鸭子有禽流感吗:恳请各位达人帮才鸟笑地解决一个非常简单的matlab编程问题
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(1)该数各位数字之合为奇数
(2)该数是素数
temp = [];
result = [];
for i =2:999
ii = num2str(i);
k=0;
for j = 1:length(ii)
k = k + str2num(ii(j));
end
if (~any(mod(i,temp)==0)) & (mod(k,2)==1)
result = [result i];
end
temp = [temp i];
end
result =
Columns 1 through 13
3 5 7 23 29 41 43 47 61 67 83 89 113
Columns 14 through 26
131 137 139 151 157 173 179 191 193 197 199 223 227
Columns 27 through 39
229 241 263 269 281 283 311 313 317 331 337 353 359
Columns 40 through 52
373 379 397 401 409 421 443 449 461 463 467 487 557
Columns 53 through 65
571 577 593 599 601 607 641 643 647 661 683 719 733
Columns 66 through 78
739 751 757 773 797 809 821 823 827 829 863 881 883
Columns 79 through 87
887 911 919 937 953 971 977 991 997
>> fun=@(x) mod(sum(mod(x,10)+mod(floor(x/10),10)+floor(x/100)),2);
>> p=primes(999);
>> i=blkproc(p,[1 1],fun);
>> p(i>0)