Will Dampier

Drexel University

Attivo dal 2009

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Professional Interests: bioinformatics

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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...

circa 12 anni fa | 1 risposta | 1

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

oltre 12 anni fa

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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...

oltre 12 anni fa

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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...

oltre 12 anni fa

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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...

oltre 12 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]; ...

oltre 12 anni fa

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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,...

oltre 12 anni fa

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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....

oltre 12 anni fa

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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...

oltre 12 anni fa

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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 ...

oltre 12 anni fa

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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...

oltre 12 anni fa

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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...

oltre 12 anni fa

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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...

oltre 12 anni fa

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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...

oltre 12 anni fa

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

oltre 12 anni fa

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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 ...

oltre 12 anni fa

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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 ...

oltre 12 anni fa

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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 ...

oltre 12 anni fa

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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:...

oltre 12 anni fa

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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...

oltre 13 anni fa

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

oltre 13 anni fa

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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...

oltre 13 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...

circa 14 anni fa | 1 risposta | 0

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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...

oltre 14 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....

oltre 14 anni fa | 0 risposte | 0

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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 ...

oltre 14 anni fa | 0

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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...

oltre 14 anni fa | 1

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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...

oltre 14 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.

oltre 15 anni fa | 2 download |

4.0 / 5

Inviato

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

quasi 16 anni fa | 1 download |

0.0 / 5