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Bandar


Last seen: 3 months ago Active since 2019

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How to force Matlab to be consistent with trigonometric expressions
I have two symbolic matrices. They are identical, but the simplifications of their trigonometric expressions are not. Therefore,...

2 years ago | 1 answer | 0

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answer

Question


PID Controller Tuning Based on Measured Multi-Input Multi-Output
I've designed position controller that allows me to control the position of the robot's end-effector. The inputs are the x_d,y_d...

2 years ago | 0 answers | 0

0

answers

Question


Quaternions with symbolic elements
I'm trying to create quaternion number that contains symbolic elements but Matlab throws an error. syms a d=quaternion(1,2,3,...

2 years ago | 1 answer | 0

1

answer

Question


How to create a single gobjects for different plots to avoid using clf
I'm trying to use plot() several times without using clf because this causing my animation to blink. In the discussion in here [...

2 years ago | 1 answer | 0

1

answer

Question


plot is blinking when clearing figure
I'm doing a project related to sending/receiving via udp port. Currently, I'm doing the project based on two MATLAB sessions. Bo...

2 years ago | 1 answer | 0

1

answer

Question


How to use ode solvers inside while/for loops for animation?
It is not lucid from the documnation how to use the solution of an ODE at each step. The examples show how one can pass the enti...

2 years ago | 1 answer | 0

1

answer

Question


Efficient way to implement this UDP protocol for loopback IP
I'm working on a project where I need to send data via UDP protocol from one PC to another. Currently, I'm using two Matlab sess...

2 years ago | 1 answer | 0

1

answer

Question


Clarification about modifying properties in handle class
Take a look at the following class classdef Counter < handle properties count end methods ...

2 years ago | 1 answer | 0

1

answer

Question


Multithread inside class method
I would like to implment a project for teleoperation task in robotics. In C++, I can create a class with method that keeps liste...

2 years ago | 1 answer | 0

1

answer

Answered
How to delete specific values from matrix
You can't delete a single element in a matrix. This will affect the structure of the matrix. You could delete an entire row or c...

3 years ago | 0

Question


How to avoid the dot operator when accessing property inside class method
I have a class that contains method. When I access one of properties, I need to use dot operator as follows: classdef Robot < h...

3 years ago | 1 answer | 0

1

answer

Answered
Substract all elements from one vector minus all elements from other vector
t1 = datetime(2013,11,5,23,2,0); t2 = datetime(2013,10,5,23,3,0); t3 = datetime(2013,10,5,23,1,0); vec1 = [t1 t2 t3]; t4 = d...

3 years ago | 0

Question


Adding Delay/Jitter to TCP/IP protocol
I have two Matlab sessions opened. I can send adn recieve data via tcpserver/tcpclient. I would like to emulate network delay/ji...

3 years ago | 1 answer | 0

1

answer

Answered
Calculating Equation of a Line with Known Angle Relative to Other Line
where m is the slope of a line. In your case, the angle and one of the slop of the intersected lines are known.

3 years ago | 0

Answered
Not enough input arguments
You are defining the names of inputs like the names of the ouputs. The proper header of function is like this function [outpu...

3 years ago | 0

Answered
Matrixes must agree error
If you would like to carry out element-by-element mutliplication, vectors must have same size. In your case f has 4 elements whe...

3 years ago | 1

Question


How to define transfer function as function in s
In control systems, we use transfer functions a lot. One way to define transfer function is merely to use tf(). For example, we ...

3 years ago | 1 answer | 0

1

answer

Solved


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

3 years ago

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

3 years ago

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

3 years ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

3 years ago

Question


Inconsistent result with the documentation
Take a look at a feedback system where G=1/s and H=1 where G is forward feedback and H backward feedback. ----O---------|G|-...

4 years ago | 1 answer | 0

1

answer

Answered
Finding a number in an array less than 2
For this case, you may consider using vectorization. Try this code A = [0 -1 2 3 2 5 -2]; A(A<2)

4 years ago | 0

Question


Clarification about using only the first 'namelengthmax' characters of the name
In Matlab documentation, it states the following Although variable names can be of any length, MATLAB uses only the first N ch...

4 years ago | 1 answer | 0

1

answer

Question


Remove or Undo GridLayout with App Designer.
I'm using app designer. I've noticed I can't undo or remove grid layout. Is there any solution for this problem? I'm using Matla...

4 years ago | 2 answers | 2

2

answers

Answered
how to generate matrix with any size in same pattern
n=5; v =-2*ones(1,n); p =ones(1,n-1); B =diag(v); C =diag(p,1); D =diag(p,-1); A=B+C+D The result is A = -2 1...

4 years ago | 0

Answered
Mean of certain elements within a matrix
A=[1 2 3 4 5 6; 7 8 9 10 11 12;13 14 15 16 16 18;19 20 21 22 23 24] [row,~]=size(A); for i=1:row-1 c = A(i,[5 6]); r...

4 years ago | 0

Answered
How to calculate moving average
Take a look this data file=[1 2 3 4]; movmean(file,3) which returns 1.5000 2.0000 3.0000 3.5000 The filter works...

4 years ago | 3

Answered
plot with points in file
Assume data stored in this form 1 23 2 34 3 54 The code is file = load('data.txt'); n=3; x=file(randi(10,1,n),1); % 10:...

4 years ago | 0

Answered
Array indices must be positive integers or logical values.
Indices must be postivie integer. In your code, lambda is a vector that contains non-integers. lamda = 0:0.01:3; ... l_sun(...

4 years ago | 0

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