photo

Jan


Last seen: 6 maanden ago Active since 2009

Followers: 17   Following: 0

It is easier to solve a problem than to guess, what the problem is. Questions about FileExchange submissions are welcome - get my address from the code. I do not answer mails concerning questions in the forum.

Statistics

All
MATLAB Answers

83 Questions
15.236 Answers

File Exchange

52 Files

Cody

0 Problems
85 Solutions

RANK
4
of 298.905

REPUTATION
41.509

CONTRIBUTIONS
83 Questions
15.236 Answers

ANSWER ACCEPTANCE
79.52%

VOTES RECEIVED
9.740

RANK
67 of 20.656

REPUTATION
13.161

AVERAGE RATING
4.80

CONTRIBUTIONS
52 Files

DOWNLOADS
182

ALL TIME DOWNLOADS
117588

RANK
7.640
of 162.856

CONTRIBUTIONS
0 Problems
85 Solutions

SCORE
871

NUMBER OF BADGES
3

CONTRIBUTIONS
0 Posts

CONTRIBUTIONS
0 Public Channels

AVERAGE RATING

CONTRIBUTIONS
0 Highlights

AVERAGE NO. OF LIKES

  • Most Accepted 2022
  • Most Accepted 2021
  • Promoter
  • Commenter
  • Explorer
  • Personal Best Downloads Level 4
  • Editor's Pick
  • First Review
  • 5-Star Galaxy Level 5
  • First Submission
  • Grand Master
  • Revival Level 4

View badges

Feeds

Solved


Calculate cosine without cos(x)
Solve cos(x). The use of the function cos() and sin() is not allowed.

bijna 4 jaar ago

Solved


Swap two numbers
Example Input: a = 10 b = 20 Output a = 20 b = 10

meer dan 7 jaar ago

Solved


Elapsed Time
Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...

ongeveer 13 jaar ago

Solved


Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

ongeveer 13 jaar ago

Solved


Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

ongeveer 13 jaar ago

Solved


Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

ongeveer 13 jaar ago

Solved


Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

ongeveer 13 jaar ago

Solved


Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

ongeveer 13 jaar ago

Solved


radius of a spherical planet
you just measured its surface area, that is the input.

ongeveer 13 jaar ago

Solved


Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

ongeveer 13 jaar ago

Solved


Kaprekar Steps
6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...

ongeveer 13 jaar ago

Solved


Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

ongeveer 13 jaar ago

Solved


Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

ongeveer 13 jaar ago

Solved


letter yes yes & letter no no
Split a string into two strings, first string has all alphabetic letters, next string has all the rest, keep the order please, o...

ongeveer 13 jaar ago

Solved


Tricky timing
Write a function that takes between 0.5 seconds and 0.6 seconds to run.

ongeveer 13 jaar ago

Solved


Find matching string from a list of strings
Write a function that returns a string that is a unique match (if it exists) of the string |inStr| from a list of strings |strLi...

ongeveer 13 jaar ago

Solved


All capital?
Are all the letters in the input string capital letters? Examples: 'MNOP' -> 1 'MN0P' -> 0

meer dan 13 jaar ago

Solved


Trimming Spaces
Given a string, remove all leading and trailing spaces (where space is defined as ASCII 32). Input a = ' singular value deco...

meer dan 13 jaar ago

Solved


Formatting currency numbers
Given a number, format it properly for textual display using the notation $xxx,xxx,xxx.xx. Assume that no more than two digits ...

meer dan 13 jaar ago

Solved


Back to basics 1 - Saving
Covering some basic topics I haven't seen elsewhere on Cody. Given an input variable 'x', save it to disk in a file named 'co...

meer dan 13 jaar ago

Solved


Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

meer dan 13 jaar ago

Solved


Test for balanced parentheses
Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

meer dan 13 jaar ago

Solved


Subset Sum
Given a vector v of integers and an integer n, return the the indices of v (as a row vector in ascending order) that sum to n. I...

meer dan 13 jaar ago

Solved


Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

meer dan 13 jaar ago

Solved


Program an exclusive OR operation with logical operators
Program an exclusive or operation *without* using the MATLAB function xor. Use logical operators like |, &, ~, ... instead. ...

meer dan 13 jaar ago

Solved


Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

meer dan 13 jaar ago

Solved


Remove NaN ?
input -> matrix (n*m) with at least one element equal to NaN; output -> matrix(p*m), the same matrix where we deleted the enti...

meer dan 13 jaar ago

Solved


Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...

meer dan 13 jaar ago

Solved


Solve the set of simultaneous linear equations
Given this pair of simultaneous linear equations: 2x + 3y = 23 3x + 4y = 32 Find the solution set (x,y)

meer dan 13 jaar ago

Solved


Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

meer dan 13 jaar ago

Load more