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2:09 PM
@WeiZhong
i made this search query
but it didn't find any result
however i found the result by using google using the same query:
1
Q: Help to understand a comment in Hoffman and Kunze's linear algebra book

user42912I'm reading Hoffman and Kunze's Linear Algebra and on page 52, the authors said: Let $P$ be the $n \times n$ matrix whose $i,j$ entry is the scalar $P_{ij}$, and let $X$ and $X'$ be the coordinate matrices of the vector $\alpha$ in the ordered bases $\mathscr{B}$ and $\mathscr{B}'$. Then we m...

can u invesitgate this?
 
 
3 hours later…
4:59 PM
@user153330 Thank you for reporting this issue. You can try finding the post by this query instead.
Actually, you original query is malformed, you should separate math keywords and text keywords by commas.
In addition, you also did not enclose all math keywords by a pair of dollar signs.
I could have a more robust query parser to handle this case, because I have observed many users making the similar queries that are not recognized by Approach0. However, I will leave this in my TODO list for now. Do keep in mind that you need to input keywords separated by comma in the current version.
 

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