/ Celestin Apprentice 4 / Apprentice-Release4.iso / Languages / RLaB 1.18c / manual / size.tex

< prev

next >

MacOS 8.1

Win98

DOS

view JSON data

view as text

+--------+-------------------------+-------------------------+--------+--------+
|00000000| 5c 73 65 63 74 69 6f 6e | 7b 73 69 7a 65 20 2d 2d |\section|{size --|
|00000010| 2d 20 73 69 7a 65 20 6f | 66 20 61 72 67 75 6d 65 |- size o|f argume|
|00000020| 6e 74 7d 0d 5c 6c 61 62 | 65 6c 7b 66 6e 3a 73 69 |nt}.\lab|el{fn:si|
|00000030| 7a 65 7d 0d 5c 69 6e 64 | 65 78 7b 73 69 7a 65 28 |ze}.\ind|ex{size(|
|00000040| 29 7d 0d 5c 69 6e 64 65 | 78 7b 73 69 7a 65 20 6f |)}.\inde|x{size o|
|00000050| 66 20 61 72 67 75 6d 65 | 6e 74 7d 0d 5c 69 6e 64 |f argume|nt}.\ind|
|00000060| 65 78 7b 6d 61 74 72 69 | 78 21 64 69 6d 65 6e 73 |ex{matri|x!dimens|
|00000070| 69 6f 6e 73 7d 0d 5c 69 | 6e 64 65 78 7b 6c 69 73 |ions}.\i|ndex{lis|
|00000080| 74 21 6e 75 6d 62 65 72 | 20 6f 66 20 65 6c 65 6d |t!number| of elem|
|00000090| 65 6e 74 73 7d 0d 5c 62 | 65 67 69 6e 7b 72 61 69 |ents}.\b|egin{rai|
|000000a0| 6c 7d 0d 53 69 7a 65 20 | 3a 20 27 73 69 7a 65 27 |l}.Size |: 'size'|
|000000b0| 20 27 28 27 20 28 20 53 | 63 61 6c 61 72 20 7c 20 | '(' ( S|calar | |
|000000c0| 4d 61 74 72 69 78 20 7c | 20 53 74 72 69 6e 67 20 |Matrix || String |
|000000d0| 7c 20 4c 69 73 74 20 29 | 20 27 29 27 20 3b 0d 5c || List )| ')' ;.\|
|000000e0| 65 6e 64 7b 72 61 69 6c | 7d 0d 0d 54 68 65 20 5c |end{rail|}..The \|
|000000f0| 76 65 72 62 2b 73 69 7a | 65 2b 20 66 75 6e 63 74 |verb+siz|e+ funct|
|00000100| 69 6f 6e 20 72 65 74 75 | 72 6e 73 20 74 68 65 20 |ion retu|rns the |
|00000110| 73 69 7a 65 20 6f 66 20 | 74 68 65 20 61 72 67 75 |size of |the argu|
|00000120| 6d 65 6e 74 2e 20 20 49 | 66 20 74 68 65 0d 61 72 |ment.  I|f the.ar|
|00000130| 67 75 6d 65 6e 74 20 69 | 73 20 61 20 73 74 72 69 |gument i|s a stri|
|00000140| 6e 67 20 6f 72 20 73 63 | 61 6c 61 72 2c 20 74 68 |ng or sc|alar, th|
|00000150| 65 6e 20 74 68 65 20 72 | 65 73 75 6c 74 20 69 73 |en the r|esult is|
|00000160| 20 61 20 74 77 6f 20 65 | 6c 65 6d 65 6e 74 0d 72 | a two e|lement.r|
|00000170| 6f 77 20 76 65 63 74 6f | 72 2c 20 77 69 74 68 20 |ow vecto|r, with |
|00000180| 62 6f 74 68 20 65 6c 65 | 6d 65 6e 74 73 20 73 65 |both ele|ments se|
|00000190| 74 20 74 6f 20 24 31 24 | 2e 20 20 49 66 20 74 68 |t to $1$|.  If th|
|000001a0| 65 20 61 72 67 75 6d 65 | 6e 74 20 69 73 20 61 0d |e argume|nt is a.|
|000001b0| 6d 61 74 72 69 78 2c 20 | 74 68 65 6e 20 74 68 65 |matrix, |then the|
