user-specified mathematical expressio...
    56: ...y dataset does not have same dimensions as output data, it is periodically "tiled" over the output. </no...
    65: ...opng</code>. <code>h5totxt</code> dumps the whole data file by default unless one or more slices are spe...
    66: ...ying multiple slice dimensions for 4+ dimensional datasets, with new "-t" option to indicate final dimen...
    88: ...shifts the origin of the slice coordinates to the dataset center.
  16. MPB release notes (22,344 bytes)
    22: * Added <code>mpb-data -P <angle></code> option to change the phase angl...
    81: * The data-analysis tutorial is now consistent with h5topng ...
    105: * <code>epsilon.h5</code> file now includes extra datasets for all components of the effective dielectri...
    141: ...ize multiple unit cells, you should use <code>mpb-data</code>.
    149: ...xed a floating-point sensitivity bug in <code>mpb-data</code> that could cause a crash on the Alpha; tha...
  17. The MPB Manual (426 bytes)
    13: = Data Analysis Tutorial =
    14: {{:MPB Data Analysis Tutorial}}
  18. Meep Installation (13,544 bytes)
    85: Meep outputs its fields and other volumetric data in the HDF5 format, so you must install the HDF5 ...
  19. Meep C-plus-plus Tutorial (11,954 bytes)
    134: ...umber of mode frequencies obtained from the input data <code>p</code>. The particular call to <code>harm...
  20. Meep Tutorial (50,023 bytes)
    130: ez Dataset {161, 161, 330/Inf}
    132: That is, the file contains a single dataset <code>ez</code> that is a 162&times;162&times;...
    156: Above, we outputted the full 2d data slice at every 0.6 time units, resulting in a 69M...
    178: ...ut file <code>ez-slice.h5</code> which contains a dataset of size 162&times;330 corresponding to the des...
    295: This is comma-delimited data, which can easily be imported into any spreadshee...
  21. Meep Reference (109,261 bytes)
    11: ...>, are described in a later subsection. The basic datatypes, like <code>integer</code>, <code>boolean</c...
    26: ...try</code> objects). The grid of the epsilon file dataset need not match Meep's computational grid; it i...
    97: Classes are complex datatypes with various "properties" which may have def...
    605: ...</code>, and is also stored in the <code>dft-ldos-data</code> global variable (after the <code>run</code...
    631: ...ier-transformed E and H fields on this grid. Each dataset is an nx&times;ny&times;nz&times;nfreq 4-dimen...
  22. Exploiting symmetry in Meep (8,171 bytes)
    3: ...ssary according to the symmetries to get whatever data is needed.
  23. Meep C-plus-plus Reference (6,915 bytes)
    5: === Data structures and chunks ===
    7: Meep employs several data structures (declared in meep.hpp) that have assoc...
    26: ...s, even on one processor, in order that the extra data for
    56: ...r initializing the meep application, cleanup, and data exchange accounting for the presence or absence o...
    60: ...e polarizability, polarization, src_vol, and bandsdata. Also defines macros for frequently-used loop con...
  24. Meep Tutorial/Third harmonic generation (8,694 bytes)
    61: ...bvious normalization so we will just plot the raw data for several values of <code>k</code> (i.e. of <ma...
    65: ...ice also that at around <math>10^{-13}</math> the data looks weird; this is probably due to our finite s...
  25. Color tables in h5topng (10,164 bytes)
    3: ...ilt-in color tables that you can use for plotting data. These color tables are listed below, in some ca...
    5: ...ode> or <code>hot</code> for unsigned/nonnegative data.)
    22: | blue-white-red colorbar, useful for signed data in conjunction with <code>-Z</code> option to mak...
    26: | dark blue-white-red colorbar, useful for signed data in conjunction with <code>-Z</code> option to mak...
    30: ...ite color map, useful for nonnegative "intensity" data &mdash; based on [http://www.mathworks.com/access...
