FIx Reduction of empty array error

[rgertenbach]

mapkob.Row.prototype.sum generates

C:\Users\Robin\Desktop\mapkob.js:239
}, this).reduce(function(x, y) {
^

TypeError: Reduce of empty array with no initial value
at Array.reduce (native)
at mapkob.Row.sum (C:\Users\Robin\Desktop\mapkob.js:239:12)
at mapkob.Row.probabilities (C:\Users\Robin\Desktop\mapkob.js:251:18)
at mapkob.TransitionMatrix.generateChain (C:\Users\Robin\Desktop\mapkob.js:190:7)
at Object. (C:\Users\Robin\Desktop\mapkob.js:318:19)
at Module._compile (module.js:413:34)
at Object.Module._extensions..js (module.js:422:10)
at Module.load (module.js:357:32)
at Function.Module._load (module.js:314:12)
at Function.Module.runMain (module.js:447:10)
[Finished in 19.1s]

[rgertenbach]

Fixed

[rgertenbach]

Nope, still there:
C:\Users\Robin\Desktop\mapkob.js:239
}, this).reduce(function(x, y) {
^

TypeError: Reduce of empty array with no initial value
at Array.reduce (native)
at mapkob.Row.sum (C:\Users\Robin\Desktop\mapkob.js:239:12)
at mapkob.Row.probabilities (C:\Users\Robin\Desktop\mapkob.js:251:18)
at mapkob.TransitionMatrix.generateChain (C:\Users\Robin\Desktop\mapkob.js:190:7)
at Object. (C:\Users\Robin\Desktop\mapkob.js:321:19)
at Module._compile (module.js:413:34)
at Object.Module._extensions..js (module.js:422:10)
at Module.load (module.js:357:32)
at Function.Module._load (module.js:314:12)
at Function.Module.runMain (module.js:447:10)
[Finished in 18.9s with exit code 1]

With holmes and lovecraft short

[rgertenbach]

A B C. D:

causes

{ stateSpace: [ 'A', 'B', 'C', undefined, 'D:' ],
  matrix: 
   { A: { 'B C': 1 },
     B: { 'C undefined': 1 },
     C: { 'undefined:': 1 },
     undefined: { 'D: undefined': 1 },
     'D:': { undefined: 1 } },
  initialStates: { row: { A: 1, 'D:': 1 }, stateSpace: [ 'A', 'D:' ] },
  n: 3 }
A
C:\Users\Robin\Desktop\mapkob.js:241
  }, this).reduce(function(x, y) {
           ^

TypeError: Reduce of empty array with no initial value
    at Array.reduce (native)
    at mapkob.Row.sum (C:\Users\Robin\Desktop\mapkob.js:241:12)
    at mapkob.Row.probabilities (C:\Users\Robin\Desktop\mapkob.js:253:18)
    at mapkob.TransitionMatrix.generateChain (C:\Users\Robin\Desktop\mapkob.js:192:7)
    at Object.<anonymous> (C:\Users\Robin\Desktop\mapkob.js:324:19)
    at Module._compile (module.js:413:34)
    at Object.Module._extensions..js (module.js:422:10)
    at Module.load (module.js:357:32)
    at Function.Module._load (module.js:314:12)
    at Function.Module.runMain (module.js:447:10)
A
B C
undefined:
[Finished in 0.3s with exit code 1]

[rgertenbach]

Probably it's failing because : is not a \w character

[rgertenbach]

part of the dicst is actually linking to: "undefined:"