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