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Richard Fiifi Annan


Last seen: 7 days ago |  Active since 2018

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Question


fitrtree takes forever to run in MATLAB 2022a
Dear MATLAB team, About two years ago, I used to fit a decision tree regression (fitrtree) to a huge feature matrix (e.g, 5,00...

1 year ago | 1 answer | 0

1

answer

Question


MATLAB not detecting Nvidia RTX 1050Ti on WIndows 11
Hello friends, I am working with MATLAB R2020b on Window 11, Nvidia GeForce RTX 1050 Ti. I have installed the latest Nvidia dr...

2 years ago | 1 answer | 0

1

answer

Question


Parpool fails to run in between other lines of code
The following code returns the error below in MATLAB R2020b, Windows 10. However, after restarting MATLAB and running only ppp...

3 years ago | 1 answer | 0

1

answer

Question


Help extract geographic coordinates from an ENVI image file
I have opened an ENVI single band image, and extracted the grid. I now need help with how to get the geographic coordinates (lat...

3 years ago | 0 answers | 0

0

answers

Question


Help with symbolic substitution
I have created zz that has 3 symbols, x_1, x_2 and x_3. I later generated 3 random numbers, xx, to replace the symbols and calcu...

3 years ago | 2 answers | 0

2

answers

Answered
Adding loop values to an array
real_part = real(modulRat ); imaginary_part = imag(modulRat ); figure plot(mamFrequency, real_part, 'r', mamFrequency, imag...

3 years ago | 1

Answered
Adding loop values to an array
This is an improved version of VBBV's answer. Just like he mentioned, it plots only the real part by default. Make your choice! ...

3 years ago | 1

| accepted

Question


Extracting gravity anomalies for a geographic region from .mat file
I have global gravity anomalies (10801x5400), lats (5400) and longs (1080) in .mat format, I need help as to how to extract the ...

6 years ago | 0 answers | 0

0

answers