#20026: Reverse the scale of colors in Matrix.plot
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Reporter: | Owner:
ncohen | Status: needs_info
Type: | Milestone: sage-7.1
enhancement | Resolution:
Priority: major | Merged in:
Component: | Reviewers: Jori Mäntysalo
linear algebra | Work issues:
Keywords: | Commit:
Authors: | 791fe5552026c199a7ce575bc594a8e705972549
Nathann Cohen | Stopgaps:
Report Upstream: N/A |
Branch: |
public/20026 |
Dependencies: |
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Comment (by ncohen):
Do you have any question that would force us to keep this in `needs_info`?
Do you want to start a sage-devel thread?
Alternatively, and to prove some intellectual honesty:
Can you show the two pictures to any colleague of yours, and ask them
which one they feel is the most natural to represent the identity matrix?
{{{
sage: matrix.identity(15).plot(cmap='gray')
sage: matrix.identity(15).plot(cmap='Greys')
}}}
I did it with two colleagues of mine, both of which gave the same answer.
I was very careful to not give them any hint of what I was thinking. The
second even said that "it's even better to have a lot of white for sparse
matrices, as having mostly black uses more ink when printed".
None of then had any hesitation.
Nathann
--
Ticket URL: <http://trac.sagemath.org/ticket/20026#comment:9>
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