what wrong I am doing in the code?

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Manav Divekar 2021-11-18

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https://ww2.mathworks.cn/matlabcentral/answers/1589479-what-wrong-i-am-doing-in-the-code

编辑： Manav Divekar 2021-11-18

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i have to filter out female above age 30 and less than 40 fron the give data base

'name', {'mary','john','anna','paul','elaina'},

'gender',{'f', 'm', 'f', 'm', 'f'},

'age' ,{25, 35, 30, 22, 38}

Using structure method

function [patient] = filterpatients_struct(data)
t=array2table(data(2:end,:),'gender',data(1,:));
t.name=string(t.name);
t.gender=categorical(t.gender);
t.age=cell2mat(t.age);
t.name(t.gender=="f");
patient = t.name(t.gender=="f");

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回答（1 个）

KSSV 2021-11-18

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https://ww2.mathworks.cn/matlabcentral/answers/1589479-what-wrong-i-am-doing-in-the-code#answer_834314

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% Make required structure 
S = struct ; 
S.name =  {'mary','john','anna','paul','elaina'}  ;
S.gender = {'f',   'm',   'f',   'm',   'f'} ; 
S.age  = [25,    35,    30,    22,    38]  ; 
idx = strcmp(S.gender,'f') ;   % Indices of females 
iwant = S.age(S.age(idx) >=30 & S.age(idx) <= 40 )   % age criteria 