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|00000000| 5c 73 65 63 74 69 6f 6e | 7b 6d 61 74 72 69 78 20 |\section|{matrix |
|00000010| 2d 2d 2d 20 43 6f 6e 76 | 65 72 74 20 74 6f 20 4d |--- Conv|ert to M|
|00000020| 61 74 72 69 78 7d 0d 5c | 6c 61 62 65 6c 7b 66 6e |atrix}.\|label{fn|
|00000030| 3a 6d 61 74 72 69 78 7d | 0d 5c 69 6e 64 65 78 7b |:matrix}|.\index{|
|00000040| 6d 61 74 72 69 78 28 29 | 7d 0d 5c 69 6e 64 65 78 |matrix()|}.\index|
|00000050| 7b 63 6f 6e 76 65 72 74 | 20 74 6f 20 6d 61 74 72 |{convert| to matr|
|00000060| 69 78 7d 0d 5c 62 65 67 | 69 6e 7b 72 61 69 6c 7d |ix}.\beg|in{rail}|
|00000070| 0d 4d 61 74 72 69 78 20 | 3a 20 27 6d 61 74 72 69 |.Matrix |: 'matri|
|00000080| 78 27 20 27 28 27 20 28 | 20 28 29 20 7c 20 53 63 |x' '(' (| () | Sc|
|00000090| 61 6c 61 72 20 7c 20 4d | 61 74 72 69 78 20 7c 20 |alar | M|atrix | |
|000000a0| 53 74 72 69 6e 67 20 29 | 20 27 29 27 20 3b 0d 5c |String )| ')' ;.\|
|000000b0| 65 6e 64 7b 72 61 69 6c | 7d 0d 0d 54 68 65 20 5c |end{rail|}..The \|
|000000c0| 76 65 72 62 2b 6d 61 74 | 72 69 78 2b 20 66 75 6e |verb+mat|rix+ fun|
|000000d0| 63 74 69 6f 6e 20 61 74 | 74 65 6d 70 74 73 20 74 |ction at|tempts t|
|000000e0| 6f 20 63 6f 6e 76 65 72 | 74 20 69 74 73 20 61 72 |o conver|t its ar|
|000000f0| 67 75 6d 65 6e 74 0d 74 | 6f 20 61 20 6d 61 74 72 |gument.t|o a matr|
|00000100| 69 78 2e 20 20 49 66 20 | 79 6f 75 20 70 61 73 73 |ix.  If |you pass|
|00000110| 20 6e 6f 20 61 72 67 75 | 6d 65 6e 74 73 2c 20 79 | no argu|ments, y|
|00000120| 6f 75 20 67 65 74 20 61 | 6e 20 65 6d 70 74 79 20 |ou get a|n empty |
|00000130| 6d 61 74 72 69 78 20 62 | 61 63 6b 2e 0d 49 66 20 |matrix b|ack..If |
|00000140| 79 6f 75 20 70 61 73 73 | 20 61 20 73 63 61 6c 61 |you pass| a scala|
|00000150| 72 20 6f 72 20 73 74 72 | 69 6e 67 20 61 72 67 75 |r or str|ing argu|
|00000160| 6d 65 6e 74 2c 20 79 6f | 75 20 67 65 74 20 62 61 |ment, yo|u get ba|
|00000170| 63 6b 20 61 20 6f 6e 65 | 20 65 6c 65 6d 65 6e 74 |ck a one| element|
|00000180| 0d 6d 61 74 72 69 78 20 | 77 69 74 68 20 74 68 65 |.matrix |with the|
|00000190| 20 61 72 67 75 6d 65 6e | 74 20 61 73 20 74 68 61 | argumen|t as tha|
|000001a0| 74 20 65 6c 65 6d 65 6e | 74 2e 20 20 49 66 20 79 |t elemen|t.  If y|
|000001b0| 6f 75 20 70 61 73 73 20 | 61 20 6d 61 74 72 69 78 |ou pass |a matrix|
|000001c0| 0d 61 72 67 75 6d 65 6e | 74 2c 20 79 6f 75 20 6a |.argumen|t, you j|
|000001d0| 75 73 74 20 67 65 74 20 | 74 68 61 74 20 6d 61 74 |ust get |that mat|
|000001e0| 72 69 78 20 62 61 63 6b | 2e 0d 0d 5c 70 61 72 61 |rix back|...\para|
|000001f0| 67 72 61 70 68 7b 45 78 | 61 6d 70 6c 65 7d 0d 5c |graph{Ex|ample}.\|
|00000200| 69 6e 64 65 78 7b 65 78 | 61 6d 70 6c 65 20 6f 66 |index{ex|ample of|
|00000210| 20 6d 61 74 72 69 78 28 | 29 7d 0d 5c 69 6e 64 65 | matrix(|)}.\inde|
|00000220| 78 7b 6d 61 74 72 69 78 | 28 29 21 65 78 61 6d 70 |x{matrix|()!examp|
|00000230| 6c 65 7d 0d 5c 62 65 67 | 69 6e 7b 76 65 72 62 61 |le}.\beg|in{verba|
|00000240| 74 69 6d 7d 0d 3e 20 6d | 61 74 72 69 78 28 29 0d |tim}.> m|atrix().|
|00000250| 20 20 20 20 20 20 20 20 | 5b 5d 0d 3e 20 6d 61 74 |        |[].> mat|
