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- """
- This is a procedural interface to the matplotlib object-oriented
- plotting library.
-
- The following plotting commands are provided; the majority have
- MATLAB |reg| [*]_ analogs and similar arguments.
-
- .. |reg| unicode:: 0xAE
-
- _Plotting commands
- acorr - plot the autocorrelation function
- annotate - annotate something in the figure
- arrow - add an arrow to the axes
- axes - Create a new axes
- axhline - draw a horizontal line across axes
- axvline - draw a vertical line across axes
- axhspan - draw a horizontal bar across axes
- axvspan - draw a vertical bar across axes
- axis - Set or return the current axis limits
- autoscale - turn axis autoscaling on or off, and apply it
- bar - make a bar chart
- barh - a horizontal bar chart
- broken_barh - a set of horizontal bars with gaps
- box - set the axes frame on/off state
- boxplot - make a box and whisker plot
- violinplot - make a violin plot
- cla - clear current axes
- clabel - label a contour plot
- clf - clear a figure window
- clim - adjust the color limits of the current image
- close - close a figure window
- colorbar - add a colorbar to the current figure
- cohere - make a plot of coherence
- contour - make a contour plot
- contourf - make a filled contour plot
- csd - make a plot of cross spectral density
- delaxes - delete an axes from the current figure
- draw - Force a redraw of the current figure
- errorbar - make an errorbar graph
- figlegend - make legend on the figure rather than the axes
- figimage - make a figure image
- figtext - add text in figure coords
- figure - create or change active figure
- fill - make filled polygons
- findobj - recursively find all objects matching some criteria
- gca - return the current axes
- gcf - return the current figure
- gci - get the current image, or None
- getp - get a graphics property
- grid - set whether gridding is on
- hist - make a histogram
- ioff - turn interaction mode off
- ion - turn interaction mode on
- isinteractive - return True if interaction mode is on
- imread - load image file into array
- imsave - save array as an image file
- imshow - plot image data
- legend - make an axes legend
- locator_params - adjust parameters used in locating axis ticks
- loglog - a log log plot
- matshow - display a matrix in a new figure preserving aspect
- margins - set margins used in autoscaling
- pause - pause for a specified interval
- pcolor - make a pseudocolor plot
- pcolormesh - make a pseudocolor plot using a quadrilateral mesh
- pie - make a pie chart
- plot - make a line plot
- plot_date - plot dates
- plotfile - plot column data from an ASCII tab/space/comma delimited file
- pie - pie charts
- polar - make a polar plot on a PolarAxes
- psd - make a plot of power spectral density
- quiver - make a direction field (arrows) plot
- rc - control the default params
- rgrids - customize the radial grids and labels for polar
- savefig - save the current figure
- scatter - make a scatter plot
- setp - set a graphics property
- semilogx - log x axis
- semilogy - log y axis
- show - show the figures
- specgram - a spectrogram plot
- spy - plot sparsity pattern using markers or image
- stem - make a stem plot
- subplot - make one subplot (numrows, numcols, axesnum)
- subplots - make a figure with a set of (numrows, numcols) subplots
- subplots_adjust - change the params controlling the subplot positions of current figure
- subplot_tool - launch the subplot configuration tool
- suptitle - add a figure title
- table - add a table to the plot
- text - add some text at location x,y to the current axes
- thetagrids - customize the radial theta grids and labels for polar
- tick_params - control the appearance of ticks and tick labels
- ticklabel_format - control the format of tick labels
- title - add a title to the current axes
- tricontour - make a contour plot on a triangular grid
- tricontourf - make a filled contour plot on a triangular grid
- tripcolor - make a pseudocolor plot on a triangular grid
- triplot - plot a triangular grid
- xcorr - plot the autocorrelation function of x and y
- xlim - set/get the xlimits
- ylim - set/get the ylimits
- xticks - set/get the xticks
- yticks - set/get the yticks
- xlabel - add an xlabel to the current axes
- ylabel - add a ylabel to the current axes
-
- autumn - set the default colormap to autumn
- bone - set the default colormap to bone
- cool - set the default colormap to cool
- copper - set the default colormap to copper
- flag - set the default colormap to flag
- gray - set the default colormap to gray
- hot - set the default colormap to hot
- hsv - set the default colormap to hsv
- jet - set the default colormap to jet
- pink - set the default colormap to pink
- prism - set the default colormap to prism
- spring - set the default colormap to spring
- summer - set the default colormap to summer
- winter - set the default colormap to winter
-
- _Event handling
-
- connect - register an event handler
