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Will Dampier


Drexel University

Attivo dal 2009

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Professional Interests: bioinformatics

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Domanda


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...

oltre 10 anni fa | 1 risposta | 1

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risposta

Risolto


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

quasi 11 anni fa

Risolto


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...

quasi 11 anni fa

Risolto


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...

quasi 11 anni fa

Risolto


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...

quasi 11 anni fa

Risolto


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]; ...

quasi 11 anni fa

Risolto


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,...

quasi 11 anni fa

Risolto


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....

quasi 11 anni fa

Risolto


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...

quasi 11 anni fa

Risolto


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 ...

quasi 11 anni fa

Risolto


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...

quasi 11 anni fa

Risolto


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...

quasi 11 anni fa

Risolto


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...

quasi 11 anni fa

Risolto


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...

quasi 11 anni fa

Risolto


Add two numbers
Given a and b, return the sum a+b in c.

quasi 11 anni fa

Risolto


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 ...

quasi 11 anni fa

Risolto


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 ...

quasi 11 anni fa

Risolto


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 ...

quasi 11 anni fa

Risolto


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:...

quasi 11 anni fa

Risolto


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...

circa 12 anni fa

Risolto


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

circa 12 anni fa

Risolto


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...

circa 12 anni fa

Domanda


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...

oltre 12 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

quasi 13 anni fa | 1 risposta | 0

1

risposta

Domanda


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....

quasi 13 anni fa | 0 risposte | 0

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risposte

Risposto
Using 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 ...

quasi 13 anni fa | 0

Risposto
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...

quasi 13 anni fa | 1

| accettato

Domanda


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...

circa 13 anni fa | 1 risposta | 0

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Inviato


SeqLogoFig
This is a wrapper around the bioinformatics SeqLogo function that creates a REAL matlab figure.

circa 14 anni fa | 2 download |

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Inviato


RefineAlignments
A tool which can refine a set of multiple alignments to reduce the global alignment score.

oltre 14 anni fa | 1 download |