Discussion
Congratulations to William!
I was browsing the MathWorks website and decided to check the Cody leaderboard. To my surprise, William has now solved 5,000 pro...
2 years ago | 16
Solved
Creating a matrix by taking shifted copies of a given vector v as columns
This problem is the same as the problem 761 except that here we are testing it for any given vector ; a row or column vector. Th...
2 years ago
Discussion
+1 for Backwards Loops!
Base case: Suppose you need to do a computation many times. We are going to assume that this computation cannot be vectorized. ...
2 years ago | 15
Discussion
Trick: Easy Digit Manipulation
There are a host of problems on Cody that require manipulation of the digits of a number. Examples include summing the digits of...
2 years ago | 4
Poll
Which of the following is not a built-in string-checking function?
2 years ago | 2455 votes | 6 comments
Poll
How many code files are typically in your MATLAB Projects (scripts, functions, classes, tests)?
2 years ago | 4070 votes | 11 comments
Poll
Which of the following does not return the correct length (5) of v = [6,2,9,7,3]?
2 years ago | 2537 votes | 4 comments
Solved
Update course numbers and abbreviations
Suppose that the educational institution where you teach purchases new software to handle many essential functions, including co...
2 years ago
Solved
Remove a specific character with another
Remove any (-) dash sign with (_) underscore Ex = 'The-Journey-of-thoudsands-miles-starts-with-a-single-step' y = 'The_Jour...
2 years ago
Solved
Swap between first and last
The idea is to swap between first and last row Ex = [1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; ...
2 years ago
Solved
Swap between first and last column
The idea is to swap between first and last column Ex = [1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; 1 2 3 ...
2 years ago
Poll
Which of the following is not really a missing value? (Or, which option is false?)
2 years ago | 896 votes | 3 comments
Smart Indenting now Removes Whitespace
Release 2024a includes a setting for this!! The following code will stop smart indenting from removing white space: s = setting...
2 years ago | 2
| accepted
Unwanted editor behavior: whitespace only lines trimmed
Release 2024a includes a setting for this!! The following code will stop smart indenting from removing white space: s = setting...
2 years ago | 1
Smart indent new bheaviour (removing whitespaces) is messing with Git
Release 2024a includes a setting for this!! The following code will stop smart indenting from removing white space: s = setting...
2 years ago | 1
Poll
Which does NOT return sorted output for a vector of unique values (e.g., v = [3,7,2,5,1])?
2 years ago | 1193 votes | 3 comments
Poll
Which of the following will not result in MATLAB as the output? (It may be a string or char. array.)
2 years ago | 2929 votes | 8 comments
Poll
Which of the following will not produce a 3x3 array of zeros in MATLAB?
2 years ago | 3009 votes | 12 comments
Solved
Swap between rows
The idea is to swap between second and second last row Ex = [1 2 3 4 5; 5 4 3 2 1; 1 2 3 4 5; 1 2 3 4 5; ...
2 years ago
Solved
Swap between columns
The idea is to swap between second and second last column Ex = [1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; ...
2 years ago
Solved
Remove a specific column with min value
Remove the column that contain the min value in the matrix?
2 years ago
Solved
Remove a specific column with max value
Remove the column that contain the max value in the matrix?
2 years ago
Solved
Remove a specific row with min value
Remove the row that contain the min value in the matrix?
2 years ago
Solved
Remove a specific row with max value
Remove the row that contain the max value in the matrix?
2 years ago
Solved
Find Rows with Specift Properities
Delete rows with specific properites as following: Find rows that have a negative value in any element of the row and delete it...
2 years ago
Solved
Summation of Non Zeros Numbers in String Variable
Find the Summation of Non Zeros Numbers in String Variable The input : x = '100205' The Output : y = 8
2 years ago