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Raymond Norris


MathWorks

36 total contributions since 2003

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Answered
Silent install MATLAB on AWS
Hi, We've recently posted a reference architecture on GitHub for MATLAB on AWS. https://github.com/mathworks-ref-arch/m...

alrededor de 1 año ago | 0

Submitted


ClusterInfo
Used for passing parameters to third party schedulers

casi 3 años ago | 1 download |

Answered
Continious message "starting parallel pool (parpool) using the local profile"?
It might be because both pools are accessing the same JobStorageLocation. If you're going to run two instances of MATLAB and a ...

más de 4 años ago | 0

Answered
Is it possible to run job from client on server with different version?
Hi, The versions have to match. In your case, imagine if you're using a feature in R2014b that's not supported in R2014a -- ...

más de 4 años ago | 0

| accepted

Answered
How to make sure matlab uses all the cores on a remote cluster ?
Try running the following code. Set N to the number of cores you want to run on. This should take ~4 seconds to run. N = ...

más de 4 años ago | 0

| accepted

Answered
parfor on a supercomputer
I would suggest contacting MathWorks Technical Support (support@mathworks.com)

casi 5 años ago | 0

Answered
How to reset the 'default' RemoteClusterAccess object?
I thought that was where this might be going :) There should be a function, ClusterInfo. Call >> ClusterInfo.state Dis...

casi 5 años ago | 0

| accepted

Answered
Can this implementation of Matlabpool in parallel?
The code will run in parallel. Keep in mind, one path may run quicker than the other paths, so you may nee to create a "barrie...

casi 5 años ago | 0

| accepted

Answered
How to use a Windows 7 MATLAB client on a Ubuntu based MATLAB cluster?
The issue may be that the Linux cluster can't resolve bowser. Run the following before validation pctconfig('hostname','<i...

casi 5 años ago | 0

Answered
parallel call external exe file?
Have you tried calling system? By the way, as it's written, you don't need eval, you ought to be able to just use !

casi 5 años ago | 0

Answered
Im having trouble fixing the "cannot be classified error" in my parfor loop (The variable perror in a parfor cannot be classified)
The formatting of the code isn't displaying properly, so I may not have the same code you have. Could you reformat it? Assumin...

casi 5 años ago | 0

| accepted

Answered
Parallel computing on multiple computers in a Network
Hi, In order to run a MATLAB Pool across multiple computers, use the <http://www.mathworks.com/products/distriben/ MATLAB Dis...

alrededor de 5 años ago | 2

Answered
SLURM Distributed Computing error
If it helps, there are SLURM integration scripts on File Exchange http://www.mathworks.com/matlabcentral/fileexchange/2991...

más de 5 años ago | 0

Answered
Undefined function or variable 'querybuilder'.
The querybuilder function is part of the Database Toolbox. You can find more information <http://www.mathworks.com/products/dat...

más de 6 años ago | 0

| accepted

Solved


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...

más de 7 años ago

Solved


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

más de 7 años ago

Solved


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

más de 7 años ago

Solved


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 7 años ago

Solved


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...

más de 7 años ago

Solved


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 7 años 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...

más de 7 años 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 ...

más de 7 años 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...

más de 7 años 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...

más de 7 años 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 ...

más de 7 años 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...

más de 7 años 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 ...

más de 7 años ago

Solved


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

más de 7 años ago

Solved


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

más de 7 años 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:...

más de 7 años ago

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