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Implement the signum function

The signum function is a common mathematical function, which has the following definition : If x => 0, its value is 1, if x < 0...

2 månader ago

Question

How to Generate Smooth Transitional Trapezoidal Signal in Simulink

Hi, everyone. I want to generate a custom signal demonstrated as follow image in Simulink, I have tried the Signal Editor Block,...

2 månader ago | 1 answer | 0

### 1

answerQuestion

Changing the Topic Name in DDS Dictionary have no effect in AutoGenerated XML file

Hello, everyone. I want to create the DDS Application with DDS Blockset. I have changed the Topic Name in DDS dictionary which...

3 månader ago | 1 answer | 0

### 1

answerQuestion

How to configure ip address/port with DDS Blockset

I have build the DDS application shapesdemo.exe with DDS Blockset. I have test the communication between shapesdemo.exe with Op...

4 månader ago | 0 answers | 0

### 0

answersQuestion

FastDDS ShapesDemo Can not Communicate with DDS Blockset ShapesDemo

I followed the steps illustrated in DDS Blockset ShapeExample.mlx file and have build the shapesdemo.exe successfully. I first s...

4 månader ago | 2 answers | 0

### 2

answersParse error at x

The error message shows that there is a unrecognized varialble x_initial. You should initialize it. x_initial=[.5;.5;.5];

4 månader ago | 0

Trouble with handling values in anti-diagonal of a square matrix

diagVal=8; otherVal=1; nrows=8; if mod(nrows,2) % odd A=(diagVal-otherVal)*eye(nrows) + (diagVal-otherVal)*fliplr(eye(...

5 månader ago | 1

Hello, I have a cell array with the list of files I would like to delete. However I would not like to use a for loop to loop through each file to delete it.

maybe you can use cellfun. Files={'1.txt','2.txt','3.txt'}; cellfun(@delete,Files)

5 månader ago | 0

Solving matrix equation in Matlab,

Using vectorization operator vec, which transfer a matrix to a column vector through stacking matrix's columns vertically. There...

5 månader ago | 0

| accepted

Making loop for a function 'xlsread'

xlsread is not recommended, you can use readtable/readmatrix/readcell depend on what type of data you want to read. The followi...

5 månader ago | 1

Question

Where is the Location of CMakeLists File When I Build Simulink Model With CMake?

I want to build the shapesdemo Model which is incorporated in DDS Blockset Examples. I follow the steps illustrated in accompani...

6 månader ago | 2 answers | 0

### 2

answersQuestion

CMake Error When Building DDS Blockset shapesdemo Example Model

I want to build the shapesdemo Simulink Model which is incorporated in DDS Blockset Examples. I follow the steps illustrated in ...

6 månader ago | 0 answers | 0

### 0

answersQuestion

How to implement Ethernet Communication in Simulink Desktop Real-Time

I want to use Ethernet Communication within Simulink Desktop Real-Time. But I do not find corresponding I/O block in Simulin...

8 månader ago | 2 answers | 0

### 2

answersHow to take the mean of each four adjacent position in a matrix?

A=randi(10,1536,2048); % test Matrix M=zeros(768,1024); % result Matrix for row=1:768 for col=1:1024 M(row,col...

ungefär 2 år ago | 1

| accepted

Question

Can not create MATLAB string without MATLAB runtime being initialized.

I create a .NET assembly using a function written in MATLAB. When I want to create a MATLAB String using MWStringArray Class, it...

mer än 2 år ago | 0 answers | 0

### 0

answersQuestion

expression error in Documentation

I think the expression in the image shown below should be , whose derivative is equal to ! Documentation Link

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

importrobot but can not show visual geometries.

I try to import a robot model by using importrobot function with the input is a Simscape Multibody model. However, when I s...

mer än 2 år ago | 1 answer | 0

### 1

answerSolved

03 - Matrix Variables 1

Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3a.png>> A 9x9 matrix full of 2's (Hint: use *ones* o...

mer än 3 år ago

Solved

Determine the number of odd integers in a vector

Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

mer än 3 år ago

Solved

Column norms of a matrix

Given a matrix M, return a vector y such that for each k y(k)=norm(M(:,k)) (y(k) is the Euclidean norm of the k-th col...

mer än 3 år ago

Solved

Sum of series II

What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

mer än 3 år ago

Solved

The Hitchhiker's Guide to MATLAB

Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

mer än 3 år ago

Solved

Bottles of beer

Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

mer än 3 år ago

Solved

Alternating sum

Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...

mer än 3 år ago

Solved

Pascal's Triangle

Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

mer än 3 år ago