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m4 Chrennikov


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Last seen: meer dan 3 jaar ago |  Active since 2011

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Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

meer dan 3 jaar ago

Solved


Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

meer dan 3 jaar ago

Solved


Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...

meer dan 3 jaar ago

Solved


Angle between two vectors
You have two vectors , determine the angle between these two vectors For example: u = [0 0 1]; v = [1 0 0]; The a...

meer dan 6 jaar ago

Solved


Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

meer dan 6 jaar ago

Solved


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...

meer dan 6 jaar 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...

meer dan 6 jaar ago

Solved


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...

meer dan 6 jaar ago

Solved


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

meer dan 6 jaar 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 ...

meer dan 6 jaar 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...

meer dan 6 jaar ago

Solved


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...

meer dan 6 jaar 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. Examp...

meer dan 6 jaar 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 ...

meer dan 6 jaar 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...

meer dan 6 jaar 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:...

meer dan 6 jaar ago

Question


binomial distribution with variable probability: code optimisation
Hi Theory is <http://en.wikipedia.org/wiki/Binomial_distribution here>. There is no problem to get pmf: n = 6; p = .2...

bijna 10 jaar ago | 0 answers | 0

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answers

Answered
how do I gather() a variable in atomicAdd()?
Try this: [c, ato] = feval(gpuadd, c,ato,b); out = gather(ato);

meer dan 12 jaar ago | 0

| accepted

Question


CUDA toolkit version | using constant memory
Hi I've installed CUDA toolkit 4.1 instead of 4.0. And now matlab reports some errors depending on kernel that Im trying to c...

meer dan 12 jaar ago | 2 answers | 0

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answers

Question


need help with gpu code
Im trying to use mutex in my code with no luck. Matlab says that kernel reaches timeout. kernel: __global__ void getGr...

bijna 13 jaar ago | 0 answers | 0

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Question


OS works with big lag during CUDAKernell execution
my OS is 32bit winXP SP3 I've noticed that during kernel execution OS works with big lag (about few seconds). Is this normal ...

bijna 13 jaar ago | 2 answers | 0

2

answers

Answered
parallel.gpu.CUDAKernel memory types
Ping! I've read about LDU in Fermi arch, but it isn't clear for me in which cases values from global memory are cached. Could...

bijna 13 jaar ago | 0

Question


parallel.gpu.CUDAKernel memory types
Hi folks. I would like to know which types of CUDA memory I can use with subj matlab object. More specifically I wonder if u...

ongeveer 13 jaar ago | 2 answers | 0

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answers