Question: FIGURE 9.1. Pictorial representation of the first five triangular numbers. In[1]: Anagrams1[word String] := Module[[words), words Map[StringJoin, Permutations [Characters[word]]]; DictionaryLookup[/; MemberQ[words, x]]] In[2] Timing
![FIGURE 9.1. Pictorial representation of the first five triangular numbers. In[1]: Anagrams1[word](https://s3.amazonaws.com/si.experts.images/answers/2024/05/66509115c905e_05366509115aed10.jpg)
![String] := Module[[words), words Map[StringJoin, Permutations [Characters[word]]]; DictionaryLookup[/; MemberQ[words, x]]] In[2] Timing](https://s3.amazonaws.com/si.experts.images/answers/2024/05/665091161a8c2_05466509116059da.jpg)
![[Anagrams1["alerts"]] Out [2] (16.3502, (alerts, alters, salter, staler}} In[3]: Anagrams2[word String] :=](https://s3.amazonaws.com/si.experts.images/answers/2024/05/6650911674ea3_054665091164cf2d.jpg)
FIGURE 9.1. Pictorial representation of the first five triangular numbers. In[1]: Anagrams1[word String] := Module[[words), words Map[StringJoin, Permutations [Characters[word]]]; DictionaryLookup[/; MemberQ[words, x]]] In[2] Timing [Anagrams1["alerts"]] Out [2] (16.3502, (alerts, alters, salter, staler}} In[3]: Anagrams2[word String] := Module[(chars Characters[word], words), words Map[StringJoin, Permutations[chars]]; In[4] ] DictionaryLookup [Alternatives @ words] Timing [Anagrams2["alerts"]] Out [4] (0.940914, (alerts, alters, salter, staler}} In[5]: Anagrams3[word String] := Module[(len = StringLength [word], words), words DictionaryLookup [RegularExpression["\\w"> ToString[len] ""]]; Select [words, Sort [Characters[+]] = Sort [Characters[word]] &]] In[6]: Timing [Anagrams3["alerts"]] Out [6] (0.052693, (alerts, alters, salter, staler}}
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