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Question
Why the weird nested arrayfun is most time effective?
I was writing a simple Autocorrelation function for the matrix array. Each row is a separate time series and we autocorrelate it...
plus de 11 ans il y a | 1 réponse | 0
0
réponseIndexing of fresh array in one line without intermediate variable.
From <http://stackoverflow.com/questions/3627107/how-can-i-index-a-matlab-array-returned-by-a-function-without-first-assigning...
plus de 12 ans il y a | 2
| A accepté
Question
Indexing of fresh array in one line without intermediate variable.
How do I index a newly made array without intermediate variables? Maybe not the best example, but imagine I want to do this ...
plus de 12 ans il y a | 3 réponses | 1
3
réponsesA résolu
Flag largest magnitude swings as they occur
You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching thr...
plus de 12 ans il y a
A résolu
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...
plus de 12 ans il y a
A résolu
Given a window, how many subsets of a vector sum positive
Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...
plus de 12 ans il y a
A résolu
Implement simple rotation cypher
If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...
plus de 12 ans il y a
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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. Example...
plus de 12 ans il y a
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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...
plus de 12 ans il y a
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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 ...
plus de 12 ans il y a
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Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...
plus de 12 ans il y a
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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...
plus de 12 ans il y a
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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 ...
plus de 12 ans il y a
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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...
plus de 12 ans il y a
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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.
plus de 12 ans il y a
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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...
plus de 12 ans il y a
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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 ...
plus de 12 ans il y a
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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...
plus de 12 ans il y a
A résolu
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:...
plus de 12 ans il y a