|000001c0| 20 72 65 73 75 6c 74 20 | 69 73 20 61 20 74 77 6f | result |is a two|
|000001d0| 20 65 6c 65 6d 65 6e 74 | 20 72 6f 77 20 76 65 63 | element| row vec|
|000001e0| 74 6f 72 2c 20 77 69 74 | 68 20 74 68 65 20 66 69 |tor, wit|h the fi|
|000001f0| 72 73 74 0d 65 6c 65 6d | 65 6e 74 20 65 71 75 61 |rst.elem|ent equa|
|00000200| 6c 20 74 6f 20 74 68 65 | 20 6e 75 6d 62 65 72 20 |l to the| number |
|00000210| 6f 66 20 72 6f 77 73 20 | 69 6e 20 74 68 65 20 61 |of rows |in the a|
|00000220| 72 67 75 6d 65 6e 74 2c | 20 61 6e 64 20 74 68 65 |rgument,| and the|
|00000230| 20 73 65 63 6f 6e 64 0d | 61 72 67 75 6d 65 6e 74 | second.|argument|
|00000240| 20 65 71 75 61 6c 20 74 | 6f 20 74 68 65 20 6e 75 | equal t|o the nu|
|00000250| 6d 62 65 72 20 6f 66 20 | 63 6f 6c 75 6d 6e 73 2e |mber of |columns.|
|00000260| 20 20 49 66 20 74 68 65 | 20 61 72 67 75 6d 65 6e |  If the| argumen|
|00000270| 74 20 69 73 20 61 20 6c | 69 73 74 2c 0d 5c 76 65 |t is a l|ist,.\ve|
|00000280| 72 62 2b 73 69 7a 65 2b | 20 72 65 74 75 72 6e 73 |rb+size+| returns|
|00000290| 20 74 68 65 20 6e 75 6d | 62 65 72 20 6f 66 20 65 | the num|ber of e|
|000002a0| 6c 65 6d 65 6e 74 73 20 | 69 6e 20 74 68 65 20 6c |lements |in the l|
|000002b0| 69 73 74 2e 0d 0d 0d 5c | 70 61 72 61 67 72 61 70 |ist....\|paragrap|
|000002c0| 68 7b 45 78 61 6d 70 6c | 65 7d 0d 5c 69 6e 64 65 |h{Exampl|e}.\inde|
|000002d0| 78 7b 65 78 61 6d 70 6c | 65 20 6f 66 20 73 69 7a |x{exampl|e of siz|
|000002e0| 65 28 29 7d 0d 5c 69 6e | 64 65 78 7b 73 69 7a 65 |e()}.\in|dex{size|
|000002f0| 21 65 78 61 6d 70 6c 65 | 7d 0d 5c 62 65 67 69 6e |!example|}.\begin|
|00000300| 7b 76 65 72 62 61 74 69 | 6d 7d 0d 3e 20 61 20 3d |{verbati|m}.> a =|
|00000310| 20 31 0d 20 61 20 3d 0d | 20 20 20 20 20 20 20 20 | 1. a =.|        |
|00000320| 31 0d 3e 20 73 69 7a 65 | 28 61 29 0d 20 20 20 20 |1.> size|(a).    |
|00000330| 20 20 20 20 31 20 20 20 | 20 20 20 20 20 20 20 31 |    1   |       1|
|00000340| 20 20 0d 3e 20 61 20 3d | 20 31 20 2b 33 6a 0d 20 |  .> a =| 1 +3j. |
|00000350| 61 20 3d 0d 20 20 20 20 | 20 20 20 20 31 20 2b 20 |a =.    |    1 + |
|00000360| 33 69 0d 3e 20 73 69 7a | 65 28 61 29 0d 20 20 20 |3i.> siz|e(a).   |
|00000370| 20 20 20 20 20 31 20 20 | 20 20 20 20 20 20 20 20 |     1  |        |
|00000380| 31 20 20 0d 3e 20 61 20 | 3d 20 72 61 6e 64 28 32 |1  .> a |= rand(2|
|00000390| 2c 34 29 0d 20 61 20 3d | 0d 20 20 20 20 20 20 20 |,4). a =|.       |
