MATLAB: Error using double Conversion to double from cell is not possible.

cell arraycharactermatabmatrix

Hi, Im facing this problem can some one help? I want to store multiple elements of matrix 'Rulebase' to 'a'
Rulebase = {            'OutNB' 'OutNB' 'OutNB' 'OutNM' 'OutNS' 'OutNS' 'OutZ';
                        'OutNB' 'OutNM' 'OutNM' 'OutNM' 'OutNS' 'OutZ '  'OutPS';
                        'OutNB' 'OutNM' 'OutNS' 'OutNS' 'OutZ'  'OutPS'  'OutPM';
                        'OutNB' 'OutNM' 'OutNS' 'OutZ ' 'OutPS' 'OutPM'  'OutPB';
                        'OutNM' 'OutNS' 'OutZ'  'OutPS' 'OutPS' 'OutPM'  'OutPB';
                        'OutNS' 'OutZ'  'OutPS' 'OutPM' 'OutPM' 'OutPM'  'OutPB';
                        'OutZ'  'OutPS' 'OutPS' 'OutPM' 'OutPB' 'OutPB'  'OutPB'};
     a=zeros(1,7);
     a(1,1)=Rulebase(2,3);
     a(1,2)=Rulebase(2,4);
     .
     .
     .
     ..
Output = a;
Where Output should be like.. OutNB OutNS OutZ….. and want to access 'Output' later for other purpose (Character Comparison).Please Help

Best Answer

a=zeros(1,7);
declares an array of type 'double'. You are trying to put strings in it.
Use
a = cell(1,7);
a{1} =Rulebase(2,3);
...
if you want to store elements of your Rulebase array..
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