# Abdulatif Alabdulatif

Active since 2014

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Question

Is there any implementation for Multivariate GARCH -BEKK model?
Hello all, Is there any implementation for Multivariate GARCH-BEKK model? I am not familiar with MATLAB too much and I need a...

bijna 7 jaar ago | 0 answers | 0

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Solved

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

bijna 8 jaar ago

Question

How can I calculate sensitivity and specificity for a given data set after clustering (data is labeled)?
Hi, I have a labeled data set, each data point represented by a vector of (x,y, label). I want to claculate sensitivity an...

bijna 8 jaar ago | 0 answers | 0

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Question

How can add the rows in n-by-m matrix that have the same indicator in the last column?
Hi, How can add the rows in n-by-m matrix that have the same indicator in the last column? For example: 10-by-3 matrix, t...

ongeveer 8 jaar ago | 3 answers | 0

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Question

How can I solve the problem of colour map? (figure provided)
<</matlabcentral/answers/uploaded_files/52718/example.jpg>> In the figure, the data is divided into four different groups and...

ongeveer 8 jaar ago | 2 answers | 0

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Question

How can I produce different colours for different clusters?
Hi, I have the following dataset --> three columns (x,y, class of the data point(0,1,2,3 or 4)). (-9.69171, -8.86384, 0) ...

ongeveer 8 jaar ago | 1 answer | 0

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Question

Is there any build in function to perform polynomials multiplication?
Hi, I try to find a build in function that satisfy the following: (x1,y1) , (x2,y2) result in: ( 0 , (x1*x2) ...

meer dan 9 jaar ago | 1 answer | 0

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Question

Why I have wrong result in (power) function?
Hi all, I have the following statement which generate wrong result: temp1 = power(x,temp1) The wrong result is: ...

meer dan 9 jaar ago | 1 answer | 0

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Question

How can I produce colours to distinguish between points in a plot?
Hi all, I am wondering how can I produce extra colours to use them in a plot. For example, I want to have extra colours more ...

meer dan 9 jaar ago | 2 answers | 0

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Question

Is there a way to initialise an array automatically inside while loop?
Hi all, I am working on build clustering algorithm (Fixed-width)clustering. In every iteration inside while loop, some points...

meer dan 9 jaar ago | 1 answer | 0

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Question

How can pick a specific values (rows,columns) from a matrix?
Hi all, I want to process a part of large a matrix. Let's assume we have a matrix with 10 rows and 10 columns, I want to pick...

meer dan 9 jaar ago | 2 answers | 0

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Question

How can I generate a random real numbers from a specific range?
Hi all, I want to pick real numbers randomly from a specific range (0 , 0.2304). Can any one help me to do that? Thank...

bijna 10 jaar ago | 1 answer | 0

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Question

How can I perform modulus operation (mod)?
Hi all, I am trying to use build-in functions in Matlab to help me to convert my project from decimal system to binary system...

bijna 10 jaar ago | 2 answers | 0

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Question

How can I plot two arrays with different number of columns in one figure with different colours?
Hi all, If I have two arrays: A (m,2) & B (n,2) where n and m are the number of columns in each. let say m=100 ...

bijna 10 jaar ago | 2 answers | 0

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Question

How can I read a specific column in a range text file with a specific format?
Hi all, I have the following format in a large text file: 1.9145600e+001 3.8940100e+001 4.5080000e+001 2.6996400e+0...

ongeveer 10 jaar ago | 0 answers | 0

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Question

What is the faster mean to find a value of an array?
Hi all, I am looking for the fastest search inside an array. For example A3 array has 6250 elements: [i,j] = find(A3(:,1...

ongeveer 10 jaar ago | 1 answer | 0

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Question

How can I choose a random row from a specific multidimensional array?
Hi, I have a multidimensional array X=(50,9), and I want to choose a random row of 50 exist rows in an array. First row i...

ongeveer 10 jaar ago | 1 answer | 0

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Question

Is there a way to solve wrong results when using (mod) operation?
Hi all, I am working with many (mod) operations to create my own functions in matlab. However, I face a problem of wrong resu...

ongeveer 10 jaar ago | 1 answer | 0

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Question

How can I distinguish between array structure in JAVA and Matalb? (code conversion)
I have a java code and I want to convert it as matlab code: public int[] multiplyEncrypted(int[] num1, int[] num2){ ...

ongeveer 10 jaar ago | 1 answer | 0

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How can I spilt long integer number into pairs?
Ture : ) Thank you so much!

ongeveer 10 jaar ago | 0

Question

How can I spilt long integer number into pairs?
Hi all, I am working to solve the problem of finding the square root by using long division operation? I know that there i...

ongeveer 10 jaar ago | 2 answers | 0