Opened 2 months ago

Last modified 6 weeks ago

#32897 new defect

problem with parametric_plot3d

Reported by: gh-ortollj Owned by:
Priority: minor Milestone: sage-9.6
Component: graphics Keywords:
Cc: slelievre Merged in:
Authors: Reviewers:
Report Upstream: N/A Work issues:
Branch: Commit:
Dependencies: Stopgaps:

Status badges

Description (last modified by slelievre)

The code below:

sage: h(t) = sqrt(abs(-4*cos(t)^2 - 8*I*cos(t)*sin(t) + 4*sin(t)^2 + 1))
sage: p = parametric_plot3d((cos(t), sin(t), h(t)), (t, 0, 4*pi))

gives:

TypeError: unable to coerce to a real number

Initial report:

Change History (2)

comment:1 Changed 2 months ago by slelievre

  • Cc slelievre added
  • Component changed from performance to graphics
  • Description modified (diff)
  • Type changed from PLEASE CHANGE to defect

comment:2 Changed 6 weeks ago by mkoeppe

  • Milestone changed from sage-9.5 to sage-9.6
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