|000003a0| 20 31 20 20 20 20 20 20 | 30 2e 36 34 37 20 20 20 | 1      |0.647   |
|000003b0| 20 20 30 2e 30 33 36 39 | 20 20 20 20 20 20 30 2e |  0.0369|      0.|
|000003c0| 36 36 35 20 20 0d 20 20 | 20 20 30 2e 39 37 35 20 |665  .  |  0.975 |
|000003d0| 20 20 20 20 20 30 2e 33 | 33 33 20 20 20 20 20 20 |     0.3|33      |
|000003e0| 30 2e 31 36 32 20 20 20 | 20 20 30 2e 30 38 34 37 |0.162   |  0.0847|
|000003f0| 20 20 0d 3e 20 73 69 7a | 65 28 61 29 0d 20 20 20 |  .> siz|e(a).   |
|00000400| 20 20 20 20 20 32 20 20 | 20 20 20 20 20 20 20 20 |     2  |        |
|00000410| 34 20 20 0d 3e 20 73 69 | 7a 65 28 22 61 20 73 74 |4  .> si|ze("a st|
|00000420| 72 69 6e 67 22 29 0d 20 | 20 20 20 20 20 20 20 31 |ring"). |       1|
|00000430| 20 20 20 20 20 20 20 20 | 20 20 31 20 20 0d 3e 20 |        |  1  .> |
|00000440| 73 69 7a 65 28 5b 22 61 | 22 2c 20 22 73 74 72 69 |size(["a|", "stri|
|00000450| 6e 67 22 2c 20 22 6d 61 | 74 72 69 78 22 5d 29 0d |ng", "ma|trix"]).|
|00000460| 20 20 20 20 20 20 20 20 | 31 20 20 20 20 20 20 20 |        |1       |
|00000470| 20 20 20 33 20 20 0d 3e | 20 62 20 3d 20 3c 3c 61 |   3  .>| b = <<a|
|00000480| 3b 20 63 3d 22 61 6e 6f | 74 68 65 72 20 73 74 72 |; c="ano|ther str|
|00000490| 69 6e 67 22 3b 20 62 20 | 3d 20 33 2b 34 6a 3b 20 |ing"; b |= 3+4j; |
|000004a0| 64 20 3d 20 33 2d 34 6a | 3e 3e 0d 20 62 20 3d 0d |d = 3-4j|>>. b =.|
|000004b0| 20 20 20 31 20 20 20 20 | 20 20 20 20 20 20 20 20 |   1    |        |
|000004c0| 62 20 20 20 20 20 20 20 | 20 20 20 20 20 63 20 20 |b       |     c  |
|000004d0| 20 20 20 20 20 20 20 20 | 20 20 64 20 20 20 20 20 |        |  d     |
|000004e0| 20 20 20 20 20 20 20 0d | 3e 20 73 69 7a 65 28 62 |       .|> size(b|
|000004f0| 29 0d 20 20 20 20 20 20 | 20 20 34 0d 5c 65 6e 64 |).      |  4.\end|
|00000500| 7b 76 65 72 62 61 74 69 | 6d 7d 0d 0d 53 65 65 20 |{verbati|m}..See |
|00000510| 61 6c 73 6f 3a 20 50 61 | 67 65 7e 5c 70 61 67 65 |also: Pa|ge~\page|
|00000520| 72 65 66 7b 66 6e 3a 6c | 65 6e 67 74 68 7d 20 5c |ref{fn:l|ength} \|
|00000530| 76 65 72 62 2b 6c 65 6e | 67 74 68 28 29 2b 2c 0d |verb+len|gth()+,.|
|00000540| 50 61 67 65 7e 5c 70 61 | 67 65 72 65 66 7b 66 6e |Page~\pa|geref{fn|
|00000550| 3a 73 68 6f 77 7d 20 5c | 76 65 72 62 2b 73 68 6f |:show} \|verb+sho|
|00000560| 77 28 29 2b 2e 0d 0d 5c | 6e 65 77 70 61 67 65 0d |w()+...\|newpage.|
|00000570| 0d 0d                   |                         |..      |        |
+--------+-------------------------+-------------------------+--------+--------+