dhyun

Duke University

Aktiv seit 2011

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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...

etwa 10 Jahre vor

Gelöst

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...

etwa 10 Jahre vor

Gelöst

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...

etwa 10 Jahre vor

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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 ...

etwa 10 Jahre vor

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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...

etwa 10 Jahre vor

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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 ...

etwa 10 Jahre vor

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Is my wife right?
Regardless of input, output the string 'yes'.

etwa 10 Jahre vor

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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...

etwa 10 Jahre vor

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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.

etwa 10 Jahre vor

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

etwa 10 Jahre vor

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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 ...

etwa 10 Jahre vor

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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...

etwa 10 Jahre vor

Gelöst

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:...

etwa 10 Jahre vor

Frage

clear mex causes segmentation fault when using cuda RT API
Hi all, I have a mex function with CUDA code in it so that I can take advantage of my Quadro 4000 gpu (Driver version 4.2 / R...

mehr als 13 Jahre vor | 1 Antwort | 0

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mex, mwblas, and multithreading: controlling the number of threads
Hello, Since maxNumCompThreads is going to be removed, does anyone know of another way to limit the number of cores utilized wh...

mehr als 14 Jahre vor | 1 Antwort | 1

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Beantwortet
Counting zeros
one method you could use is to find the first position where a == 1 and then subtract 1 from it: num_zeros = find(a == 1, 1...

mehr als 14 Jahre vor | 1

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