Sam Roberts
XMW Consulting
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XMW Consulting provides consultancy services in the areas of data mining and statistical analysis, specializing in the development of technical algorithms and applications with MATLAB®. http://www.xmwconsulting.co.uk http://www.xmwconsulting.co.uk/backslashblog http://www.linkedin.com/in/samroberts http://www.twitter.com/sllroberts Professional Interests: Data Mining | Statistics | MATLAB | Consultancy
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Feeds
Resuelto
Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...
más de 13 años hace
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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0
más de 13 años hace
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The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".
más de 13 años hace
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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...
más de 13 años hace
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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...
más de 13 años hace
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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...
más de 13 años hace
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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
más de 13 años hace
Pregunta
Force doc command to open a specified reference HTML page
Say I've written a class in a package, called mypackage.myclass. I've written my own HTML documentation for the package and ...
más de 13 años hace | 0 respuestas | 3
0
respuestasResuelto
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...
casi 14 años hace
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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...
casi 14 años hace
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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 ...
casi 14 años hace
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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...
casi 14 años hace
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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 ...
casi 14 años hace
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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...
casi 14 años hace
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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.
casi 14 años hace
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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 ...
casi 14 años hace
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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...
casi 14 años hace
Resuelto
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:...
casi 14 años hace
Pregunta
Defining additional infix operators in MATLAB
Is there a way to define additional infix operators in MATLAB? Specifically, I'd like to define two infix operators "->" and ...
alrededor de 14 años hace | 1 respuesta | 0
1
respuestachanging color while using 'hist' in a bar-plot
Try: h = bar(y,'hist'); set(h,'FaceColor','r','EdgeColor','r'); If you take a look at the <http://www.mathworks.co.uk/help...
alrededor de 14 años hace | 2
| aceptada
Problems starting Excel server
I ran into a similar issue recently. Are you working with the Click-to-Run edition of Microsoft Office? The click-to-run edit...
alrededor de 14 años hace | 3
