# Salma fathi

2021 年からアクティブ

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#### Feeds

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ヶ月 前 | 1 件の回答 | 0

### 1

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ヶ月 前 | 1 件の回答 | 0

### 1

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 ...

10ヶ月 前 | 2 件の回答 | 0

### 2

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ヶ月 前 | 1 件の回答 | 0

### 1

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ヶ月 前 | 1 件の回答 | 0

### 1

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...

1年以上 前 | 1 件の回答 | 0

### 1

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...

1年以上 前 | 2 件の回答 | 0

### 2

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...

1年以上 前 | 2 件の回答 | 0

### 2

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 ...

1年以上 前 | 2 件の回答 | 0

### 2

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....

1年以上 前 | 1 件の回答 | 0

### 1

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...

1年以上 前 | 1 件の回答 | 0

### 1

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...

1年以上 前 | 1 件の回答 | 0

### 1

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...

1年以上 前 | 3 件の回答 | 1

### 3

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 ...

1年以上 前 | 1 件の回答 | 0

### 1

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...

1年以上 前 | 2 件の回答 | 0

### 2

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...

1年以上 前 | 1 件の回答 | 0

### 1

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 ...

1年以上 前 | 1 件の回答 | 0

### 1

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...

1年以上 前 | 1 件の回答 | 0

### 1

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 ...

1年以上 前 | 1 件の回答 | 0

### 1

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...

2年弱 前 | 1 件の回答 | 0

### 1

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 ...

2年弱 前 | 1 件の回答 | 0

### 1

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...

2年弱 前 | 1 件の回答 | 0

### 1

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...

2年弱 前 | 2 件の回答 | 0

### 2

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...

2年弱 前 | 1 件の回答 | 0

### 1

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...

2年弱 前 | 2 件の回答 | 0

### 2

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?

2年弱 前 | 2 件の回答 | 0

### 2

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...

2年弱 前 | 2 件の回答 | 0

### 2

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) ...

### 2

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 ...

### 1

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...