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Cell joiner

You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

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Target sorting

Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

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Sort a list of complex numbers based on far they are from the origin.

Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

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Elapsed Time

Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...

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Fibonacci sequence

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

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Check if sorted

Check if sorted. Example: Input x = [1 2 0] Output y is 0

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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...

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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...

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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...

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Who Has the Most Change?

You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

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Back and Forth Rows

Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

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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...

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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...

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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...

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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 ...

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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...

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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...

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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 ...

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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...

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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.

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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 ...

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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:...

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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...

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Accessing Bloomberg through Datafeed toolbox

You could try using the blp command, it uses the new interface. >> con = blp(); >> getdata(con,'EURUSD Curncy','Last_Pri...

Accessing Bloomberg through Datafeed toolbox

You could try using the blp command, it uses the new interface. >> con = blp(); >> getdata(con,'EURUSD Curncy','Last_Pri...

alrededor de 9 años ago | 0

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NVIDIA GPU recommendation: Mac (OSX 10.6.x - 64bit server)

I would suggest you look at the amount of RAM your problem needs and make sure your choice exceeds that amount, otherwise you wi...

NVIDIA GPU recommendation: Mac (OSX 10.6.x - 64bit server)

I would suggest you look at the amount of RAM your problem needs and make sure your choice exceeds that amount, otherwise you wi...

más de 9 años ago | 0

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Training Neural Networks using GPU computing

I think that would be a great feature to have out of the box. In the meantime, I read this paper which talks a bit about it, y...

Training Neural Networks using GPU computing

I think that would be a great feature to have out of the box. In the meantime, I read this paper which talks a bit about it, y...

más de 9 años ago | 0

Question

Neural networks "view to file"

Hi, I would like export the architecture of my neural network to a graphics file but it seems like the view command is only a...

más de 9 años ago | 0 answers | 0

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matlab preloaded 'load' files

Hi, The list depends on which toolboxes you have. You could try to search the MATLAB directory and subdirectories for *.ma...

matlab preloaded 'load' files

Hi, The list depends on which toolboxes you have. You could try to search the MATLAB directory and subdirectories for *.ma...

más de 9 años ago | 0

Question

XML special characters

Hi, I have some code that generates an xml string. For some reason, when I try to use special characters the xmlread function i...

más de 9 años ago | 2 answers | 0