demo@PDB1> select to_char(y,'fm0.0') as final_values
  2  from dual
  3  model
  4     return updated rows
  5     dimension by (0 as x)
  6     measures( 0 y )
  7     rules(
  8             y[ for x from 0.7 to 4.5 increment 0.1 ] = cv(x))
  9  /

FINA
----
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4.0
4.1
4.2
4.3
4.4
4.5

39 rows selected.

demo@PDB1>