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1. ÊäÈë20¸öÊý£¬ÇóÆäÖÐ×î´óÊýºÍ×îСÊý¡£ÒªÇó·Ö±ðÓÃÑ­»·½á¹¹ºÍµ÷ÓÃMATLABµÄmaxº¯Êý¡¢minº¯ÊýÀ´ÊµÏÖ¡£ n=input('ÇëÊäÈë20¸öÊý'); %µ÷Óú¯ÊýʵÏÖ max1=max(n) min1=min(n)

%ÓÃÑ­»·½á¹¹ÊµÏÖ max2=n(1); min2=n(1); for i=2:20;

if max2

if min2>n(i); min2=n(i); end end max2 min2

ÔËÐнá¹û£º

ÇëÊäÈë20¸öÊý[0 2 4 6 77 10 12 14 16 28 30 11 3 5 7 19 1 13 25 17] max1 = 77 min1 = 0 max2 = 77 min2 = 0

2. ÇóFibonacciÊýÁÐ (1)´óÓÚ4000µÄ×îСÏî¡£ (2)5000Ö®ÄÚµÄÏîÊý¡£ £¨1£©f=[1,1]; i=1;

while f(i)<4000

f(i+2)=f(i)+f(i+1); i=i+1; end f(i)

ÔËÐнá¹û£º ans = 4181

£¨2£©f=[1,1];

i=1;

while f(i)+f(i+1)<=5000 f(i+2)=f(i)+f(i+1);

i=i+1; end i+1

ÔËÐнá¹û£º ans =19

3. д³öÏÂÁгÌÐòµÄÊä³ö½á¹û: s=0;

a=[12,13,14;15,16,17;18,19,20;21,22,23]; for k=a for j=1:4

if rem(k(j),2)~=0 s=s+k(j); end end end s

ÔËÐнá¹û£º s =108

4.Çó1£¡+2£¡+3£¡+ ¡­ +5£¡µÄÖµ£¬ÒÔϳÌÐòÊÇ·ñÕýÈ·£¿Èç´íÎó¸ÄÕý£¬²¢¸ø³öÔËÐнá¹û¡£ clear sum=0; for i=1:5 pdr=1; for k=1:i pdr=pdr*k; end

sum=sum+pdr; end sum

ÔËÐнá¹û£º sum = 153 ³ÌÐòÕýÈ·

5.¼¦ÍÃͬÁýÎÊÌ⣺¼¦ºÍÍÃ×Ó¹ØÔÚÒ»¸öÁý×ÓÀÒÑÖª¹²ÓÐÍ·36¸ö£¬½Å100¸ö£¬ÇóÁýÄÚ¹ØÁ˶àÉÙÖ»ÍÃ×ӺͶàÉÙÖ»¼¦£¿

ÒÔϳÌÐòÊÇ·ñÕýÈ·£¿Èç´íÎó¸ÄÕý£¬²¢¸ø³öÔËÐнá¹û¡£ clear chicken=1; while 1

if rem(100-chicken*2, 4)==0&(chicken+(100-chicken*2)/4)==36 break; end

chicken=chicken+1; end chicken

rabbit=(100-2*chicken)/4

ÔËÐнá¹û£º chicken = 22 rabbit = 14 ³ÌÐòÕýÈ·

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