Help / Phrases / 13. C. Type Change
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13C. Type Change
| m0=: [: 0&": 10"_ #. #: | Character binary format of integer y |
| m1=: 1: ": |:@(10 10"_ #: >:@i.) | Character form of column # heading |
| m2=: ] { '0123456789abcdef'"_ | Character form of #, bases 2 thru 16 |
| m3=: <"1 | Box lists of array y |
| m4=:16"_#.'0123456789abcdef'"_ i.] | Decimal from hexadecimal characters y |
| m5=: 10"_ #. '0123456789'"_ i. ] | Decimal from decimal characters y |
| m6=: ". | Convert rows of y to numbers (default 0) |
| d7=: [ ]`[@.(0: = #@]) ".@] | # from character y, x if y not a number |
| m8=: }.@(".@('0 '&,@(*./@(e.& '0123456789'@]) # ]))) | # from character, empty if not character |
| m9=: ". | Execute each row of character table y |
| m10=: +/@:". | Sum of numbers in character table y |
| m11=: ":@,. | Format numeric list y as table |
| d12=: [:}."1[:": (10"_^[)+([:,.]) | Format list y as x-wide col with leading 0s |
| d13=: [ n24 } m25@] | Format y with 0s replaced by x |
| d14=: ":"_1 | Row-wise format of y by x |
| d15=: ": | Format y in fields <.x wide and 1|x decimals |
| m16=: #@": | Number of characters in format of y |
| n17=: rn=: 'MDCLXVI' | Roman numerals |
| m18=: rn&i. | Roman numerals y in code |
| m19=: {&1000 500 100 50 10 5 1 | Decode decimal values from indices y |
| m20=: [: | [:-/]+//.~0:,~2:</\] | Decimal number from values of Roman |
| m21=: DFR=: m20@m19@m18 | Decimal from Roman |
| m22=: RFD=:#&rn@(5 2 5 2 5 2 5&#:) | Roman from Decimal (no refinements) |
| v23=: [: <"1 $ #: [: m26 [:,'1'"_ =] | Indices of '1' in character table y |
| n24=: [`(v23@{:@])`({.@]) | Gerund for amend |
| m25=: [: ": ] ,: ] = 0: | Laminate boolean array locating free 0s in y |
| m26=: +/ {. \: | Indices of 1s in Boolean list y |
y
12.34 4 0 7.8
0 6 0 8.9
123.45 0 0 10.11
' ' d13 y
12.34 4 7.8
6 8.9
123.45 10.11
DFR 'MCMIX'
1909
RFD 1909
MDCCCCVIIII