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John Lee


Last seen: 1 year ago |  Active since 2019

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How to solve a nonlinear least squares with 3 variables
% I would like to find u=[ u(1); u(2); u(3)]; size(u)=3-by-1; "rho" and "rho2" are also functions of "u" and all scalar value...

3 years ago | 1 answer | 0

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Question


lla2ecef is not supported for code generation
I am creating MEX code from my m-file that includes "lla2ecef" function. So, when I use the "Matlab coder" for the m-file, it s...

3 years ago | 1 answer | 0

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Question


How to increase the resolution of the ambiguity function when I need to apply the sampling frequency (Fs) greater than 10 to the power of 6?
I would like to obtain the time delay and Doppler shift between two received signals by using afmag = ambgfun(x,y,Fs,PRF). wher...

3 years ago | 1 answer | 0

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Question


How to convert day information to a number?
How can I convert day information to a number? For instance, Mon to 1, Tue to 2, etc. Fo from character to number data.

3 years ago | 1 answer | 0

1

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Question


Converting time to a epoch
When I have time data of a colum (Excel file) and each column has a data like "15:20:20" which means 3 something p.m. So, there...

3 years ago | 1 answer | 0

1

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Question


Monte Carlo localization algorithm
Hi, When applying "monteCarloLocalization" object, I would like to modify the part where the weights (or may be likelihood func...

4 years ago | 1 answer | 0

1

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Question


How can I know and apply underlying pose graph information for lidarSLAM
When we apply "lidarSLAM" in the MATLAB, the description says that: The SLAM algorithm takes in lidar scans and attaches them t...

4 years ago | 1 answer | 0

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Question


Monte Carlo Localization Algorithm
The Monte Carlo Localization (MCL) algorithm is used to estimate the position and orientation of a robot. During the process, we...

4 years ago | 1 answer | 0

1

answer

Question


Gmapping SLAM based on RBPF
Is there any Gmapping SLAM based on RBPF? I mean MATLAB version of gmapping-SLAM based on Rao-blackwellized particle filtering....

4 years ago | 1 answer | 1

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Question


What method does SLAM use for localization?
In "Navigation Toolbox", there is "SLAM." When I use "SLAM" toolbox, there is the function of "lidarSLAM" which performs locali...

5 years ago | 1 answer | 0

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Question


How to improve the result of "Time Series Forecasting Using Deep Learning" ?
I am working on "Time Series Forecasting Using Deep Learning." (https://www.mathworks.com/help/deeplearning/examples/time-series...

5 years ago | 2 answers | 0

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