Horner's rule for polynomial evaluation: Difference between revisions
Content added Content deleted
(add scala example) |
|||
| Line 478: | Line 478: | ||
p horner([-19, 7, -4, 6], 3) # ==> 128</lang> |
p horner([-19, 7, -4, 6], 3) # ==> 128</lang> |
||
=={{header|Scala}}== |
|||
<lang scala>def horner(coeffs:List[Double], x:Double)= |
|||
coeffs.reverse.foldLeft(0.0){(a,c)=> a*x+c} |
|||
</lang> |
|||
<lang scala>val coeffs=List(-19.0, 7.0, -4.0, 6.0) |
|||
println(horner(coeffs, 3)) |
|||
-> 128.0 |
|||
</lang> |
|||
=={{header|Sather}}== |
=={{header|Sather}}== |
||
<lang sather>class MAIN is |
<lang sather>class MAIN is |
||