Bug(?) in matrix panel?

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Bug(?) in matrix panel?

 I am finding that when I try to compile source code involving matrices, the opening “\left[“ (for a matrix) or “\left|” (for a determinant) is read by the compiler as “\let” and returns an error message.  This happens more oftern when I have typed the phrase myself, and sometimes it is corrected by going to matrix panel and re-inserting the matrix, but sometimes also the phrase when inserted by matrix panel returns the same error.  I’m finding it unpredictable when it will happen, but when it does I am in trouble. Is this a known error, or is it something about my computer? Z ----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx                https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex
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Re: Bug(?) in matrix panel?

 > On May 2, 2020, at 6:00 PM, Nitecki, Zbigniew H. <[hidden email]> wrote: > > I am finding that when I try to compile source code involving matrices, the opening “\left[“ (for a matrix) or “\left|” (for a determinant) is read by the compiler as “\let” and returns an error message.  This happens more oftern when I have typed the phrase myself, and sometimes it is corrected by going to matrix panel and re-inserting the matrix, but sometimes also the phrase when inserted by matrix panel returns the same error.  I’m finding it unpredictable > when it will happen, but when it does I am in trouble. > > > Is this a known error, or is it something about my computer? > > Z Howdy, What Editor/Front End are you using? Can you give us a sample file that shows this behavior? Good Luck, Herb Schulz (herbs at wideopenwest dot com) ----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx                https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex
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Re: Bug(?) in matrix panel?

 I’m using the Editor/Front End that comes with TeXShop.  I kind of suspect my question may have been a red herring—I noticed at one stage (after writing my email) as I was meticulously rewriting every matrix expression, that it is possible that one of them had \right[ instead of \right]—it’s hard to tell with my eyesight.  But that could be what happened.  I’ll return with the question (and better details) if I encounter this again. Thanks for  responding. Z > On May 2, 2020, at 19:51, Herbert Schulz <[hidden email]> wrote: > > > >> On May 2, 2020, at 6:00 PM, Nitecki, Zbigniew H. <[hidden email]> wrote: >> >> I am finding that when I try to compile source code involving matrices, the opening “\left[“ (for a matrix) or “\left|” (for a determinant) is read by the compiler as “\let” and returns an error message.  This happens more oftern when I have typed the phrase myself, and sometimes it is corrected by going to matrix panel and re-inserting the matrix, but sometimes also the phrase when inserted by matrix panel returns the same error.  I’m finding it unpredictable >> when it will happen, but when it does I am in trouble. >> >> >> Is this a known error, or is it something about my computer? >> >> Z > > Howdy, > > What Editor/Front End are you using? Can you give us a sample file that shows this behavior? > > Good Luck, > > Herb Schulz > (herbs at wideopenwest dot com) > > ----------- Please Consult the Following Before Posting ----------- > TeX FAQ: http://www.tex.ac.uk/faq> List Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/> List Archives: http://dir.gmane.org/gmane.comp.tex.macosx>                https://email.esm.psu.edu/pipermail/macosx-tex/> TeX on Mac OS X Website: http://mactex-wiki.tug.org/> List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx                https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex
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Re: Bug(?) in matrix panel?

 > On May 2, 2020, at 6:58 PM, Nitecki, Zbigniew H. <[hidden email]> wrote: > > I’m using the Editor/Front End that comes with TeXShop.  I kind of suspect my question may have been a red herring—I noticed at one stage (after writing my email) as I was meticulously rewriting every matrix expression, that it is possible that one of them had \right[ instead of \right]—it’s hard to tell > with my eyesight.  But that could be what happened.  I’ll return with the question (and better details) if I encounter this again. > Thanks for  responding. > > Z Howdy, \right[ is a perfectly legitimate command and argument but two \right's in a row with no intermediate \left is a problem. Good Luck, Herb Schulz (herbs at wideopenwest dot com) ----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx                https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex