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Carl Witthoft


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Last seen: 2 years ago |  Active since 2015

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Question


Help window is still a CPU pig - R2019a
Continuing the slew of complaints I've found for previous versions: more often than not if I leave the Help window open, in t...

2 years ago | 1 answer | 0

1

answer

Submitted


newd
A "cd" replacement that allows use of tilde for home directory on Windows systems

2 years ago | 2 downloads |

Answered
Typecasting higher dimension matrices
If you know a little bit about your 2D array in advance, then try this - seemed to work for me Here I know my columns are 4*N ...

4 years ago | 0

Answered
Obtaining all the indices of matached elements of one array in another
If your version of MATLAB isn't too old, look up help on intersect, to wit; [dat, idxa, idxb] = intersect(a,b,'stable')

5 years ago | 0

Submitted


Replacement for CLEAR to avoid destructive behavior
this clear.m ensures you'll never accidentally type "clear" or "clear all" and wipe your workspace.

5 years ago | 1 download |

Answered
How to set legend marker size
Best way: see Stackoverflow question 2871747 % thanks to , Luis Mendo and Lea [~, objh] = legend({'one plot', 'another plot'...

5 years ago | 5

Question


Why is text() unable to orient output in 3 axes?
text(x,y,z,string,'rotation',theta) is only capable of rotating about one axis, and even more annoyingly the text rotates on its...

7 years ago | 1 answer | 0

1

answer

Submitted


why(varargin)
Enhanced version of MATLAB: base:why

7 years ago | 1 download |

Submitted


fitconicsections package
Fit data to conic section curves

8 years ago | 2 downloads |

Submitted


clplot( x, y, cutval, cols, varargin )
Creates a line plot whose color depends on which 'slice' of the y-range the y-value falls into.

9 years ago | 1 download |

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Question


Why isn't strfind written to return a value in all cases?
A very common programming question (e.g. <http://www.mathworks.com/matlabcentral/answers/167892-why-does-the-absolutely-not-work...

9 years ago | 1 answer | 0

1

answer

Solved


Increment a number, given its digits
Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...

9 years ago

Solved


Matrix of almost all zeros, except for main diagonal
Write a program to input an integer n and build a n-by-n matrix with the numbers 1,2,...,n on the main diagonal and zeros elsewh...

9 years ago

Solved


Knight's Tour Checker
Given a matrix a, determine whether or not a legal <http://en.wikipedia.org/wiki/Knight's_tour knight's tour> is present. The kn...

9 years ago

Solved


Create an array (n,n) where only diagonal elements are '1' and others are '0'
Create an array (n,n) where only diagonal elements are '1' and others are '0' EX: n = 3; then Resultant array would be [ 1 0...

9 years ago

Solved


Sum my indices
Given inputs M and N (in that order), output an MxN matrix whose entries are equal to the sum of their indices. Example input...

9 years ago

Solved


Small aircraft weight limit
Write an if-else statement that evaluates to true if the sum of passengerWeight and cargoWeight is less than or equal maxWeight....

9 years ago

Solved


Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

9 years ago

Solved


Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

9 years ago

Solved


Writing a while loop
Write a while loop that continues to increment userValue by 5 until userValue is less than 0.

9 years ago

Solved


Determine the full width at half max
Determine the full width at half max of a curve. The full width at half maximum (FWHM) is a parameter which is used for desc...

9 years ago

Solved


What's the missing interior angle?
I'm talking about polygons... The sum of the interior angles of a triangle is 180 degrees. The sum of the interior angles of a...

9 years ago

Solved


While loop: Summation
Write a while loop that assigns summedValue with the sum of all values from 1 to userNum. Assume userNum is always greater than ...

9 years ago

Solved


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

9 years ago

Solved


Find the two most distant points
Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

9 years ago

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

9 years ago

Solved


The Goldbach Conjecture, Part 2
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

9 years ago

Submitted


fundy(x)
provides values for many fundamental physical constants

9 years ago | 1 download |

Solved


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

9 years ago

Solved


Summing Digits within Text
Given a string with text and digits, add all the numbers together. Examples: Input str = '4 and 20 blackbirds baked in a...

9 years ago

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