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wxyuan2014

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wxyuan2014: ½ð±Ò+5 2016-08-08 15:43:13
C Code:
#include<stdio.h>
int main(void)
{
    int i, j, size_A=2, size_A2=3;
    float A[2][3]= {{-1e300, 2, 3},{2,-1e300,5}}; /*NOTE: -1e300 outputs as -Inf*/
    int size_index=0;
    int rloc, cloc;
    float index[size_A*size_A2];

    for(j=0; j<size_A2; j++) /*Finds rows where values in each column are greater than -Inf. Also finds length of new linear matrix*/
    {
        for(i=0; i<size_A; i++)
            {
                if(A[j]>-1e300)
                {
                    cloc=j+1;
                    rloc=i+1;
            
         
            size_index++;
            index[1][size_index]= rloc;
            printf("col:%d\nrow:%d\nsize:%d\n", cloc, rloc, size_index);


                }printf("%d", index[1][size_index]);
            }
    }

    return 0;
}

http://cboard.cprogramming.com/c ... -find-function.html
2Â¥2016-08-08 14:16:42
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jianliu67

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wxyuan2014: ½ð±Ò+5 2016-08-09 15:54:08
¿´Äã×·ÇóʲôÁË.

1. Èç¹û×·ÇóЧÂÊ, ÄãµÃ×Ô¼ºÐ´Ò»¶Îcode, Ñ­»·Õû¸öÊý×é, µÃµ½×îСֵµÄͬʱ±£´æËüµÄindex.
2. Èç¹ûÖ»×·Çó´úÂë¼ò½àºÃ¿´, ¿ÉÒÔÕâÑùд: int minIndex = list.indexOf(Collections.min(list)), ÕâÀï <ArrayList>list ÊÇÄãµÄÊý×é.

The second one is exactly like the Matlab method you wanted, but it goes through the same list twice in the worst case scenario. The first method only goes through the list once so it's faster.
3Â¥2016-08-09 10:40:45
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