# Salma fathi

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Question

Ho to find the area of some patterns in an image

We would like to find the area covered by the patterns in the attached images "pattern.fig", this image was generated by applyin...

5 månader ago | 1 answer | 0

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answerQuestion

Plotting subplots in one figure, with shared axes and labels

This segment of code is supposed to plot some plots in (9 subplots for each figure) arrangment. However, I am trying to make a s...

6 månader ago | 1 answer | 0

### 1

answerQuestion

plotting multiple plots in multiple figures inside a for loop

Hi, I am trying to plot multiple plots using a for loop. we have 24 plots and I would like to divide them such that I would put ...

9 månader ago | 2 answers | 0

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answersQuestion

flipping a maximum point to become a minimum of the same size

having the attached data, how can we flip the points indicated in red (assumed as maximums) to become minimums of the same size?...

11 månader ago | 1 answer | 0

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answerQuestion

How to find the smoothing parameter used by csaps

We have used the function csaps to fit some data using smoothing splines. We are intrested in knowing what is the smoothing para...

11 månader ago | 1 answer | 0

### 1

answerQuestion

adjusting the peak of a spline in curve fitting

I am trying to fit a part of a curve using smothing splines. I am using three main points. two end points and one peak point as...

mer än ett år ago | 1 answer | 0

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answerQuestion

How to adjust a curve fit such that it goes through a specific point

I have the following plot we would like to adjust the green curve such that its peak point, the one pointed to by a black ar...

mer än ett år ago | 2 answers | 0

### 2

answersQuestion

How to shift a fitted curve such that it would coincide on some point

we are trying to shift the fiited curve that we have in the figure below such that its peak point (in black) would coincide on t...

mer än ett år ago | 2 answers | 0

### 2

answersQuestion

how to convert hours and minutes from decimals to datetime objects

having as the follwing two columns from a table, the first column represents the year-month-day and the second column represent ...

mer än ett år ago | 2 answers | 0

### 2

answersQuestion

comparing between two cell arrays

we have two cell arrays that we would like to compare. the first of size 3x67 call it A and the second is of size 3x2 call it B....

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

Accessing each matrix in a cell array of size ~8GB and filter it

I have the follwing cell array, I am trying to access each cell in it and check the 4th and 5th column inside each matrix in...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

How to plot the following figure in matlab?

I am looking for a simple way to plot a three plots diagram as the one shown in the figure below, it is enogh if I can get the s...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

Detect all local minimum and remove them

I am trying to do some 'correction' on the curve in the attached figuer (blue in the original curve and green is the one we desi...

mer än ett år ago | 3 answers | 1

### 3

answersQuestion

How to skip years with no data when reading the data from a website

I am trying to read some data from a website in the following manner: we have multiple stations to read data from and for each ...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

How to find the maximum point of a fitted curve

I am trying to find the maximum point of a fitted curve, the fitting method is being done using smoothing splines. I have looked...

mer än ett år ago | 2 answers | 0

### 2

answersQuestion

Reading data from a website

Hello, Ia m trying to read some data from the follwing website, I tried to use webread to acheive this but it would give me an a...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

converting a variable in a table from cell to double

I am trying to read some tables and concatenate them in one big table, but I am getting the following error Cannot concatenate ...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

Reading data from a different URL each iteration

i am trying to read some data from a specific website, in this website there are some parametrs that we need to set to get the d...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

comparing two times to find the nearest minute for a specific time

we have two tabels A and B each of which have column representing the date and time in the format "uuuuMMddHHmm", we would like ...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

splitting dataset into training and testing

Hello, We are trying to split some data into training and testing datasets, 80% to 20% respectively, and we are having the fol...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

Finding outliers in a dataset

Hello, shown in the image are the plots for the dataset I am having. I am trying to clean out the dataset from outliers so that ...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

finding a specific peak point in a table

Hello, attached is a table of data where we are intrested in locating the peak point according to a certain criteria, it shoul...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

finding the maximum within a specific range

Hello, for the attached table we would like to find the index of the max point of the variable NE8 within the range of (200,400...

nästan 2 år ago | 2 answers | 0

### 2

answersQuestion

how to only change the cells with NAN values in a table?

I am trying to apply the following operation on certain rows in a tabel of data [Lia, Locb] = ismember(datatable2.Date, EDPALL...

nästan 2 år ago | 1 answer | 0

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answerQuestion

filtering data inside a table and storing multiple tables in one big table

i am trying to do the following After reading some data files where each file contains data stored in a table. we find the ma...

nästan 2 år ago | 2 answers | 0

### 2

answersQuestion

convert dates to specific format

how can I change the format of the dates in the column shown in the image to the format uuuuMMddHHmm?

nästan 2 år ago | 2 answers | 0

### 2

answersQuestion

how to concatenate two tables efficiently

I am trying to read a huge amount of files, each file would have data stored in a atable in it, after reading the files we would...

nästan 2 år ago | 2 answers | 0

### 2

answersQuestion

How to make the following code valid for tables not only matrices

hello, The following code finds the peak point for some data stored in an array or matrix lets say. for ied=1:length(EDP) ...

nästan 2 år ago | 2 answers | 0

### 2

answersQuestion

Error: Row index exceeds table dimensions.

Hello, I am stuck at some point with this error . I am attaching a small sample of the file that contains the table SOLARL that ...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

extracting 20% of the data from a table

i have the following data table that represents the curve that is is shown in the plot, at row number 9 in this table we have th...

nästan 2 år ago | 1 answer | 0