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Mohamed Nedal


Space Weather Monitoring Center (SWMC), Helwan University, Egypt

12 total contributions since 2017

Scientific Researcher in Solar Physics.

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Answered
Marking where one clicked with ginput
Hi, when I use imagesc() function with plot() function it doesn't display the dots on the image shown by imagesc(). In this ca...

4 maanden ago | 0

Question


How to store different NN topologies using For loop?
Hello everyone, This is a feedforward backbropagation neural network model for predicting the parameter (t). Basically, the co...

4 maanden ago | 0 answers | 0

0

answers

Question


How to perform for-loop over sequential arrays?
Hi, I have a set of arrays stored in the workspace (X1, X2 ..., Xn) and (Y1, Y2, ..., Yn) and I would like to perform a "for loo...

6 maanden ago | 1 answer | 0

1

answer

Question


How to separate each day of this file?
Hello, Kindly find the attached text file. It contains data for the entire January 2014. Each row represents a data record p...

7 maanden ago | 1 answer | 0

1

answer

Question


How to match Y with X?
Hello, I have a matrix (X) and another one (Y) and I was trying to match each row in Y with its counterpart in X so that: Y si...

7 maanden ago | 1 answer | 0

1

answer

Question


How to match two different matrices
Hello, I have two matrices of different lengths and this is what the scenario looks like .. x = [...]; y = [...]; si...

ongeveer een jaar ago | 1 answer | 0

1

answer

Answered
find local maxima and local minima
For Max, you can use findpeaks() function. And for Min, it's the same function but with negative data (i.e. -x).

bijna 2 jaar ago | 0

Question


How to plot a globe mesh with data located on it
Hello, I want to plot a globe mesh like this image: <</matlabcentral/answers/uploaded_files/79843/globe.gif>> with data p...

ongeveer 2 jaar ago | 2 answers | 0

2

answers

Question


What is the alternative of xtickformat() in the R2015a version?
Hello, I was trying this code on the version R2015a: t = 0:seconds(30):minutes(3); y = rand(1,7); plot(t,y) x...

ongeveer 2 jaar ago | 1 answer | 0

1

answer

Answered
How do I label the bars in my histogram?
Hello, I tried it but I got this error: Error using text Value must be a column or row vector Error in Hist_long...

ongeveer 2 jaar ago | 0

Question


What's the corresponding function to "xtickformat" in Matlab R2015a?
Hello, I want to use the function: xtickformat('hh:mm') in Matlab R2015a, but it told me: Undefined function or ...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


What does the error "Error using bsxfun" mean in implementing FFNN?
Hello, I'm new to ANN and I was trying to implement FFNN using the following code: a = xlsread('Data.xlsx'); input = [...

meer dan 2 jaar ago | 1 answer | 0

1

answer