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Activity for romanp‭

Type On... Excerpt Status Date
Edit Post #286427 Initial revision over 2 years ago
Article Double the Size of an Image
Double the Size of an Image == Take, as input, an image or a list of values for each pixel, and return an image or list of pixel values for an image of twice the size in each direction. Specific Rules -- The input can be in any image format, including a list of lists of RGB values, as long as ...
(more)
over 2 years ago
Edit Post #286424 Post edited:
over 2 years ago
Edit Post #286424 Post edited:
over 2 years ago
Edit Post #286424 Initial revision over 2 years ago
Answer A: Collatz conjecture; Count the tries to reach $1$
[Wolfram Language (Mathematica)], 38 bytes Tr[1^ResourceFunction["Collatz"]@#]-1& Don't Try it online! Doesn't work on TIO due to using the Collatz builtin which needs to be downloaded from the Function Repository Relatively badly-golfed version without ResourceFunction (52 by...
(more)
over 2 years ago
Edit Post #286423 Initial revision over 2 years ago
Answer A: Word Count Tool
[Wolfram Language (Mathematica)], 70 bytes {Tr[1^StringSplit@#],StringLength@#,StringLength@StringDelete[#," "]}& Try it online! What made me decide to use Mathematica for string processing? I don't know. But at least it has the required builtins.
(more)
over 2 years ago