Answered

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...

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

Answered

plot standard deviation as a shaded area

You can use the code directly from this answer: https://mathworks.com/matlabcentral/answers/180829-shade-area-between-graphs#an...

plot standard deviation as a shaded area

You can use the code directly from this answer: https://mathworks.com/matlabcentral/answers/180829-shade-area-between-graphs#an...

10 Tage ago | 0

Answered

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...

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

Answered

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...

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

Answered

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...

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

Answered

adding element to a matrix row

You can read this to know about matrix indexing: https://www.mathworks.com/company/newsletters/articles/matrix-indexing-in-matl...

adding element to a matrix row

You can read this to know about matrix indexing: https://www.mathworks.com/company/newsletters/articles/matrix-indexing-in-matl...

23 Tage ago | 0

| accepted

Answered

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...

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

Answered

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...

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

Answered

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...

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

Answered

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...

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

Answered

('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...

('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

Answered

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

Hi, here are some related questions to start with: https://mathworks.com/matlabcentral/answers/440335-how-to-implement-optimal...

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

Hi, here are some related questions to start with: https://mathworks.com/matlabcentral/answers/440335-how-to-implement-optimal...

etwa ein Monat ago | 0

Answered

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...

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

Answered

assign variable name to Function Output Variables

Why don't you just change [wave_rms]=waveform(wave) into [Uph_rms]=waveform(wave) ?

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

Answered

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...

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

Answered

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...

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

Answered

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...

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

Answered

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...

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

Answered

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...

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

Answered

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...

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

Answered

obsvf confused by documentation

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

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

Answered

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...

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

Answered

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 ...

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

Answered

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...

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

Answered

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...

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

Answered

matlab 2014b windows 10

Follow this link and select the matlab version you want to download : https://mathworks.com/downloads/web_downloads/select_rele...

matlab 2014b windows 10

Follow this link and select the matlab version you want to download : https://mathworks.com/downloads/web_downloads/select_rele...

7 Monate ago | 0

Answered

How to caculate a value for a step - the previous step

It depends on what you mean by "I have a value x". It is actuallyquite easy to do for a straightforward example, but it depends...

How to caculate a value for a step - the previous step

It depends on what you mean by "I have a value x". It is actuallyquite easy to do for a straightforward example, but it depends...

7 Monate ago | 0

Answered

Restrict user string inputs

The problem comes from your conditions: ~strcmp(y,'i') | ~strcmp(y,'m') This is never true, even if you enter 'i' or 'm'. Wh...

Restrict user string inputs

The problem comes from your conditions: ~strcmp(y,'i') | ~strcmp(y,'m') This is never true, even if you enter 'i' or 'm'. Wh...

8 Monate ago | 0