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AHMED FAKHRI


Last seen: 1 day ago

15 total contributions since 2019

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Question


Best match location data
Hi I have location data (longitude and latitude) for certain sites and I want to compare these two with a national databse to ...

3 days ago | 1 answer | 0

1

answer

Question


Best match location data - two tables
Hi I have location data (longitude and latitude) for certain sites and I want to compare these two with a national databse to ...

3 days ago | 2 answers | 0

2

answers

Question


Help with data mapping
Hi All I hope you are well. I have the following piece of code to process the data in the excel file attached ('ex1'), I want ...

11 days ago | 0 answers | 0

0

answers

Question


Plot stacked bar chart with legends
Hi All I have the atatched Excel sheet and I want please to plot a stacked bar chart in every year (2025, 2030, 2040, 2050) ac...

22 days ago | 1 answer | 0

1

answer

Question


Stack three area plots - MATLAB
Hi I have the attached Excel file which contains the data for 1-base emissions 2-post REEE 3-Abatement. I want to plot the b...

2 months ago | 2 answers | 0

2

answers

Question


Plot data Excel sheet
Hi I have the attached Excel sheet, and I want to plot the years from 2022 to 2050 on the x-axis. On the y-axis, I want to p...

2 months ago | 1 answer | 0

1

answer

Question


Mark the knee point on a graph
Hi I want to mark the knee point on the graph like the picture attached. This point is the maximum power meaning ( a certain...

4 months ago | 2 answers | 0

2

answers

Answered
Can Matlab Optimisation Toolbox solve this problem?
Hi @Alan Weiss please are you aware of any example that maximise that consumer and producer surplus? Thanks

6 months ago | 0

Answered
Hello, would someone be able to tell me how to simulate a graph for supply and demand and then calculate the total surplus?
Hi I am looking for the same thing, is there any better thatn the tool suggested above? it looks very old

6 months ago | 0

Answered
Levenberg Marquardt Implementation Issues
Hi@Matt J I have a question please regarding Levenberg-Marquardt derivation. I could not understand how in the below picture, ...

6 months ago | 0

Answered
Fit multiple data with one mathmatical model/function
Thanks guys, it worked. I only need to reduce the RMSE by modifying the function. Is there anyway that we give the data and ...

1 year ago | 0

Answered
Fit multiple data with one mathmatical model/function
Thank you both Alex Sha and the cyclist I have removed a(1) parameter and the error/warning written in the cyclist comment ...

1 year ago | 0

Question


Fit multiple data with one mathmatical model/function
Hi I have the following Excel file which contain my data. The input data is the number of cycles (N) while the output data i...

1 year ago | 4 answers | 0

4

answers

Answered
3d plot help
Thanks @Star Strider at the end I plotted the 2D version which makes sense more, Time, Revenue and Cost.

2 years ago | 0

Question


3d plot help
Hi, I have the file attached which contain the following information: 1-Time of the year : 30:30:360 (each month increment) ...

2 years ago | 2 answers | 0

2

answers