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Will Dampier
Drexel University
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Professional Interests: bioinformatics
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Question
Creating backwards compatible p-code for teaching purposes
I am teaching some matlab classes and we have some version-ing issues ... some students use versions as old as 2008b and some of...
ungefär 11 år ago | 1 answer | 1
1
answerSolved
Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...
ungefär 11 år ago
Solved
Return elements unique to either input
Given two numeric inputs a and b, return a row vector that contains the numbers found in only a or only b, but not both. For ex...
ungefär 11 år ago
Solved
Duplicate each element of a vector.
for an n-dimensional vector x, the function should return another vector 2n-dimension which each element is repeated twice. Ex...
ungefär 11 år ago
Solved
Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples : n=2, A=[1 2 3] -> [1 1 2 2 3 3] n=0...
ungefär 11 år ago
Solved
Matrix which contains the values of an other matrix A at the given locations.
If you have two matrices, which together give xc and yc coordinates into another matrix, eg : xc = [1 1 1; 2 2 1]; ...
ungefär 11 år ago
Solved
Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...
ungefär 11 år ago
Solved
Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....
ungefär 11 år ago
Solved
Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...
ungefär 11 år ago
Solved
Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...
ungefär 11 år ago
Solved
Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...
ungefär 11 år ago
Solved
Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...
ungefär 11 år ago
Solved
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...
ungefär 11 år ago
Solved
Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...
ungefär 11 år ago
Solved
Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...
ungefär 11 år ago
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 ...
ungefär 11 år ago
Solved
Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
ungefär 11 år ago
Solved
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
ungefär 11 år ago
Solved
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...
mer än 12 år ago
Solved
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
mer än 12 år ago
Solved
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...
mer än 12 år ago
Question
Lower bound on p-value returned by corr
I'm using corr to calculate the p-value for the correlation between two datasets. It keeps returning a p-value of Zero. Do...
ungefär 13 år ago | 1 answer | 0
1
answerQuestion
Creating a backwards compatable p-code file
I am teaching some matlab classes and we have some version-ing issues ... some students use versions as old as 2008b and some of...
ungefär 13 år ago | 1 answer | 0
1
answerQuestion
Combining specific regions of multiple images in a stripe pattern.
[EDIT: 20110526 15:43 CDT - reformat - WDR] I'm trying to combine images into a "stripe" pattern. Below are two example images....
mer än 13 år ago | 0 answers | 0
0
answersUsing MATLAB with Chessboard arrangements problem
Now, 15 hours after the deadline I've finally gotten all submissions I'll post my solution based on Andrew's solution. Its much ...
mer än 13 år ago | 0
How to import numerous excel files into MATLAB?
You won't be able to load them all at once but you could easily use a for-loop to process them one at a time. Something like thi...
mer än 13 år ago | 1
| accepted
Question
Is there a way to skip "pause" statements
I'm grading hundreds of student assignments using a semi-automated method. However, a large portion of the students have includ...
mer än 13 år ago | 1 answer | 0
1
answerSubmitted
SeqLogoFig
This is a wrapper around the bioinformatics SeqLogo function that creates a REAL matlab figure.
mer än 14 år ago | 2 downloads |
![Thumbnail](/matlabcentral/mlc-downloads/downloads/submissions/27124/versions/1/screenshot.png)
Submitted
RefineAlignments
A tool which can refine a set of multiple alignments to reduce the global alignment score.
nästan 15 år ago | 1 download |