|00000260| 72 69 78 28 33 29 0d 20 | 20 20 20 20 20 20 20 33 |rix(3). |       3|
|00000270| 20 20 0d 3e 20 73 68 6f | 77 28 6d 61 74 72 69 78 |  .> sho|w(matrix|
|00000280| 28 33 29 29 0d 20 20 20 | 6e 61 6d 65 3a 20 20 20 |(3)).   |name:   |
|00000290| 20 20 20 4e 55 4c 4c 20 | 20 0d 20 20 20 63 6c 61 |   NULL | .   cla|
|000002a0| 73 73 3a 20 20 20 20 20 | 6e 75 6d 20 20 20 0d 20 |ss:     |num   . |
|000002b0| 20 20 74 79 70 65 3a 20 | 20 20 20 20 20 72 65 61 |  type: |     rea|
|000002c0| 6c 20 20 0d 20 20 20 20 | 20 6e 72 3a 20 20 20 20 |l  .    | nr:    |
|000002d0| 20 20 31 20 20 20 20 20 | 0d 20 20 20 20 20 6e 63 |  1     |.     nc|
|000002e0| 3a 20 20 20 20 20 20 31 | 20 20 20 20 20 0d 3e 20 |:      1|     .> |
|000002f0| 73 68 6f 77 28 6d 61 74 | 72 69 78 28 22 54 68 69 |show(mat|rix("Thi|
|00000300| 73 20 69 73 20 61 20 74 | 65 73 74 20 73 74 72 69 |s is a t|est stri|
|00000310| 6e 67 22 29 29 0d 20 20 | 20 6e 61 6d 65 3a 20 20 |ng")).  | name:  |
|00000320| 20 20 20 20 4e 55 4c 4c | 20 20 20 20 0d 20 20 20 |    NULL|    .   |
|00000330| 63 6c 61 73 73 3a 20 20 | 20 20 20 73 74 72 69 6e |class:  |   strin|
|00000340| 67 20 20 0d 20 20 20 74 | 79 70 65 3a 20 20 20 20 |g  .   t|ype:    |
|00000350| 20 20 73 74 72 69 6e 67 | 20 20 0d 20 20 20 20 20 |  string|  .     |
|00000360| 6e 72 3a 20 20 20 20 20 | 20 31 20 20 20 20 20 20 |nr:     | 1      |
|00000370| 20 0d 20 20 20 20 20 6e | 63 3a 20 20 20 20 20 20 | .     n|c:      |
|00000380| 31 20 20 20 20 20 20 20 | 0d 3e 20 61 20 3d 20 5b |1       |.> a = [|
|00000390| 32 2e 34 2c 35 2c 33 2c | 36 3b 32 2c 2d 36 2c 2d |2.4,5,3,|6;2,-6,-|
|000003a0| 39 2c 31 30 32 5d 0d 20 | 61 20 3d 0d 20 20 20 20 |9,102]. |a =.    |
|000003b0| 20 20 32 2e 34 20 20 20 | 20 20 20 20 20 20 20 35 |  2.4   |       5|
|000003c0| 20 20 20 20 20 20 20 20 | 20 20 33 20 20 20 20 20 |        |  3     |
|000003d0| 20 20 20 20 20 36 20 20 | 0d 20 20 20 20 20 20 20 |     6  |.       |
|000003e0| 20 32 20 20 20 20 20 20 | 20 20 20 2d 36 20 20 20 | 2      |   -6   |
|000003f0| 20 20 20 20 20 20 2d 39 | 20 20 20 20 20 20 20 20 |      -9|        |
|00000400| 31 30 32 20 20 0d 3e 20 | 6d 61 74 72 69 78 28 61 |102  .> |matrix(a|
|00000410| 29 0d 20 20 20 20 20 20 | 32 2e 34 20 20 20 20 20 |).      |2.4     |
|00000420| 20 20 20 20 20 35 20 20 | 20 20 20 20 20 20 20 20 |     5  |        |
|00000430| 33 20 20 20 20 20 20 20 | 20 20 20 36 20 20 0d 20 |3       |   6  . |
|00000440| 20 20 20 20 20 20 20 32 | 20 20 20 20 20 20 20 20 |       2|        |
|00000450| 20 2d 36 20 20 20 20 20 | 20 20 20 20 2d 39 20 20 | -6     |    -9  |
|00000460| 20 20 20 20 20 20 31 30 | 32 20 20 0d 5c 65 6e 64 |      10|2  .\end|
|00000470| 7b 76 65 72 62 61 74 69 | 6d 7d 0d 0d 53 65 65 20 |{verbati|m}..See |
|00000480| 61 6c 73 6f 3a 20 50 61 | 67 65 7e 5c 70 61 67 65 |also: Pa|ge~\page|
|00000490| 72 65 66 7b 66 6e 3a 73 | 63 61 6c 61 72 7d 20 5c |ref{fn:s|calar} \|
|000004a0| 76 65 72 62 2b 73 63 61 | 6c 61 72 28 29 2b 2e 0d |verb+sca|lar()+..|
|000004b0| 0d 5c 6e 65 77 70 61 67 | 65 0d 0d 0d 0d 0d 0d    |.\newpag|e...... |
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