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...
13 years 前
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Weighted average
Given two lists of numbers, determine the weighted average.
Example
[1 2 3] and [10 15 20]
should result in
33.333...
13 years 前
已解决
Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...
13 years 前
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Check if sorted
Check if sorted.
Example:
Input x = [1 2 0]
Output y is 0
13 years 前
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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
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...
13 years 前
已解决
Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...
Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so:
x = [1 2 3 4]
Commas are optional, s...