static void Cholesky_Decomposition ( int [ ] [ ] matrix , int n ) {
  int [ ] [ ] lower = new int [ n ] [ n ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    for ( int j = 0 ;
    j <= i ;
    j ++ ) {
      int sum = 0 ;
      if ( j == i ) {
        for ( int k = 0 ;
        k < j ;
        k ++ ) sum += ( int ) Math . pow ( lower [ j ] [ k ] , 2 ) ;
        lower [ j ] [ j ] = ( int ) Math . sqrt ( matrix [ j ] [ j ] - sum ) ;
      }
      else {
        for ( int k = 0 ;
        k < j ;
        k ++ ) sum += ( lower [ i ] [ k ] * lower [ j ] [ k ] ) ;
        lower [ i ] [ j ] = ( matrix [ i ] [ j ] - sum ) / lower [ j ] [ j ] ;
      }
    }
  }
  System . out . println ( " Lower Triangular\t Transpose" ) ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    for ( int j = 0 ;
    j < n ;
    j ++ ) System . out . print ( lower [ i ] [ j ] + "\t" ) ;
    System . out . print ( "" ) ;
    for ( int j = 0 ;
    j < n ;
    j ++ ) System . out . print ( lower [ j ] [ i ] + "\t" ) ;
    System . out . println ( ) ;
  }
}

static void Cholesky_Decomposition ( int [ ] [ ] matrix , int n ) { int [ ] [ ] lower = new int [ n ] [ n ] ; for ( int i = 0 ; i < n ; i ++ ) { for ( int j = 0 ; j <= i ; j ++ ) { int sum = 0 ; if ( j == i ) { for ( int k = 0 ; k < j ; k ++ ) sum += ( int ) Math . pow ( lower [ j ] [ k ] , 2 ) ; lower [ j ] [ j ] = ( int ) Math . sqrt ( matrix [ j ] [ j ] - sum ) ; } else { for ( int k = 0 ; k < j ; k ++ ) sum += ( lower [ i ] [ k ] * lower [ j ] [ k ] ) ; lower [ i ] [ j ] = ( matrix [ i ] [ j ] - sum ) / lower [ j ] [ j ] ; } } } System . out . println ( " ▁ Lower ▁ Triangular\t ▁ Transpose " ) ; for ( int i = 0 ; i < n ; i ++ ) { for ( int j = 0 ; j < n ; j ++ ) System . out . print ( lower [ i ] [ j ] + " \t " ) ; System . out . print ( " " ) ; for ( int j = 0 ; j < n ; j ++ ) System . out . print ( lower [ j ] [ i ] + " \t " ) ; System . out . println ( ) ; } }
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(decimal_integer_literal))))))) (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (cast_expression type: (integral_type) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (identifier)))))))) alternative: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (expression_statement (assignment_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: 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(identifier)) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (string_literal)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) 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