#15502: non complete implicit plot
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Reporter: ppurka | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.1
Component: graphics | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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From google spreadsheet which no one reads `X-(`
Plot two curves defined by two implicit equation using the function
implicit_plot does not provide a satisfactory output.
I attach the text of the worksheet to reproduce it:
{{{
sage: x,y=var('x', 'y')
sage: i=implicit_plot(-1-(x^2+y^2)/(2*x-sqrt(x^2-3*y^2)), (x,-3,0), (y,
-1.5,1.5))
sage: j=implicit_plot(-1-(x^2+y^2)/(2*x+sqrt(x^2-3*y^2)), (x,-3,0), (y,
-1.5,1.5))
sage: i+j
sage: m=implicit_plot(-1-(1/3)*(2*x-sqrt(x^2-3*y^2)), (x,-3,0), (y,
-1.5,1.5))
sage: n=implicit_plot(-1-(1/3)*(2*x+sqrt(x^2-3*y^2)), (x,-3,0), (y,
-1.5,1.5))
sage: m+n
sage: o=implicit_plot(-1-(1/3)*(2*x-sqrt(x^2-3*y^2)), (x,-3,0), (y,
-1.5,1.5))
sage: p=implicit_plot(-1-(1/3)*(2*x+sqrt(x^2-3*y^2)), (x,-3,0), (y,
-1.5,1.5))+n
sage: o+p
}}}
Plot should appear continuous, but it actually appears incomplete/broken.
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Ticket URL: <http://trac.sagemath.org/ticket/15502>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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