Salma fathi
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Accept 5 answers given by other contributors
Awarded to Salma fathi on 30 Mar 2022
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Feeds
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...
10 months ago | 1 answer | 0
1
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...
11 months 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 ...
1 year ago | 2 answers | 0
2
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?...
1 year ago | 1 answer | 0
1
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...
1 year 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...
2 years ago | 1 answer | 0
1
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...
2 years 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...
2 years 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 ...
2 years 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....
2 years 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...
2 years 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...
2 years 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...
2 years 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 ...
2 years 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...
2 years 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...
2 years 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 ...
2 years 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...
2 years 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 ...
2 years 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...
2 years 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 ...
2 years 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...
2 years 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...
2 years 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...
2 years ago | 1 answer | 0
1
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...
2 years 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?
2 years 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...
2 years 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) ...
2 years 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 ...
2 years 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...
2 years ago | 1 answer | 0
1
answer
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