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Dan K


Last seen: ongeveer 4 jaar ago |  Active since 2015

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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...

meer dan 8 jaar ago

Solved


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

meer dan 8 jaar 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 ...

meer dan 8 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 8 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 8 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 8 jaar ago

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

meer dan 8 jaar ago

Solved


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

meer dan 8 jaar ago

Solved


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

meer dan 8 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 8 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 8 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 8 jaar ago

Answered
Using calllib with a function that uses std::vector in its prototype
In case anybody has stumbled across this question, I will tell you what my final solution ended up being. For each top level fu...

meer dan 8 jaar ago | 0

Question


Using calllib with a function that uses std::vector in its prototype
Hi folks, Is there any way to use loadlibrary/calllib to call a function in a DLL where the function is expecting a std::vect...

meer dan 8 jaar ago | 3 answers | 0

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How to find the minimum set of columns in a matrix to ensure every row has at least one nonzero value
Hi. I'm hoping somebody knows of an elegant way to do this. I have an array of logical values MxN. I'm trying to find the m...

meer dan 8 jaar ago | 1 answer | 0

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radius of a spherical planet
you just measured its surface area, that is the input.

bijna 9 jaar ago