<entry id="2292486" stat="A" corpus="jmdict" type="jmdict">
<ent_corp type="jmdict">jmdict</ent_corp>
<ent_seq>2860175</ent_seq>
<k_ele>
<keb>非正</keb>
</k_ele>
<r_ele>
<reb>ひせい</reb>
</r_ele>
<sense>
<pos>&adj-no;</pos>
<field>&math;</field>
<gloss>non-positive (i.e. negative or zero)</gloss>
</sense>
<info>
<audit time="2024-02-11 14:07:49" stat="A" unap="true">
<upd_name>Ben Bullock</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_refs>Rudin "Principles of Mathematical Analysis" translation of 2nd edition by Motokichi Kondo and Niro Yanagihara, page 5</upd_refs>
</audit>
<audit time="2024-02-13 03:36:49" stat="A" unap="true">
<upd_uid>jwb</upd_uid>
<upd_name>Jim Breen</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_detl>I don't have access to the translation of Rudin, but this looks rather doubtful. 非正 isn't recorded anywhere as a noun or morpheme. The most common occurrences are as prefixes. Perhaps it's an abbreviation of 非正規化数 or something like that.</upd_detl>
<upd_refs>非正規	179689	  (非+正規)
非正社員	83469	  (非+正+社員)</upd_refs>
</audit>
<audit time="2024-02-13 14:13:04" stat="A" unap="true">
<upd_name>Ben Bullock</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_detl>Here is a question about it:
https://detail.chiebukuro.yahoo.co.jp/qa/question_detail/q10243815225

Here is the definition in Wikipedia:
https://ja.wikipedia.org/wiki/%E7%AC%A6%E5%8F%B7_(%E6%95%B0%E5%AD%A6)#%E7%94%A8%E8%AA%9E%E6%B3%95

Here's an example of a use in a problem set.

http://dopal.cs.uec.ac.jp/okamotoy/lect/2016/discretemath_w/exer03.pdf

According to my search, it is used heavily in the form 非正曲率 - non-positive curvature as well as in "non-positive definite".</upd_detl>
</audit>
<audit time="2024-02-15 00:52:09" stat="A" unap="true">
<upd_uid>jwb</upd_uid>
<upd_name>Jim Breen</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_detl>I think this is possibly the best way to handle it.</upd_detl>
<upd_refs>非正曲率	27	  (非_正_曲率)</upd_refs>
<upd_diff>@@ -11 +11,2 @@
-&lt;pos&gt;&amp;n;&lt;/pos&gt;
+&lt;pos&gt;&amp;n-pref;&lt;/pos&gt;
+&lt;xref type="see" seq="1376590"&gt;正・せい・4&lt;/xref&gt;
@@ -13 +14 @@
-&lt;gloss&gt;non-positive (negative or zero) number&lt;/gloss&gt;
+&lt;gloss&gt;non-positive (negative or zero)&lt;/gloss&gt;</upd_diff>
</audit>
<audit time="2024-02-18 04:06:11" stat="A">
<upd_uid>jwb</upd_uid>
<upd_name>Jim Breen</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_detl>I'll pin this down to shorten the queue and reopen it for a while.</upd_detl>
</audit>
<audit time="2024-02-18 04:06:25" stat="A" unap="true">
<upd_uid>jwb</upd_uid>
<upd_name>Jim Breen</upd_name>
<upd_email>...address hidden...</upd_email>
</audit>
<audit time="2024-02-21 20:03:25" stat="A">
<upd_uid>jwb</upd_uid>
<upd_name>Jim Breen</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_detl>Quiet.</upd_detl>
</audit>
<audit time="2024-02-24 01:25:09" stat="A" unap="true">
<upd_uid>robin1354</upd_uid>
<upd_name>Robin Scott</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_detl>非負 is adj-no.
I don't think the x-ref is needed.</upd_detl>
<upd_diff>@@ -11,2 +11 @@
-&lt;pos&gt;&amp;n-pref;&lt;/pos&gt;
-&lt;xref type="see" seq="1376590"&gt;正・せい・4&lt;/xref&gt;
+&lt;pos&gt;&amp;adj-no;&lt;/pos&gt;
@@ -14 +13 @@
-&lt;gloss&gt;non-positive (negative or zero)&lt;/gloss&gt;
+&lt;gloss&gt;non-positive (i.e. negative or zero)&lt;/gloss&gt;</upd_diff>
</audit>
<audit time="2024-02-24 06:21:23" stat="A">
<upd_uid>jwb</upd_uid>
<upd_name>Jim Breen</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_detl>I felt it helped the context.</upd_detl>
</audit>
</info>
</entry>