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272 total contributions since 2017

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select from matrix!
When executing the command it outputs : b = 3 2 2 1 The command : b= [a(1,2:3);a(2,1:2)] sel...

4 Tage ago | 1

| accepted

plot standard deviation as a shaded area

10 Tage ago | 0

How to make a array from a loop?
You can do something like: nb = 1440; j = zeros(1,nb); Z = zeros(1,nb); for i = 1 : nb Z(i) = powerConsumption(i) - sol...

18 Tage ago | 0

System unit-impulse response for given tau
There is a problem of dimensions for matrix multiplication at line 5 and 6 : x1 = (A/tau1)*exp(t/-tau1) x2 = (A/tau2)*exp(t/-t...

23 Tage ago | 0

When we use the ";" at the end of a command line and when we do not use it
From https://www.tutorialspoint.com/matlab/matlab_syntax.htm : Semicolon (;) indicates end of statement. However, if you want t...

23 Tage ago | 0

adding element to a matrix row

23 Tage ago | 0

| accepted

Control of inverted pendulum
I don't find anything similar in literature LQR algorithm with state estimator is very common and you can find plenty of exampl...

25 Tage ago | 0

Find elements in a matrix
You can get the indices with: idx = A >= 30 & A <= 65 To know the number of values corresponding to the condition: numel(find...

29 Tage ago | 0

Is there any maximum for the size of matlab table?
It depends on what you want to store into this table. You can have a look here to find more informations: https://mathworks.com...

29 Tage ago | 0

Solved

Find the maximum number of decimal places in a set of numbers
Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not coun...

etwa ein Monat ago

function rand with variables
You can use something like this, adapt it to your case: a = 1; b = 2; c = 3; A = [a b c]; nb = 10; vec = zeros(1,nb); for...

etwa ein Monat ago | 0

Solved

Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. <http://en.wikipedia.org/wiki/Whole...

etwa ein Monat ago

('tf' requires one of the following) "tf commend is not working" HELP PLS!
Your code is right, but you do not have the required toolbox. The function tf is part of the 4 toolbox listed in the error messa...

etwa ein Monat ago | 1

| accepted

Any methods to solve optimal control indirect method such as Pontryagin Minimum Principle?

etwa ein Monat ago | 0

Vectors must be the same length.
What lines causes the error ? Following one ? g = plot(t,delta_omega_laser ); t and delta_omega_laser must have the same leng...

etwa ein Monat ago | 0

| accepted

assign variable name to Function Output Variables
Why don't you just change [wave_rms]=waveform(wave) into [Uph_rms]=waveform(wave) ?

etwa ein Monat ago | 0

Taking in a function as an argument
How is testfunc defined ? Here is a simple working example: function out = func(inputfunc, constant1, constant2) out = inputf...

etwa ein Monat ago | 0

How idx runs and give its value ?
abs(a-n) = 1.8000 2.0000 4.0000 6.3000 6.5000 then min(abs(a-n)) = 1.8, and the location of this minimum value...

etwa ein Monat ago | 0

Servo control without controller
have you tried something so far ? Do you need help to connect matlab and the motor ? In this case you should specify what is y...

etwa 2 Monate ago | 0

plot a defined function
plot the function N(T) versus T in range 0.1 to 14 T is known ? T =[0.1 : 14 ] ? And you want to plot ne(T) ? In this case yo...

etwa 2 Monate ago | 0

Problem with Discrete Controller Design
It could actually be both. It is indeed possible that the discretization with a given frequency brings problems such as oversa...

2 Monate ago | 0

If the values are almost equal to each other,how do i plot the figure to see its curve? (not straight line )
I am not sure to understand the question, but the following code answer your question ? a=[1 2 3 4]; x=[x1 x2 x3 x4]; % your d...

2 Monate ago | 0

obsvf confused by documentation
You were right, the documentation for obsvf function has been updated recently: https://mathworks.com/help/control/ref/obsvf.ht...

3 Monate ago | 0

HOW TO MAKE FUNCTION HANDLING PROPERLY IN DIFFERENT MATLAB FILES?
The way to call functions in matlab is explained here: https://fr.mathworks.com/matlabcentral/answers/179803-calling-a-function...

3 Monate ago | 0

| accepted

How to take the average of different initial conditions
It is not clear what you want to do from the code you posted, especially the first loop : for j = 1: length (g) ... end ...

4 Monate ago | 0

Not enough input argumaents
It depends on how you call this function, try to call if from the command window : x = 1; y = 2; s = add(x,y); And then you...

5 Monate ago | 0

how to find matching elements of two colums vectors
It depends what you want exactly. Let's say you have two vectors a and b: a=[1;2;3;4]; b=[0;2;3;5]; To find the indices wher...

6 Monate ago | 0

matlab 2014b windows 10

7 Monate ago | 0