# MAHMOUD ALZIOUD

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Graduate Research Assistant, Department of Civil Engineering

**Statistics**

**MATLAB Answers**

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Question

How to write this integration in a workable way

Dear All, I have this code to write the integration that is required to calculate the probability of failure of a structure alon...

4 years ago | 0 answers | 0

### 0

answersQuestion

How to write this equation?

Dear All, I have this equation in excel, what is the best way to write in matlab? Y = 1.13+13/(1+EXP(7.57-15.5*LOG(x+0.0001)))...

4 years ago | 1 answer | 0

### 1

answerQuestion

how to rename a sheet in a generated excel file?

Dear all, I have this code to generate an excel file, the outputs will be in sheet number 2, how can I please rename the sheet t...

5 years ago | 0 answers | 0

### 0

answersQuestion

how to create date variable or column

Dear All, I have numeric matrix of 3 columns and 100 rows, the 1st column is A and represents day number from 1 to 30, the 2nd ...

5 years ago | 1 answer | 0

### 1

answerQuestion

Why do I get different distribution parameters each run?

Dear All, I have a column vector of 1000 rows, I tried to fit this data into 2_normal mixture distribution using the below code,...

5 years ago | 1 answer | 0

### 1

answerQuestion

How to build a table with words and numbers?

Dear All, I am having hard time trying to build a table on MATLAB that consists of words and numbers, the numbers I have them as...

5 years ago | 1 answer | 0

### 1

answerQuestion

How to fix the digits for the summation?

Dear All, I have a code that finds the percentage of each case from the total population, I have 10 cases and the summation of t...

5 years ago | 1 answer | 0

### 1

answerQuestion

how to export data into text file

Dear All, I am trying to export my output data from MATLAB into a text file, I attached a sample of the required FORMAT for the ...

5 years ago | 1 answer | 0

### 1

answerQuestion

How to extract sub matrix from the main matrix?

Dear All, I have a numerical matrix of three columns, (Year, Month and Day), but each days does not have the same number of rows...

5 years ago | 1 answer | 0

### 1

answerQuestion

Why do I get "Argument to dynamic structure reference must evaluate to a valid field name" error please? code attached.

My code: Nf= 471913097; DI_year = (sum(ESAL_year)/Nf)*100; DI_6months = (sum(ESAL_6months)/Nf)*100; DI_3months = (sum(ESAL_3...

5 years ago | 1 answer | 0

### 1

answerQuestion

how to run the loop 50 times and store the outputs

Dear all, I have a function to generate the values of y based on 50 reading s from x, i tried this for loop but i do not know h...

6 years ago | 1 answer | 0

### 1

answerQuestion

how to write this integration please

Dear All, I attached an image with a formula that I need to write in matlab but I do not know the right syntax, x ranges from ze...

6 years ago | 1 answer | 0

### 1

answerQuestion

How can I store fitdist output as a variable in a matrix please?

Dear All, I run the command fitdist to produce the distribution parameters, since I do the run 200 times it is hard to write the...

6 years ago | 1 answer | 0

### 1

answerQuestion

how can I run the distributionFitter multiple times at once?

Dear All, I generated 40 data sets (data1 to data40), i need to find the normal distribution parameters for each data set, I use...

6 years ago | 1 answer | 0

### 1

answerQuestion

how to know the distribution of my data

Dear Matlab Community, I have attached an excel file for some data I have. this data represents the percent of loads in each loa...

6 years ago | 3 answers | 0

### 3

answersQuestion

how to plot the PDF of a random variable

Dear All, I have CDF from which I derived the marginal PDF, how can I please plot this pdf which is called here MarginalPDFx? ...

6 years ago | 1 answer | 0

### 1

answerQuestion

how to convert empty double into zeros

dear all I have an empty double matrix called Quad, this Quad supposed to be a double with size of 1*31 zeros. how can i please...

6 years ago | 1 answer | 0

### 1

answerQuestion

how to plot each row of the matrix

Dear All, I have a matrix called Single, it is composed of 365 rows and 39 columns, I need to plot each row in the same graph, m...

6 years ago | 1 answer | 0

### 1

answerQuestion

how to plot many lines on the same graph

Dear all, I have a loop that generates 30 matrices, each matrix represents some Y outputs to be plotted in a graph, how can i pl...

6 years ago | 1 answer | 0

### 1

answerQuestion

how to organize my histogram please

Dear All, I have a column matrix Called (Load), it represents the Loads of Vehicles, the dimension for this matrix is 1000 by 1,...

6 years ago | 1 answer | 0

### 1

answerQuestion

how to match the dimensions of two columns in a table

Dear all, I am truing to build a table with 2 columns in MATLAB, the 1st column is the month (from 1 to 12), the second column i...

6 years ago | 1 answer | 0

### 1

answerQuestion

how to exclude a row based on a column value?

Dear All, I have a matrix called M, composed of 15 columns and 100000 rows, the third column supposed to be the month so the val...

6 years ago | 1 answer | 0

### 1

answerQuestion

how can i check if a cell is equal to summation of other cells?

Dear All, I have a matrix of 5 columns and many rows, the first column A is the total weight of a car, the rest of the four colu...

6 years ago | 1 answer | 0

### 1

answerQuestion

how can I fix compiles errors?

Dear All, I prepared a GUI file and I want to compile it to make it as an executable file, now after I run it it doesn't work, i...

6 years ago | 0 answers | 0

### 0

answersQuestion

how to define exactly where the error is

Happy new year guys, I have a simple question please, I am writing a code in a for loop and it still gives me an error saying In...

6 years ago | 1 answer | 0

### 1

answerQuestion

how to export analyzed data to access instead of excel based on MATLAB code?

Dear Guys, I produced some excel tables from a matlab code in which it exports data to excel file in the same folder as my matla...

6 years ago | 0 answers | 0

### 0

answersQuestion

How to start with database

Dear Everyone, I am almost dont with the analysis codes for my research, the next step will be is how to import and export data ...

6 years ago | 1 answer | 0

### 1

answerQuestion

A question about the histograms please

Hi everyone, As can be seen in the attached image, my histogram is built using counts, I WROTE THE FOLLOWING CODE TO CONVERT COU...

6 years ago | 1 answer | 0

### 1

answerQuestion

how to predetermine the load bins in a histogram?

Dear all, I draw a histogram for an array called (single{K}), using the following code, it seems ok but what I need to do is how...

6 years ago | 1 answer | 0

### 1

answerQuestion

BUILDING A TABLE ON EXCEL

Hi everyone, I am trying to build a table based on some analysis done by MATLAB, but i keep get the error: The VariableNames pro...

6 years ago | 1 answer | 0