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Challenges Evaluate a single variable polynomial equation

BQN, 13 bytes {+ยด(๐•จโ‹†โ†•โ‰ ๐•ฉ)ร—๐•ฉ} { } # fn +ยด # sum reduce (๐•จโ‹†โ†•โ‰ ๐•ฉ) # x^i for each term ร—๐•ฉ # times each coefficient Try it

posted 3y ago by snail_โ€ญ  ·  edited 3y ago by snail_โ€ญ

Answer
#2: Post edited by user avatar snail_โ€ญ · 2022-01-05T10:22:13Z (almost 3 years ago)
  • # BQN, 14 bytes
  • ```bqn
  • {+ยด(๐•จโ‹†โ†•โ‰ ๐•ฉ)ร—ยจ๐•ฉ}
  • { } # fn
  • +ยด # sum reduce
  • (๐•จโ‹†โ†•โ‰ ๐•ฉ) # x^i for each term
  • ร—ยจ๐•ฉ # times each coefficient
  • ```
  • [Try it](https://mlochbaum.github.io/BQN/try.html#code=RuKGkHsrwrQo8J2VqOKLhuKGleKJoPCdlakpw5fCqPCdlal9Cgp44oaQMC41Cm5z4oaQ4p+oMi41LDIuMOKfqQoKeCBGIG5z)
  • # BQN, 13 bytes
  • ```bqn
  • {+ยด(๐•จโ‹†โ†•โ‰ ๐•ฉ)ร—๐•ฉ}
  • { } # fn
  • +ยด # sum reduce
  • (๐•จโ‹†โ†•โ‰ ๐•ฉ) # x^i for each term
  • ร—๐•ฉ # times each coefficient
  • ```
  • [Try it](https://mlochbaum.github.io/BQN/try.html#code=RuKGkHsrwrQo8J2VqOKLhuKGleKJoPCdlakpw5fCqPCdlal9Cgp44oaQMC41Cm5z4oaQ4p+oMi41LDIuMOKfqQoKeCBGIG5z)
#1: Initial revision by user avatar snail_โ€ญ · 2022-01-05T10:19:56Z (almost 3 years ago)
# BQN, 14 bytes

```bqn
{+ยด(๐•จโ‹†โ†•โ‰ ๐•ฉ)ร—ยจ๐•ฉ}

{            }  # fn
 +ยด             # sum reduce
   (๐•จโ‹†โ†•โ‰ ๐•ฉ)      # x^i for each term
          ร—ยจ๐•ฉ   # times each coefficient
```

[Try it](https://mlochbaum.github.io/BQN/try.html#code=RuKGkHsrwrQo8J2VqOKLhuKGleKJoPCdlakpw5fCqPCdlal9Cgp44oaQMC41Cm5z4oaQ4p+oMi41LDIuMOKfqQoKeCBGIG5z)