title: converting number to string in matlab
body: <p>is there a way to convert numbers to str in matlab</p>
  
  <p>for example, 30120 turns into cat</p>
  
  <p>where c is 03 a is 01 t is 20</p>
  
  <p>here is my progress on RSA encryption/decryption I am trying to decrypt into plain text.</p>
  
  <pre><code>% variables
  
  p=vpi('22953686867719691230002707821868552601124472329079')
  q=vpi('30762542250301270692051460539586166927291732754961')
  e=vpi('555799999999999');
  n=(p.*q)
  phi=((q-1).*(p-1))
  
  % how to convert plaintext to integer mod 26
  
  
  abc = 'abcdefghijklmnopqrstuvwxyz';
  word = 'acryptographicallystrongrandomnumbergeneratorwhichhasbeenproperlyseededwithadequateentropymustbeusedtogeneratetheprimespandqananalysiscomparingmillionsofpublickeysgatheredfromtheinternetwasrecentlycarriedoutbylenstrahughesaugierboskleinjungandwachteracryptographicallystrongrandomnumbergeneratorwhichhasbeenproperlyseededwithadequateentropymustbeused';  
  
  [temp1, temp2, temp3, temp4, temp5, temp6, temp7,temp8,temp9] = split(word)
  
  [int1,int2,int3,int4,int5,int6,int7,int8,int9] = intsplit(temp1,temp2,temp3,temp4,temp5,temp6,temp7,temp8,temp9)
  
  [encrypt1, encrypt2, encrypt3, encrypt4, encrypt5, encrypt6, encrypt7, encrypt8, encrypt9] = encrypt_this(int1, int2, int3, int4, int5, int6, int7, int8, int9)
  
  [decrypt1, decryt2, decrypt3, decrypt4, decryt5, decrypt6,decrypt7, decryt8, decrypt9] = decrypt_this(encrypt1, encrypt2, encrypt3, encrypt4, encrypt5, encrypt6, encrypt7, encrypt8, encrypt9)
  </code></pre>