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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...

1 year ago

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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...

1 year ago

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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...

1 year ago

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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...

1 year ago

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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...

1 year ago

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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 ...

1 year ago

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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...

1 year ago

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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...

1 year ago

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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. Examp...

1 year ago

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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 ...

1 year ago

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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...

1 year ago

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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:...

1 year 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...

4 years ago | 0 answers | 0

Answered

how do I gather() a variable in atomicAdd()?

Try this: [c, ato] = feval(gpuadd, c,ato,b); out = gather(ato);

how do I gather() a variable in atomicAdd()?

Try this: [c, ato] = feval(gpuadd, c,ato,b); out = gather(ato);

7 years 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...

7 years ago | 2 answers | 0

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...

7 years ago | 0 answers | 0

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 ...

8 years ago | 2 answers | 0

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...

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...

8 years 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...

8 years ago | 2 answers | 0