  26. NLopt Algorithms (41,811 bytes)
    291: ...on interface but explicitly saving the state in a data structure). The reverse-communication interface ...
  27. NLopt Deprecated API Reference (36,633 bytes)
    33: ... nlopt_func f, void* f_data,
    35: ... nlopt_func fc, void* fc_data, ptrdiff_t fc_datum_size,
    52: * <code>f_data</code> &mdash; a pointer to any data you want to pass to the the objective function (s...
    55: ... <code>fc_data</code> is a pointer to an array of data to pass to the constraint function <code>fc</code...
    92: ... nlopt_func f, void* f_data,
  28. NLopt Tutorial (30,157 bytes)
    29: ...d n, const double *x, double *grad, void *my_func_data)
    38: ...al data to <code>myfunc</code>, but no additional data is needed here so that parameter is unused.
    40: ...two numbers ''a'' and ''b'', so we will declare a data structure to hold this information:
    44: } my_constraint_data;
    48: ...(unsigned n, const double *x, double *grad, void *data)
  29. Cubature (Multi-dimensional integration) (19,124 bytes)
    44: int hcubature(unsigned fdim, integrand f, void *fdata,
    73: int f(unsigned ndim, const double *x, void *fdata,
    78: ...</code> = <code>NULL</code> and ignore the <code>FDATA</code> argument to <code>F</code>.
    84: ... hcubature_v(unsigned fdim, integrand_v f, void *fdata,
    91: ...gned ndim, unsigned npts, const double *x, void *fdata,
  30. NLopt Reference (29,913 bytes)
    61: ...in_objective(nlopt_opt opt, nlopt_func f, void* f_data);
    62: ...ax_objective(nlopt_opt opt, nlopt_func f, void* f_data);
    66: ...nsigned n, const double* x, double* grad, void* f_data);
    72: ... is, it may be a pointer to some caller-defined data structure/type containing information your functi...
    109: ...constraint(nlopt_opt opt, nlopt_func fc, void* fc_data, double tol);
  31. NLopt C-plus-plus Reference (19,774 bytes)
    58: ...t::opt::set_min_objective(nlopt::vfunc f, void* f_data);
    59: ...t::opt::set_max_objective(nlopt::vfunc f, void* f_data);
    63: ...or<double> &x, std::vector<double> &grad, void* f_data);
    69: ...ly used for wrapping other languages; see [[NLopt data munging functions]].)
    73: ...pt::opt::set_min_objective(nlopt::func f, void* f_data);
  32. NLopt Python Reference (17,987 bytes)
    14: ... numpy ([[w:NumPy|NumPy]]) that defines the array data types used for communicating with NLopt.
  33. NLopt Fortran Reference (19,582 bytes)
    62: call nlo_set_min_objective(ires, opt, f, f_data)
    63: call nlo_set_max_objective(ires, opt, f, f_data)
    69: ...subroutine f(result, n, x, grad, need_gradient, f_data)
    82: ...that you must call nlo_optimize while the <code>f_data</code> variable is still valid (e.g. it cannot be...
    110: ...l nlo_add_inequality_constraint(ires, opt, fc, fc_data, tol)
  34. Meep Tutorial/Optical forces (10,118 bytes)
    95: ...s [http://ab-initio.mit.edu/~oskooi/wiki_data/MPB_data_plot.ipynb iPython notebook].
  35. Meep Tutorial/Near-to-far-field spectra (11,189 bytes)
    31: ...alitatively but not quantitatively identical. The data will be written out to an HDF5 file (having a fil...
    84: ...ebook] and [http://ab-initio.mit.edu/~oskooi/wiki_data/source_Jy_farfields.dat output file].
  36. Meep Tutorial/Multilevel-atomic susceptibility (7,007 bytes)
    43: ...using this [http://ab-initio.mit.edu/~oskooi/wiki_data/fourier_transform_cavity_field.ipynb iPython note...
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