APLX Help : Help on APL language : APL Primitives : \ Scan




When used with a function operand, the The left operand of +\20 10 ¯5 7 (Compare with 20+10+¯5+7. The result shows 20 30 25 32 the running totals and the final sum) ,\'AB' 'CD' 'EF' (Repeated applications of ,) AB ABCD ABCDEF TABLE 5 2 3 4 7 6 ×\ TABLE (Puts × between all elements of TABLE 5 10 30 and shows the result of each 4 28 168 multiplication in row 1 and in row 2. Note that since no dimension was specified, the operation takes place on the last dimension, the columns. See []  the axis operator) ×⍀TABLE (First axis scan. Applies across each 5 2 3 row, i.e. Down the columns. Same as 20 14 18 ×\[1]TABLE) ^\ 1 1 1 0 1 1 (Applies logical 'and' over all 1 1 1 0 0 0 elements. A series of 1's is produced up to the first 0. Shows where a test first failed) \1 2 3 4 (The intermediate results are 1 ¯1 2 ¯2 1 1  2 1  2  3 1  2  3  4 Useful examples of Scan include: ^\ All 0 after the first 0 ∨\ All 1 after the first 1 <\ 1 at the first 1 ≤\ 0 at the first 0 ≠\ 0 or 1, reversing at each 1 

APLX Help : Help on APL language : APL Primitives : \ Scan

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