结构数组求总分、平均分

Question

这是题目要求，已有结构数组如下图

如何才能实现结构数组相加呢？

Answer 1

这个好做：
for循环

clear;
S(1) = struct('name', 'yi', 'age','18', 'yuwen',80,'shuxue',90,'waiyu',60,'wuli',90,'huaxue',100);
S(2) = struct('name', 'er', 'age','18', 'yuwen',80,'shuxue',90,'waiyu',60,'wuli',90,'huaxue',100);
S(3) = struct('name', 'san', 'age','18', 'yuwen',80,'shuxue',90,'waiyu',60,'wuli',90,'huaxue',100);
S(4) = struct('name', 'si', 'age','18', 'yuwen',80,'shuxue',90,'waiyu',60,'wuli',90,'huaxue',100);
S(5) = struct('name', 'wu', 'age','18', 'yuwen',80,'shuxue',90,'waiyu',60,'wuli',90,'huaxue',100);
n = numel(S);
total = zeros(n,1);%学生各门课的总分
shuxue_pingjun = 0;
yuwen_pingjun = 0;
waiyu_pingjun = 0;
wuli_pingjun = 0;
huaxue_pingjun = 0;
for i=1:n
total(i) = S(i).yuwen + S(i).shuxue + S(i).waiyu + S(i).wuli + S(i).huaxue;
yuwen_pingjun = yuwen_pingjun + S(i).yuwen;
shuxue_pingjun = shuxue_pingjun + S(i).shuxue ;
waiyu_pingjun = waiyu_pingjun + S(i).waiyu;
wuli_pingjun = wuli_pingjun + S(i).wuli;
huaxue_pingjun = huaxue_pingjun + S(i).huaxue;
end
yuwen_pingjun = yuwen_pingjun/n
shuxue_pingjun = shuxue_pingjun/n
waiyu_pingjun = waiyu_pingjun/n
wuli_pingjun = wuli_pingjun/n
huaxue_pingjun = huaxue_pingjun /n
total

结果：

yuwen_pingjun =

    80


shuxue_pingjun =

    90


waiyu_pingjun =

    60


wuli_pingjun =

    90


huaxue_pingjun =

   100


total =

   420
   420
   420
   420
   420

while 循环

clear;
S(1) = struct('name', 'yi', 'age','18', 'yuwen',80,'shuxue',90,'waiyu',60,'wuli',90,'huaxue',100);
S(2) = struct('name', 'er', 'age','18', 'yuwen',80,'shuxue',90,'waiyu',60,'wuli',90,'huaxue',100);
S(3) = struct('name', 'san', 'age','18', 'yuwen',80,'shuxue',90,'waiyu',60,'wuli',90,'huaxue',100);
S(4) = struct('name', 'si', 'age','18', 'yuwen',80,'shuxue',90,'waiyu',60,'wuli',90,'huaxue',100);
S(5) = struct('name', 'wu', 'age','18', 'yuwen',80,'shuxue',90,'waiyu',60,'wuli',90,'huaxue',100);
n = numel(S);
total = zeros(n,1);%学生各门课的总分
shuxue_pingjun = 0;
yuwen_pingjun = 0;
waiyu_pingjun = 0;
wuli_pingjun = 0;
huaxue_pingjun = 0;
i = 0;
while i<n
    i = i+1;
    total(i) = S(i).yuwen + S(i).shuxue + S(i).waiyu + S(i).wuli + S(i).huaxue;
    yuwen_pingjun = yuwen_pingjun + S(i).yuwen;
    shuxue_pingjun = shuxue_pingjun + S(i).shuxue ;
    waiyu_pingjun = waiyu_pingjun + S(i).waiyu;
    wuli_pingjun = wuli_pingjun + S(i).wuli;
    huaxue_pingjun = huaxue_pingjun + S(i).huaxue;
end
yuwen_pingjun = yuwen_pingjun/n
shuxue_pingjun = shuxue_pingjun/n
waiyu_pingjun = waiyu_pingjun/n
wuli_pingjun = wuli_pingjun/n
huaxue_pingjun = huaxue_pingjun /n
total

结果也是一样的

yuwen_pingjun =

    80


shuxue_pingjun =

    90


waiyu_pingjun =

    60


wuli_pingjun =

    90


huaxue_pingjun =

   100


total =

   420
   420
   420
   420
   420