Carl Witthoft

Carl Witthoft submitted a Comment to Problem 42708. Placing Beads Neatly in a Box

Can you clarify: does the partial sequence 1-1-0-1 force a failure? Your diagram doesn't seem to allow diagonal paths, so it seems that a single 0 or 1 causes failure.

on 27 Jan 2016

Carl Witthoft submitted Solution 794709 to Problem 145. Increment a number, given its digits

on 16 Dec 2015

Carl Witthoft submitted Solution 794701 to Problem 145. Increment a number, given its digits

on 16 Dec 2015

Carl Witthoft submitted a Comment to Problem 157. The Hitchhiker's Guide to MATLAB

In the spirit of troublemaking: I think the solution should accept text input, e.g. "forty-two"

on 16 Dec 2015

Carl Witthoft submitted a Comment to Problem 722. Make a run-length companion vector

See FileExchange's seqle . (disclaimer: I'm the author)

on 9 Dec 2015

Carl Witthoft submitted Solution 788466 to Problem 42691. Matrix of almost all zeros, except for main diagonal

on 4 Dec 2015

Carl Witthoft submitted a Comment to Solution 492529

wtf?

on 1 Dec 2015

Carl Witthoft submitted Solution 786747 to Problem 96. Knight's Tour Checker

on 1 Dec 2015

Carl Witthoft submitted Solution 786266 to Problem 42456. Create an array (n,n) where only diagonal elements are '1' and others are '0'

on 30 Nov 2015

Carl Witthoft submitted Solution 786250 to Problem 42456. Create an array (n,n) where only diagonal elements are '1' and others are '0'

on 30 Nov 2015

Carl Witthoft submitted Solution 786249 to Problem 42456. Create an array (n,n) where only diagonal elements are '1' and others are '0'

on 30 Nov 2015

Carl Witthoft submitted Solution 783895 to Problem 42519. Sum My Indices

on 25 Nov 2015

Carl Witthoft submitted a Comment to Problem 42519. Sum My Indices

Marginally related: my "outer.m" on FileExchange.

on 25 Nov 2015

Carl Witthoft submitted a Comment to Problem 42460. The cake is a lie...

death^H^H^H^Hservings by a thousand cuts

on 25 Nov 2015

Carl Witthoft submitted Solution 783450 to Problem 22. Remove the vowels

on 24 Nov 2015

Carl Witthoft submitted Solution 783444 to Problem 49. Sums with Excluded Digits

on 24 Nov 2015

Carl Witthoft submitted a Comment to Solution 783272

This fails, I believe, for asymmetric peaks. Try y = [0:4 , 3:-1:1,1,1,1,1,1]

on 24 Nov 2015

Carl Witthoft submitted Solution 783316 to Problem 42688. Determine the full width at half max

on 24 Nov 2015

Carl Witthoft submitted a Comment to Problem 42688. Determine the full width at half max

Ahh, yes. Sorry, my bad

on 24 Nov 2015

Carl Witthoft submitted Solution 782986 to Problem 42686. What's the missing interior angle?

on 23 Nov 2015

Carl Witthoft submitted a Comment to Solution 387795

I think it works w/ just x*[1;i] . No need to convert from a string.

on 23 Nov 2015

Carl Witthoft submitted a Comment to Solution 81500

I don't know why Cody allows answers which depend on toolboxes. The whole point should be to write one's own "distance" function.

on 23 Nov 2015

Carl Witthoft submitted Solution 782831 to Problem 12. Fibonacci sequence

on 23 Nov 2015

Carl Witthoft submitted Solution 782830 to Problem 51. Find the two most distant points

on 23 Nov 2015

Carl Witthoft submitted Solution 782756 to Problem 51. Find the two most distant points

on 23 Nov 2015

Carl Witthoft submitted a Comment to Problem 51. Find the two most distant points

You need to specify "Euclidean" distance :-)

on 20 Nov 2015

Carl Witthoft submitted Solution 781409 to Problem 4. Make a checkerboard matrix

on 20 Nov 2015

Carl Witthoft submitted Solution 781408 to Problem 4. Make a checkerboard matrix

on 20 Nov 2015

Carl Witthoft submitted Solution 781407 to Problem 64. The Goldbach Conjecture, Part 2

on 20 Nov 2015

Carl Witthoft submitted Solution 781176 to Problem 7. Column Removal

on 19 Nov 2015

Carl Witthoft submitted Solution 781174 to Problem 57. Summing Digits within Text

on 19 Nov 2015

Carl Witthoft submitted Solution 781125 to Problem 48. Making change

on 19 Nov 2015

Carl Witthoft submitted Solution 781105 to Problem 48. Making change

on 19 Nov 2015

Carl Witthoft submitted Solution 780768 to Problem 19. Swap the first and last columns

on 18 Nov 2015

Carl Witthoft submitted Solution 780766 to Problem 57. Summing Digits within Text

on 18 Nov 2015

Carl Witthoft submitted Solution 780765 to Problem 57. Summing Digits within Text

on 18 Nov 2015

Carl Witthoft submitted a Comment to Problem 57. Summing Digits within Text

What if there are decimals "I have $3.25 in 4 pockets" ? Should the answer be 7.25 or 32?

on 18 Nov 2015

Carl Witthoft submitted Solution 780763 to Problem 57. Summing Digits within Text

on 18 Nov 2015

Carl Witthoft submitted Solution 780553 to Problem 34. Binary numbers

on 18 Nov 2015

Carl Witthoft submitted Solution 780239 to Problem 94. Target sorting

on 17 Nov 2015

Carl Witthoft submitted Solution 780238 to Problem 94. Target sorting

on 17 Nov 2015

Carl Witthoft submitted Solution 780128 to Problem 5. Triangle Numbers

on 17 Nov 2015

Carl Witthoft submitted a Comment to Problem 40. Reverse Run-Length Encoder

See my function "seqle" on FileExchange. It may not be as compact, but it's easy to use and both encodes and decodes.

on 17 Nov 2015

Carl Witthoft submitted Solution 779467 to Problem 74. Balanced number

on 16 Nov 2015

Carl Witthoft submitted Solution 779456 to Problem 6. Select every other element of a vector

on 16 Nov 2015

Carl Witthoft submitted Solution 779454 to Problem 74. Balanced number

on 16 Nov 2015

Carl Witthoft submitted Solution 777610 to Problem 16. Return the largest number that is adjacent to a zero

on 12 Nov 2015

Carl Witthoft submitted Solution 777600 to Problem 29. Nearest Numbers

on 12 Nov 2015

Carl Witthoft submitted Solution 776526 to Problem 11. Back and Forth Rows

on 11 Nov 2015

Carl Witthoft submitted Solution 776518 to Problem 11. Back and Forth Rows

on 11 Nov 2015

11565

11565

2

2

460

460