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# AHMED FAKHRI

##### Last seen: 7일 전
11 2019 이후 총 참여 횟수

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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...

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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...

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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...

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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

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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

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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, ...

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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 ...

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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 ...

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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...

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

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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) ...

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