1. Fplot Y Range
2. Fplot Range
3. Plot Range

Released:

The range of the histogram bins is determined by the range of the data. With one matrix input argument, y, plot a histogram where each bin contains a bar per input column. Given a second vector argument, x, use that as the centers of the bins, with the width of the bins determined from the adjacent values in the vector. Here the curve is defined implicitly by f(x, y) 0, but we do not enter the 0 part. See help for the (non-symbolic) ezplot, which this routine calls after trying to convert sym inputs to anonymous functions.

Plot functions with simple syntax

Project description

A thin wrapper for matplotlib

Fplot’s goal is to provide simple syntax for plotting functions, with sensibledefaults. Matplotlib is powerful, but has awkward syntax, odd default display settings,and requires setting up data arrays manually. Making pretty function plots requiresmultiple lines of code. Fplot aims to fix this; it’s especially suited for visualizingfunctions when learning math.

Python 3 only.

Included functions

• plot: One input, one output.
• parametric: One input, two or three outputs. If three, use a 3d graph.
• contour: Two inputs, one output.
• surface: Two inputs, one output.
• vector: Two inputs, two outputs.
• vector3d: Three inputs, three outputs.
• polar: One input (angle), one output (radius)

Bonus functions

• plot2: Smoothed API for matplotlib 2d plotting that works properly in Jupyter notebooks. ie syntax like plt.plot, which doesn’t work properly in Jupyter. Arguments: (args, marker=’b-‘, linewidth: float=2.0, grid: bool=False, color: str=None, title: str=None, equal_aspect: bool=False, style: str=None, show: bool=True)
• imshow: Like plot2, but as a replacement for plt.imshow.

Basic documentation

The only required arguments for fplot funcs are the function to plot, and themin and max ranges. Example optional keyword arguments are shown. Example outputis shown in the link above.

For most plotting functions, you can plot multiple functions at once by passinga list or tuple as the first argument.

Show a graph (1 input, 1 output)

Fplot Y Range

Show a contour plot (2 inputs, 1 output)

Show a surface plot (2 inputs, 1 output)

Show a 2d parametric plot (1 input, 2 outputs)

Show a 3d parametric plot (1 input, 3 outputs)

Show a 2d vector plot (2 inputs, 2 outputs)

Show a 3d vector plot (3 inputs, 3 outputs)

Fplot Range

Show a 2d polar plot (1 input, 1 output)

Example of an interactive plot with Ipython widgets in Jupyter notebook

• show: Defaults to True. Instantly display the plot. If False, return the axis object.
• resolution: Controls how many points to draw, based on function input. Higher resolutionallows more zooming, but may lower performance.
• color: (ie line color)
• linewidth: line width.
• y_min and y_max: (only for 2d input)
• theta_min and theta_max (only for polar plots)
• style: (ie from plt.use.style())
• grid: defaults to True
• equal_aspect: defaults to False
• title: Shown at the top of the plot
• stream: vector plot only; show a stream plot if True
• contours: surface plot only; show contour plots along each axis if True
• num_contours: contour plot only; set number of contour lines to draw. Defaults to 10.

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0.2.3

0.2.2

0.2.1

Plot Range

0.1.1

0.1

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