- disconnect - remove a connected event handler
-
- _Matrix commands
-
- cumprod - the cumulative product along a dimension
- cumsum - the cumulative sum along a dimension
- detrend - remove the mean or besdt fit line from an array
- diag - the k-th diagonal of matrix
- diff - the n-th difference of an array
- eig - the eigenvalues and eigen vectors of v
- eye - a matrix where the k-th diagonal is ones, else zero
- find - return the indices where a condition is nonzero
- fliplr - flip the rows of a matrix up/down
- flipud - flip the columns of a matrix left/right
- linspace - a linear spaced vector of N values from min to max inclusive
- logspace - a log spaced vector of N values from min to max inclusive
- meshgrid - repeat x and y to make regular matrices
- ones - an array of ones
- rand - an array from the uniform distribution [0,1]
- randn - an array from the normal distribution
- rot90 - rotate matrix k*90 degress counterclockwise
- squeeze - squeeze an array removing any dimensions of length 1
- tri - a triangular matrix
- tril - a lower triangular matrix
- triu - an upper triangular matrix
- vander - the Vandermonde matrix of vector x
- svd - singular value decomposition
- zeros - a matrix of zeros
-
- _Probability
-
- normpdf - The Gaussian probability density function
- rand - random numbers from the uniform distribution
- randn - random numbers from the normal distribution
-
- _Statistics
-
- amax - the maximum along dimension m
- amin - the minimum along dimension m
- corrcoef - correlation coefficient
- cov - covariance matrix
- mean - the mean along dimension m
- median - the median along dimension m
- norm - the norm of vector x
- prod - the product along dimension m
- ptp - the max-min along dimension m
- std - the standard deviation along dimension m
- asum - the sum along dimension m
- ksdensity - the kernel density estimate
-
- _Time series analysis
-
- bartlett - M-point Bartlett window
- blackman - M-point Blackman window
- cohere - the coherence using average periodiogram
- csd - the cross spectral density using average periodiogram
- fft - the fast Fourier transform of vector x
- hamming - M-point Hamming window
- hanning - M-point Hanning window
- hist - compute the histogram of x
- kaiser - M length Kaiser window
- psd - the power spectral density using average periodiogram
- sinc - the sinc function of array x
-
- _Dates
-
- date2num - convert python datetimes to numeric representation
- drange - create an array of numbers for date plots
- num2date - convert numeric type (float days since 0001) to datetime
-
- _Other
-
- angle - the angle of a complex array
- griddata - interpolate irregularly distributed data to a regular grid
- load - Deprecated--please use loadtxt.
- loadtxt - load ASCII data into array.
- polyfit - fit x, y to an n-th order polynomial
- polyval - evaluate an n-th order polynomial
- roots - the roots of the polynomial coefficients in p
- save - Deprecated--please use savetxt.
- savetxt - save an array to an ASCII file.
- trapz - trapezoidal integration
-
- __end
-
- .. [*] MATLAB is a registered trademark of The MathWorks, Inc.
-
-
- """
-
- from matplotlib.cbook import flatten, silent_list, iterable, dedent
-
- import matplotlib as mpl
-
- from matplotlib.dates import (
- date2num, num2date, datestr2num, strpdate2num, drange, epoch2num,
- num2epoch, mx2num, DateFormatter, IndexDateFormatter, DateLocator,
- RRuleLocator, YearLocator, MonthLocator, WeekdayLocator, DayLocator,
- HourLocator, MinuteLocator, SecondLocator, rrule, MO, TU, WE, TH, FR,
- SA, SU, YEARLY, MONTHLY, WEEKLY, DAILY, HOURLY, MINUTELY, SECONDLY,
- relativedelta)
-
- # bring all the symbols in so folks can import them from
- # pylab in one fell swoop
-
- ## We are still importing too many things from mlab; more cleanup is needed.
-
- from matplotlib.mlab import (
- amap, base_repr, binary_repr, bivariate_normal, center_matrix, csv2rec,
- demean, detrend, detrend_linear, detrend_mean, detrend_none, dist,
- dist_point_to_segment, distances_along_curve, entropy, exp_safe,
- fftsurr, find, frange, get_sparse_matrix, get_xyz_where, griddata,
- identity, inside_poly, is_closed_polygon, ispower2, isvector, l1norm,
- l2norm, log2, longest_contiguous_ones, longest_ones, movavg, norm_flat,
- normpdf, path_length, poly_below, poly_between, prctile, prctile_rank,
- rec2csv, rec_append_fields, rec_drop_fields, rec_join, rk4, rms_flat,
- segments_intersect, slopes, stineman_interp, vector_lengths,
- window_hanning, window_none)
-
- from matplotlib import cbook, mlab, pyplot as plt
- from matplotlib.pyplot import *
-
- from numpy import *
- from numpy.fft import *
- from numpy.random import *
- from numpy.linalg import *
-
- import numpy as np
- import numpy.ma as ma
-
- # don't let numpy's datetime hide stdlib
- import datetime
-
- # This is needed, or bytes will be numpy.random.bytes from
- # "from numpy.random import *" above
- bytes = __import__("builtins").bytes
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