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edit distance

jogmanjogman Posts: 4Member
Could anyone write this code in mathematica [b]without[/b] using the [b]built-in[/b] function? I would be grateful..

main(){
char s[300],t[300];
int i,j,c,m,n,edit;
int a[301][301];


printf("give s: ");
scanf("%s",s);
printf("give t: ");
scanf("%s",t);
m=strlen(s);
n=strlen(t);


else{




for(i=0;i<=m;i++){
a[i][0]=i; }
for(j=1;j<=n;j++){
a[0][j]=j; }
for(i=1;i<=m;i++){
for(j=1;j<=n;j++){
if(s[i-1]==t[j-1])
c=0;
else c=1;

a[i][j]=min(a[i-1][j]+1,min(a[i][j-1]+1,a[i-1][j-1]+c));
edit=a[i][j];

}
}


}

}

Comments

  • zibadianzibadian Posts: 6,349Member
    : Could anyone write this code in mathematica [b]without[/b] using the
    : [b]built-in[/b] function? I would be grateful..
    :
    : main(){
    : char s[300],t[300];
    : int i,j,c,m,n,edit;
    : int a[301][301];
    :
    :
    : printf("give s: ");
    : scanf("%s",s);
    : printf("give t: ");
    : scanf("%s",t);
    : m=strlen(s);
    : n=strlen(t);
    :
    :
    : else{
    :
    :
    :
    :
    : for(i=0;i<=m;i++){
    : a[i][0]=i; }
    : for(j=1;j<=n;j++){
    : a[0][j]=j; }
    : for(i=1;i<=m;i++){
    : for(j=1;j<=n;j++){
    : if(s[i-1]==t[j-1])
    : c=0;
    : else c=1;
    :
    : a[i][j]=min(a[i-1][j]+1,min(a[i][j-1]+1,a[i-1][j-1]+c));
    : edit=a[i][j];
    :
    : }
    : }
    :
    :
    : }
    :
    : }
    :
    What's it intended to do? What's the error?
  • jogmanjogman Posts: 4Member
    : : Could anyone write this code in mathematica [b]without[/b] using the
    : : [b]built-in[/b] function? I would be grateful..
    : :
    : : main(){
    : : char s[300],t[300];
    : : int i,j,c,m,n,edit;
    : : int a[301][301];
    : :
    : :
    : : printf("give s: ");
    : : scanf("%s",s);
    : : printf("give t: ");
    : : scanf("%s",t);
    : : m=strlen(s);
    : : n=strlen(t);
    : :
    : :
    : : else{
    : :
    : :
    : :
    : :
    : : for(i=0;i<=m;i++){
    : : a[i][0]=i; }
    : : for(j=1;j<=n;j++){
    : : a[0][j]=j; }
    : : for(i=1;i<=m;i++){
    : : for(j=1;j<=n;j++){
    : : if(s[i-1]==t[j-1])
    : : c=0;
    : : else c=1;
    : :
    : : a[i][j]=min(a[i-1][j]+1,min(a[i][j-1]+1,a[i-1][j-1]+c));
    : : edit=a[i][j];
    : :
    : : }
    : : }
    : :
    : :
    : : }
    : :
    : : }
    : :
    : it computes the edit(levenshtein) distance between two strings.
    i can't write this code in mathematica without using the built-in function

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