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全部话题 - 话题: ismember
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J******8
发帖数: 132
1
来自主题: JobHunting版 - Facebook phone screen
The question is not hard. But I missed two key points.
The details below.
==========================================================
/*
example
char *words[] = {"foo", "bar", "baz", NULL};
setup(words);
1) First step:
isMember("foo") -> true
isMember("garply") -> false
2) Second step:
isMember("f.o") -> true
isMember("..") -> false
*/
#include
#include
#include
char *words[] = {"foo", "bar", "baz", "caz","cat",NULL};
int num=0;
void print_words(void)
{
int i=0... 阅读全帖
t***s
发帖数: 4666
2
find(ismember()) operates on a vector too. hehe.
i don't know how ismember is implemented.
t***s
发帖数: 4666
3
find(ismember(A,a,'rows'))
b****r
发帖数: 5889
4
那这样会快点吗
find(ismember(A',a','column'))
l********a
发帖数: 1154
5
来自主题: Computation版 - matlab 思考题
这个只能循环吧
a = [1 2;
3 4;
1 2;
1 2;
5 6];
b = [];
for i=1:size(a,1)
if 1==i
restMat = a(2:end,:);
else
restMat = [a(1:i-1,:);a(i+1:end,:)];
end
if ~ismember(a(i,:),restMat,'rows')
b(end+1) = i;
end
end
b
S*********g
发帖数: 5298
6
来自主题: Quant版 - matlab有排名function么?
here is a solution
A=[50, 70, 80,60,100,100,70,100];
bb=sort(unique(A));
[ia,ib]=ismember(A,bb)
ib is what you want
c******n
发帖数: 49
7
来自主题: Quant版 - matlab的问题
ismember(x, [a b c])
w*******y
发帖数: 60932
8
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Link:
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