while循环在Matlab中循环 [英] While loop inside for loop in Matlab
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问题描述
n = 100;
for i = 1:n
while b <0.5
x(i)= rand;
b = x(i);
end
end
我不知道我做错了什么。
谢谢
解决方案
在你展示的例子中,你必须初始化 b
或,而
-statement不能在第一次调用时被评估。
在 / code> -loop以避免在第一个
之后发生误报 -iteration:
N = 100;
for ii = 1:n
b = 0;
,而b <0.5
x(ii)= rand;
b = x(ii);
end
end
或者
n = 100;
x =零(1,100); (ii)<0.5
x(ii)=兰特;(ii)
为ii = 1:n
,
end
end
I am trying to using a while loop inside a for loop in Matlab. The while loop will repeat the same action until it satifies some criteria. The outcome from the while loop is one iteration in the for loop. I am having a problem to get that correctly.
n=100;
for i=1:n
while b<0.5
x(i)=rand;
b=x(i);
end
end
I am not sure what i am doing wrongly. Thanks
解决方案
With the example you showed, you have to initialize b
or the while
-statement cannot be evaluated when it is first called.
Do it inside the for
-loop to avoid false positives after the first for
-iteration:
n=100;
for ii=1:n
b = 0;
while b<0.5
x(ii)=rand;
b=x(ii);
end
end
Or, without b
:
n=100;
x = zeros(1,100);
for ii=1:n
while x(ii)<0.5
x(ii)=rand;
end
end
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