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...

3 days 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...

3 days 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...

4 days 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...

4 days 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...

4 days 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...

4 days 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...

4 days 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...

9 days 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) ?

9 days 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...

9 days 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...

9 days 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...

26 days 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...

26 days 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...

1 month 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 months 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...

2 months 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...

2 months 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 ...

3 months 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...

4 months 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...

5 months 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...

6 months 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 months 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...

7 months ago | 0

Answered

How can I call a .m function with App Designer?

Yes it is possible, have a look at this tutorial and introduction video: https://mathworks.com/help/matlab/creating_guis/create...

How can I call a .m function with App Designer?

Yes it is possible, have a look at this tutorial and introduction video: https://mathworks.com/help/matlab/creating_guis/create...

7 months ago | 0

| accepted

Answered

facing problem in writing complex programme

Can you show the entire error message ? You have at least one error at line 5: part1=beta /lamda(0.5-delta+delta^2); sayi...

facing problem in writing complex programme

Can you show the entire error message ? You have at least one error at line 5: part1=beta /lamda(0.5-delta+delta^2); sayi...

8 months ago | 0

| accepted

Answered

how to use a graph from user input as input to the matlab program

In this case, I recommend you use lsim: https://mathworks.com/help/control/ref/lsim.html

how to use a graph from user input as input to the matlab program

In this case, I recommend you use lsim: https://mathworks.com/help/control/ref/lsim.html

8 months ago | 0

Solved

Make roundn function

Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

8 months ago

Solved

Rounding off numbers to n decimals

Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

8 months ago

Solved

Matlab Basics - Rounding III

Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

8 months ago