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Carl Witthoft


Last seen: 약 2달 전

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67 2015 이후 총 참여 횟수

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답변 있음
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 ...

4달 전 | 0

답변 있음
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')

10달 전 | 0

제출됨


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

약 1년 전 | 다운로드 수: 0 |

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

1년 이상 전 | 3

질문


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...

2년 이상 전 | 답변 수: 1 | 0

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답변

제출됨


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

약 3년 전 | 다운로드 수: 1 |

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fitconicsections package
Fit data to conic section curves

3년 이상 전 | 다운로드 수: 3 |

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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.

4년 이상 전 | 다운로드 수: 1 |

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질문


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...

4년 이상 전 | 답변 수: 1 | 0

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해결됨


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...

4년 이상 전

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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...

4년 이상 전

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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...

4년 이상 전

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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...

4년 이상 전

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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...

4년 이상 전

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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....

4년 이상 전

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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...

4년 이상 전

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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...

4년 이상 전

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

4년 이상 전

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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...

4년 이상 전

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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...

4년 이상 전

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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 ...

4년 이상 전

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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...

4년 이상 전

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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...

4년 이상 전

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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...

4년 이상 전

해결됨


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 ...

4년 이상 전

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fundy(x)
provides values for many fundamental physical constants

4년 이상 전 | 다운로드 수: 0 |

해결됨


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 ...

4년 이상 전

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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...

4년 이상 전

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Making change
Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...

4년 이상 전

해결됨


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

4년 이상 전

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