Sam Marshalik

MathWorks

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Failed to Start MJS services on 1 of 1 hostnames
This MATLAB Answer should help you resolve this error.

7ヶ月前 | 0

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Parallelizing For Loops - Issue
You may be able to put the contents of the parfor-loop into a separate function and calling that function from that parfor-loop....

7ヶ月前 | 0

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Distributed array to solve a system of linear equations on a cluster
Hey Melissa, I would not think of distributed arrays as a way to speed up your computation. Distributed arrays are useful for ...

2年以上前 | 0

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Why AdditionalPaths of batch() do not work on Web-App-Sever / Parallel Server
Hey Olaf, is this the workflow you are trying to set up: You created an app in Appdesigner which submits a batch job to MATLAB ...

2年以上前 | 0

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What Parallel Computing Toolbox functionality can be used without breaking the code for users without PCT?
You are correct that parfor will run as a serial for-loop without Parallel Computing Toolbox. Starting in R2021...

2年以上前 | 1

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Matlab Parallel Computing - lockdown test error
Can you provide a bit more information as to what you are doing and where you are seeing this error? Can you describe your work...

2年以上前 | 0

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Starting Parallel pool on a cluster
I would suggest to reach out to the MathWorks Technical Support team to troubleshoot this. You can reach them by phone or e-mai...

2年以上前 | 0

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Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

3年以上前

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Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

3年以上前

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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:...

3年以上前

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Parallel Computing Hands-on Workshop
Learn how you can solve computationally and data intensive problems using multicore processors, GPUs, and compute clusters.

3年以上前 | ダウンロード 6 件 |

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Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

約8年前

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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...

約8年前

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How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

約8年前

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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".

約8年前

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Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

約8年前

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Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

約8年前

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Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

約8年前

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

約8年前

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Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

約8年前

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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

約8年前

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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...

約8年前

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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...

約8年前

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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...

約8年前

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

約8年前

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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

約8年前

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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...

約8年前

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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...

8年以上前

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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...

8年以上前

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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...

8年以上前

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Sam Marshalik

MathWorks

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