Pierre

ViTechnology

2011년부터 활동

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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...

12년 초과 전

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Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

12년 초과 전

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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...

12년 초과 전

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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...

12년 초과 전

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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...

12년 초과 전

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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...

12년 초과 전

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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 ...

12년 초과 전

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

12년 초과 전

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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

12년 초과 전

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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...

12년 초과 전

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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.

거의 13년 전

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How to find out the radius and center of unknown circle and reconstruct the circle with calculated radius.
You should have a look at the Hough transform in its general form and its application to circles in particular. It allows to det...

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Duplicate each element of a vector.
for an n-dimensional vector x, the function should return another vector 2n-dimension which each element is repeated twice. Ex...

13년 초과 전

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Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...

13년 초과 전

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Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

13년 초과 전

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Number of Horns on a unicorn!
Calculate the number of horns on a *unicorn*! And I'm talking about a unicorn with not more than one horn on it!

13년 초과 전

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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 ...

13년 초과 전

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

13년 초과 전

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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...

13년 초과 전

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

13년 초과 전

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

13년 초과 전

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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 ...

13년 초과 전

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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...

13년 초과 전

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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:...

13년 초과 전

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[DEPRECATED] What frustrates you about MATLAB?
# I'd really appreciate improved MEX-debugging capabilities on Linux systems in regard to the user: Seriously, we're still using...

14년 초과 전 | 2

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using matlab engine from c++: How to convert a int** into mxArray*
I didn't really get your posted code as it requires some guessing, but let me point out a few things: 1. While you might be u...

14년 초과 전 | 0

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Convert C struct to matlab struct
I never did that in particular, but I personally consider there are three approaches: 1. Receive the byte-stream as is, but t...

14년 초과 전 | 0

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Incorrect "Creating an instance of the Abstract class is not allowed"
|query_dev| inherits the abstract methods methods (Abstract) S = assembleStatement(obj); submitStatement(obj); ...

14년 초과 전 | 1

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Finding the second smallest value in each column of an array?
You could simply take advantage of Bruno Luong's <http://www.mathworks.com/matlabcentral/fileexchange/23576-minmax-selection Min...

14년 초과 전 | 1

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dilatasi erosi ..... what it is?
See <http://en.wikipedia.org/wiki/Mathematical_morphology mathematical morphology> on Wiki.

14년 초과 전 | 0