Alexander Shtof

Technion, Israeli Institute of Technology

2016 年からアクティブ

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alexshtf.github.io

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質問

Extract minimizer index for each subscript using `accumarray' with gpuArray
I have an array if values `vals', and a corresponding array of subscripts `subs' with repeated subscripts into an output array. ...

7年弱前 | 0 件の回答 | 0

0

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質問

Fastest pairwise row sums
I have two matrices A and B, and I would like to compute a matrix C whose rows are all possible combinations of the sum of a row...

7年弱前 | 2 件の回答 | 0

2

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質問

Find minimum in groups defined by cell arrays
I have a cell array I and a vector X. Each item in I specifies a group of indices of items in X. I would like to find the minimu...

約7年前 | 1 件の回答 | 0

1

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質問

LINPROG stopped because some objective or constraint matrix coefficients are too large in magnitude
The error in the title is displayed for an LP my code has built and was trying to solve. I do not understand the source of the p...

8年弱前 | 1 件の回答 | 0

1

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質問

Vectorized "find an replace"
I have a matrix `A` and an array `map`, both consist of integers. I would like to replace every entry where `A == i` with `map(i...

8年以上前 | 2 件の回答 | 0

2

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解決済み

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...

8年以上前

解決済み

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...

8年以上前

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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:...

8年以上前

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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.

8年以上前

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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 ...

8年以上前

解決済み

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...

8年以上前

質問

Union of closed intervals
I have a matrix |A| of size |2 x N| matrix representing |N| closed intervals. That is, the |i|-th interval is [ |A(1, i) .. A(2,...

8年以上前 | 3 件の回答 | 1

3

回答

解決済み

Find the inverse permutation
Given a permutation vector perm (a vector of n elements containing all the elements from 1 to n in some order), return the permu...

8年以上前

質問

Simulating scatteredInterpolant for improved performance.
I have a set of 3D points X and a set of query points Q. I would like to interpolate function values at the query points Q, give...

8年以上前 | 1 件の回答 | 0

1

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質問

Change label font in Graph plots
I am plotting a Graph object (created using the graph function). I figured out how to label nodes and edges in my graph, but I d...

9年以上前 | 1 件の回答 | 0

1

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