for (i = 0; i < vector_cnt; i++)
{
int j;
for (j = 0; j < var_cnt; j++)
{
char *name = xasprintf ("%s%d", vectors[i], j + 1);
for (i = 0; i < vector_cnt; i++)
{
int j;
for (j = 0; j < var_cnt; j++)
{
char *name = xasprintf ("%s%d", vectors[i], j + 1);