用matlab编程求1+2+3+...+ n的值。
用matlab编程求1+2+3+...+n的值。这个问题属于等差数列求和。用matlab可以用 symsum（）函数来处理：
>> syms k n %变量声明
>> symsum(k,1,n) %求和
执行命令与结果
绛旓細matlab涓浣跨敤norm鍑芥暟姹傚悜閲忔垨鐭╅樀鐨勮寖鏁帮紝鍙互姹傝В1鑼冩暟銆2鑼冩暟銆佹棤绌疯寖鏁板拰p鑼冩暟 NORM(X) is the largest singular value of X, max(svd(X)).NORM(X,2) is the same as NORM(X).NORM(X,1) is the 1-norm of X, the largest column sum,= max(sum(abs(X))).NORM(X,inf) is ...
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绛旓細浠ｇ爜濡備笅锛歝lear all;a=1:1:101;A=[a a];A=sort(A);n=length(A);n=randperm(n);m=sort(n(1:30));B=A(m)涓娆¤繍琛岀粨鏋滐細B = 6 7 21 23 26 28 32 42 43 43 44 49 53 60 61 64 67 72 74 74 76 78 ...
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绛旓細n=3;%n涓鸿緭鍏ュ硷紙鍙敤input锛塻=sum([1:n])
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