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J AI


Last seen: 4 months 前 |  自 2019 起处于活动状态

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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 ...

1 year 前 | 1 个回答 | 0

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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...

2 years 前 | 1 个回答 | 0

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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, ...

3 years 前 | 0 个回答 | 0

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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...

3 years 前 | 1 个回答 | 0

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已回答
Resampling 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(...

3 years 前 | 0

提问


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...

3 years 前 | 1 个回答 | 0

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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...

3 years 前 | 1 个回答 | 0

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已回答
State 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 ...

3 years 前 | 1

已回答
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...

3 years 前 | 0

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提问


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...

3 years 前 | 1 个回答 | 0

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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...

4 years 前 | 1 个回答 | 0

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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...

4 years 前 | 1 个回答 | 1

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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...

4 years 前 | 2 个回答 | 0

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提问


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

4 years 前 | 2 个回答 | 0

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提问


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...

4 years 前 | 1 个回答 | 0

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提问


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, ...

4 years 前 | 2 个回答 | 0

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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...

4 years 前 | 1 个回答 | 0

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提问


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...

4 years 前 | 1 个回答 | 0

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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...

4 years 前 | 1 个回答 | 0

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提问


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 = ...

4 years 前 | 0 个回答 | 1

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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 ...

4 years 前 | 1 个回答 | 0

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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...

4 years 前 | 1 个回答 | 0

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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...

4 years 前 | 1 个回答 | 0

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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...

5 years 前 | 1 个回答 | 0

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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...

5 years 前 | 2 个回答 | 0

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