J AI
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Provide your first answer ever to someone else's question
Awarded to J AI on 21 Apr 2021
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Awarded to J AI on 21 Apr 2021
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Content Feed
Question
Observer design using observability staircase form
My original system (A, B, C, D) is observable, however, when I convert it to observability staircase form using obsvf function, ...
6 months ago | 0 answers | 0
0
answersQuestion
Issue with simulating linear system using lsim inside a for loop
s = tf('s'); Gm = 2163/(s^2 + 80*s + 2163); samplingTime = 2e-3; totalTime = 0.5; time = 0:samplingTime:totalTime; r = 80...
7 months ago | 1 answer | 0
1
answerResampling of xy-coordinates based on cumulative length (NOT time)
I have found a workaround for this which works for my particular application. I have basically used the polyfit function: load(...
12 months ago | 0
Question
Resampling of xy-coordinates based on cumulative length (NOT time)
The cumulative lengths for a set of x1 and y1 coordinates ("waypointsOriginal" in the mat file attached) can be obtained using t...
12 months ago | 1 answer | 0
1
answerQuestion
Setting initial condition of State Space model (not block in Simulink)
I know how to set initial conditions of a state space model when using the state-space block in Simulink. However, how is it don...
1 year ago | 1 answer | 0
1
answerState space manual initial condition
Double click the integrator and you can set the initial condition there directly. 6 years late to reply but still worth a reply ...
1年前| 0
为每个时间样本使用driv得到轨迹ingScenario 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...
1年前| 0
|accepted
Question
为每个时间样本使用driv得到轨迹ingScenario 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...
1 year ago | 1 answer | 0
1
answerQuestion
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...
1 year ago | 1 answer | 0
1
answerQuestion
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...
1 year ago | 1 answer | 1
1
answerQuestion
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...
1 year ago | 2 answers | 0
2
answersQuestion
Sort rows of a table by column within a variable
I have a table: T = a v ________ _______________________________ ...
2 years ago | 1 answer | 0
1
answerQuestion
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...
2 years ago | 1 answer | 0
1
answerQuestion
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, ...
2 years ago | 2 answers | 0
2
answersQuestion
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...
2 years ago | 1 answer | 0
1
answerQuestion
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...
2 years ago | 1 answer | 0
1
answerQuestion
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...
2 years ago | 1 answer | 0
1
answerQuestion
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 = ...
2 years ago | 0 answers | 1
0
answersQuestion
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 ...
2 years ago | 1 answer | 0
1
answerQuestion
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...
2 years ago | 1 answer | 0
1
answerQuestion
找到行/指数s 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...
2 years ago | 1 answer | 0
1
answerQuestion
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...
2 years ago | 1 answer | 0
1
answerQuestion
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...
2 years ago | 2 answers | 0
