Why does OCTAVE produce this symbol when using strcat

Question

aweller3 2018-8-4

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https://ww2.mathworks.cn/matlabcentral/answers/413583-why-does-octave-produce-this-symbol-when-using-strcat

评论： aweller3 2018-8-5

采纳的回答： Walter Roberson

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I apologize if I'm not supposed to ask a question about OCTAVE but I couldn't find a forum specific to OCTAVE

I'm trying to concatenate the contents of two cell arrays using strcat and I get the following display (see attached image):

Here is my code which produces a weird symbol at the start of each for of array "b"

>> LET =["C,C#,D,D#,E,F,F#,G,G#,A,A#,B"]
>> LETsplit = ostrsplit(LET, ",")
>> LETtrans=LETsplit';
>> LETtrans=LETsplit';
>> C=cell(12,12);
>> C(1:12,1)=LETsplit{1,1};
>> C(1:12,2)=LETsplit{1,2};
>> C(1:12,3)=LETsplit{1,3};
>> C(1:12,4)=LETsplit{1,4};
>> C(1:12,5)=LETsplit{1,5};
>> C(1:12,6)=LETsplit{1,6};
>> C(1:12,7)=LETsplit{1,7};
>> C(1:12,8)=LETsplit{1,8};
>> C(1:12,9)=LETsplit{1,9};
>> C(1:12,10)=LETsplit{1,10};
>> C(1:12,11)=LETsplit{1,11};
>> C(1:12,12)=LETsplit{1,12};
>>  b=strcat(2,C(1:12,2),LETtrans);