My version of variations (without repetitions) : 10 #. (,/@:(],"1 0 -."1)^:2 ,.)1+i.9
More general: (3) 4 :'y,/@:(],"1 0 -."1)^:(x-1) ,.y' 'abcd' Op 12-08-17 om 11:16 schreef Skip Cave:
How can I use J to generate all the possible 3-digit integers that can be constructed using the digits 1-9 (no zeros), with no repeated digits in each integer? The sequence starts with 123 (smallest) and goes to 987 (largest). Here's the first few integers in the sequence: 123 124 125 126 127 128 129 132 134 135 136 137 138 139 142 143 145 146 147 148 149 152 153 154 156 157 158 159 162...... Skip Skip Cave Cave Consulting LLC ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
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