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J AI


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17 total contributions since 2019

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Answered
Getting trajectory for each time sample using drivingScenario from Automated Driving Toolbox
I actually found the answer - it was just under my nose. After the scenario has been completed, I simply had to run the followin...

9 days ago | 0

| accepted

Question


Getting trajectory for each time sample using drivingScenario from Automated Driving Toolbox
I have created a very simple highway scenary using the drivingScenario from Automated Driving Toolbox, however, I am not sure of...

9 days ago | 1 answer | 0

1

answer

Question


Draw rotated rectangle with rounded edge
I found the answer to drawing rotated rectangles using the solution provided here by Y Yoon. However, I am not sure how to integ...

2 months ago | 1 answer | 0

1

answer

Question


Is there any existing POMDP library/function in MATLAB?
I am looking for an existing Partially Observable MDP (POMDP) library/function that implements a simple POMDP problem using, let...

7 months ago | 1 answer | 1

1

answer

Question


Issue with defining inputs in classdef and getting properties updated
I am defining a simple DC motor (the technical background is not necessary to understand my question) using the class file attac...

7 months ago | 2 answers | 0

2

answers

Question


Sort rows of a table by column within a variable
I have a table: T = a v ________ _______________________________ ...

7 months ago | 1 answer | 0

1

answer

Question


Finding unique rows using "uniquetol" from top
It seems like there is no option for finding unique rows from top using uniquetol unlike unique where there is option for the ar...

7 months ago | 1 answer | 0

1

answer

Question


Combination of rows of two different matrices
Sorry if this is a repeated question but I failed to find an answer myself. I have two matrices: A = [-0.6, -0.2; -60, ...

7 months ago | 2 answers | 0

2

answers

Question


Help with column-wise matrix manipulation without for loop
I have the matrix (which is basically the matrix representation of several lines) A = [10 5 10 % first two columns are...

8 months ago | 1 answer | 0

1

answer

Question


Generating dispersed (non-integer) random matrix/array that sums to a particular value
One of the most suggested (in fact the only one to my finding) for generating random numbers (<1) that will sum to 1 is Random V...

8 months ago | 1 answer | 0

1

answer

Question


Issue with finding intersection between randomly generated matrices
I have two matrices randomly generated A and A_new (subset of A). When I use the intersect command, very surprisingly it negates...

8 months ago | 1 answer | 0

1

answer

Question


Bug in 2020a using "ismember"?
When I am trying to use the "ismember" command in 2020a, I get werid stuffs. e.g., A = [1 2 3; 4 5 6; 7 8 9]; B = ...

8 months ago | 0 answers | 1

0

answers

Question


Finding last non-zero rows for individual columns of a matrix without loops
I have the following code: A =[1 2 3; 1 0 1; 0 5 1; 1 0 2; 2 3 ...

9 months ago | 1 answer | 0

1

answer

Question


A complicated matrix manipulation
So I have a matrix, let's say A = [1 2; 1 0; 3 2; 0 1; 2 1; 1 2]; [r,c] = size(A); In general, wha...

9 months ago | 1 answer | 0

1

answer

Question


Finding rows/indices by comparing individual elements of rows of one matrix to another
Let's say I have a matrix and a matrix as follows: and I want to find the indices of rows in such that the row elements a...

9 months ago | 1 answer | 0

1

answer

Question


DQN weight update using Mean-squared error (MSE)
I am desiging a DQN from scratch. I am stuck because I am not sure how to update the weights in the policy network. The structu...

1 year ago | 1 answer | 0

1

answer

Question


How do I create a matrix surrounding the center element?
I want to create a matrix (n by n, n being odd) that has its central element fixed, and its surrounding elements increasing/decr...

1 year ago | 2 answers | 0

2

answers