Salma fathi
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Content Feed
Frage
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...
4 Monate vor | 1 Antwort | 0
1
AntwortFrage
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...
5 Monate vor | 2 Antworten | 0
2
AntwortenFrage
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...
6 Monate vor | 2 Antworten | 0
2
AntwortenFrage
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 ...
6 Monate vor | 2 Antworten | 0
2
AntwortenFrage
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....
6 Monate vor | 1 Antwort | 0
1
AntwortFrage
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...
7 Monate vor | 1 Antwort | 0
1
AntwortFrage
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...
7 Monate vor | 1 Antwort | 0
1
AntwortFrage
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...
7 Monate vor | 3 Antworten | 1
3
AntwortenFrage
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 ...
7 Monate vor | 1 Antwort | 0
1
AntwortFrage
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...
8 Monate vor | 2 Antworten | 0
2
AntwortenFrage
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...
8 Monate vor | 1 Antwort | 0
1
AntwortFrage
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 ...
8 Monate vor | 1 Antwort | 0
1
AntwortFrage
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...
8 Monate vor | 1 Antwort | 0
1
AntwortFrage
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 ...
8 Monate vor | 1 Antwort | 0
1
AntwortFrage
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...
10 Monate vor | 1 Antwort | 0
1
AntwortFrage
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 ...
10 Monate vor | 1 Antwort | 0
1
AntwortFrage
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...
11 Monate vor | 1 Antwort | 0
1
AntwortFrage
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...
11 Monate vor | 2 Antworten | 0
2
AntwortenFrage
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...
11 Monate vor | 1 Antwort | 0
1
AntwortFrage
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...
11 Monate vor | 2 Antworten | 0
2
AntwortenFrage
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?
11 Monate vor | 2 Antworten | 0
2
AntwortenFrage
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...
11 Monate vor | 2 Antworten | 0
2
AntwortenFrage
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) ...
12 Monate vor | 2 Antworten | 0
2
AntwortenFrage
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 ...
12 Monate vor | 1 Antwort | 0
1
AntwortFrage
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...
12 Monate vor | 1 Antwort | 0
1
AntwortFrage
plotting three curves in the same plot
I have plotted the follwing two curves as in the image below (fig2). For the curve in red I have used a matlab generated cod...
etwa ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
Solving an initial value problem for a PDE
Having the following initial value problem with some mathematical computations we reach to an end that an implicit general s...
etwa ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
finding the slope of each segement in a fitted curve
having the following plot, Is there a method that would allow me to find the slope of each segment in this plot or at least, ...
etwa ein Jahr vor | 2 Antworten | 0
2
AntwortenFrage
reading multiple text file from two different folders using nested for loop
i am using the following lines to read multiple text files and do some comparison between them. Baiscally the first loop will r...
etwa ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
comparing the minutes values of two tables
I am trying to make a comparison between the minutes value of the time from two tables using the following lines first we checc...
etwa ein Jahr vor | 1 Antwort | 0
1
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