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at:tutorial:basic
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at:tutorial:basic [2020/02/09 21:52] elisag |
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| - | ==== Multidimensional | + | |
| + | ==== Multidimensional | ||
| As mentioned before, there is no special constructor for definition of multidimensional tables, a table entry can contain another table. In what follows we have a closer look to manipulations with multidimensional tables. | As mentioned before, there is no special constructor for definition of multidimensional tables, a table entry can contain another table. In what follows we have a closer look to manipulations with multidimensional tables. | ||
| Line 229: | Line 230: | ||
| >> 21 | >> 21 | ||
| </ | </ | ||
| + | |||
| + | |||
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| Line 245: | Line 249: | ||
| As is customary in languages with the above optional arguments, AmbientTalk requires mandatory parameters to be defined //before// optional parameters, which should in turn be defined //before// a variable-argument parameter, if any. | As is customary in languages with the above optional arguments, AmbientTalk requires mandatory parameters to be defined //before// optional parameters, which should in turn be defined //before// a variable-argument parameter, if any. | ||
| - | Let us show how to use optional arguments to define an auxilary function that creates matrices | + | Let us show how to use optional arguments to define an auxilary function that creates matrices: |
| < | < | ||
| Line 251: | Line 255: | ||
| def [i,j] := [0,0]; | def [i,j] := [0,0]; | ||
| def makeCol(i, | def makeCol(i, | ||
| - | def col[m] { j := j + 1; init(n,m) } | + | def col[m] { j := j + 1; init(i,j) } |
| }; | }; | ||
| def matrix[n] { i := i + 1; makeCol(i, | def matrix[n] { i := i + 1; makeCol(i, | ||
| }; | }; | ||
| - | def b := makeMatrix(2, | ||
| - | > | ||
| - | >> | ||
| - | > | ||
| - | >> false false false true | ||
| >def c := makeMatrix(3); | >def c := makeMatrix(3); | ||
| >> | >> | ||
| Line 266: | Line 265: | ||
| >c | >c | ||
| >> | >> | ||
| + | >def d := makeMatrix(4, | ||
| + | >> [[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]] | ||
| </ | </ | ||
at/tutorial/basic.txt · Last modified: 2020/02/09 22:05 by elisag
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