# J AI

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**Content Feed**

Question

Changing initial conditions of a Simulink model when simulating using a for loop

I am trying to run a vehicle simulink model (taken from here) for 5 seconds. When I try running it directly, the response seems ...

4 maanden ago | 1 answer | 0

### 1

answerQuestion

ODE response vs CCF response of mass-damper-spring system

Could someone please explain why is that the (zero-input) response obtained using ode45 solver is different than the CCF (contr...

8 maanden ago | 1 answer | 0

### 1

answerQuestion

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, ...

bijna 2 jaar 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...

bijna 2 jaar 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(...

meer dan 2 jaar 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...

meer dan 2 jaar 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...

meer dan 2 jaar 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 ...

meer dan 2 jaar ago | 0

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...

meer dan 2 jaar 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...

meer dan 2 jaar 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...

meer dan 2 jaar 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...

ongeveer 3 jaar 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...

ongeveer 3 jaar ago | 2 answers | 0

### 2

answersQuestion

Sort rows of a table by column within a variable

I have a table: T = a v ________ _______________________________ ...

ongeveer 3 jaar 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...

ongeveer 3 jaar 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, ...

ongeveer 3 jaar 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...

meer dan 3 jaar 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...

meer dan 3 jaar 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...

meer dan 3 jaar 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 = ...

meer dan 3 jaar 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 ...

meer dan 3 jaar 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...

meer dan 3 jaar ago | 1 answer | 0

### 1

answerQuestion

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...

meer dan 3 jaar 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...

bijna 4 jaar 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...

bijna 4 jaar ago | 2 answers | 0