Community Profile # Royi Avital

### Ben Gurion University

Last seen: 1 giorno ago Active since 2011

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Question

Convert a LayerGraph into a DAGNetwork - Validate and Initialize the Net
In theory, the function assembleNetwork() should convert a LayerGraph into a DAGNetwork. Yet in practice, it doesn't always wor...

2 giorni ago | 1 answer | 0

### 1

Solved

Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

2 mesi ago

Solved

Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

2 mesi ago

Submitted

Incomplete Cholesky Decomposition
Implementation of the Incomplete Cholesky Decomposition with Thresholding Submitted

Solves a Quadratic Programming problem using Alternating Direction Method of Multipliers (ADMM). This is a MATLAB implementation... Submitted

GLPKMEX - GNU Linear Programming Kit (GLPK) MEX Generator
This MATLAB package generates a stand alone MEX file for the GNU Linear Programming Kit (GLPK). The MEX can solve Linear Program... Since IMGUR uses REST based API you can do it in MATLAB. Best way to start is trying to replicate the Python library: IMGUR P...

11 mesi ago | 0

How do I initialize a complex array to zeros in MATLAB?
In later versions one could do something like vB = zeros(3, 1, 'like', 1j);.

11 mesi ago | 0

How can I set a custom path in Matlab R2017a on MacOS?
You should use setenv() to set the path. Pay attention that usually you want to add something to the path and not override it. ...

circa un anno ago | 1

| accepted

Is there a way to Call Jupyter from Matlab?
I am not sure what do you mean by calling Jupyter from MATLAB. If you mean using MATLAB in Jupyter, it is certainly doable and ...

oltre un anno ago | 0

| accepted

Submitted

1D Convolution by Overlap and Save - Optimized
Highly optimized implementation of the Overlap and Save method for Linear 1D Convolution. The function optimizes the optimal DFT... how to implement MILP in matlab
I also created a MEX wrapper around GNU Linear Programming Kit (GLPK). You may find it at https://www.mathworks.com/matlabcentr...

oltre un anno ago | 1

Most Efficient Way to Construct the Matrices to Extract the Lower and Upper Triangle from a Vectorized Matrix
My current solution: function [ mLU ] = GenerateTriangleExtractorMatrix( numRows, triangleFlag, diagFlag ) EXTRACT_LOWER_TRI...

oltre un anno ago | 0

Question

Most Efficient Way to Construct the Matrices to Extract the Lower and Upper Triangle from a Vectorized Matrix
Given a matrix and its vector form I am after the most efficient way to build the matrices and which extracts the lower and ...

oltre un anno ago | 3 answers | 1

### 3

Matlab equivalent to iPython Notebook
As written above, there is the option of MATLAB's Live Editor. I find it to be really limited vs. iPython Notebook. They are no...

circa 2 anni ago | 0

Question

Generating Toeplitz Matrix which Matches the Convolution Shape Same
Given a filter vH I'm looking for vectors vR and vC such that: toeplitz(vC, vR) * vX = conv(vX, vH, 'same'); For instance, for...

circa 2 anni ago | 3 answers | 1

### 3

Question

Faster and More Efficient `squareform()`
I'm using squareform(pdist(mX)) fairly often. The problem is squareform() is so slow it makes use of pdist2(mX, mX) faster. ...

circa 2 anni ago | 0 answers | 0

### 0

Question

How to Imply the Input Array Dimensions to MATLAB Coder
Assuming I have a simple function in MATLAB: function [ mG ] = ProcessImage( mI ) %#codegen mG = edge(mI, 'Sobel', [], 'bo...

circa 2 anni ago | 1 answer | 0

### 1

Question

MATLAB's JIT Engine
Do you think MATLAB's JIT engine is oudated? It does look so. Look at Julia Language: http://julialang.org/ What do you think?...

oltre 2 anni ago | 5 answers | 2

### 5

Can I use Microsoft Visual Studio 2019 with MATLAB R2019a or R2018b?
I'm not sure how the search for Compiler works for the mex command. From 5 minutes research I did I came to the conclusion it w...

oltre 2 anni ago | 2

SuiteSparse Installation: Cannot open include file: 'regex.h'
Why would you need SuiteSparse in MATLAB? I though MATLAB uses SuiteSparse to begin with.

oltre 2 anni ago | 0

Question

Improving Speed and Reducing Memory Consumption with Creation of 2D Sparse Convolution Matrix
In a previous question of mine, Creating Convolution Matrix of 2D Kernel for Different Shapes of Convolution, among answers of t...

circa 3 anni ago | 0 answers | 0

### 0

Creating Convolution Matrix of 2D Kernel for Different Shapes of Convolution
Here is my solution which build Doubly Block Toeplitz Matrix: function [ mK ] = Create2DKernelConvMtxSparse( mH, numRows, numCo...

circa 3 anni ago | 1

Solved

Generate Convolution Matrix of 2D Kernel with Different Convolution Shapes (Full, Same, Valid)
In this problem the challenge is to build the Matrix Form equivalent of the function `conv2()` of MATLAB. The function to be ...

circa 3 anni ago

Question

Creating Convolution Matrix of 2D Kernel for Different Shapes of Convolution
MATLAB, for thos who have access to Image Processing Toolbox offers the function convmtx2(). Yet there are 2 issues: It is onl...

circa 3 anni ago | 4 answers | 1

### 4

Problem

Generate Convolution Matrix of 2D Kernel with Different Convolution Shapes (Full, Same, Valid)
In this problem the challenge is to build the Matrix Form equivalent of the function `conv2()` of MATLAB. The function to be ...

circa 3 anni ago | 0 | 3 solvers

How can I determine whether a string contains a substring?
I guess that since MATLAB R2016b it is recommended to use <https://www.mathworks.com/help/matlab/ref/contains.html `contains`> :...

oltre 3 anni ago | 1

Functional form of the colon (:) operator?
I really wish MATLAB would add function to vectorize arrays into column vector as the colon operator does.

circa 4 anni ago | 0