86 total contributions since 2014

Always happy to help

Solved

Intro to Astrodynamics: Kepler's Problem

For a satellite traveling in a circular orbit, the location of the satellite can be described by the True Anomaly, the angle tha...

1 month ago

Solved

Count the Number of Undirected Cycles in a Graph

Given a symmetric adjacency matrix, determine the number of unique *undirected* cycles. For example, the graph represented by...

1 month ago

Answered

Unable to unlock simulink library blocks

Had this happen to me recently. 1) Open the Library 2) Unlock it 3) Click on Diagram -> Unlock Links to Library 4) S...

Unable to unlock simulink library blocks

Had this happen to me recently. 1) Open the Library 2) Unlock it 3) Click on Diagram -> Unlock Links to Library 4) S...

2 years ago | 2

| accepted

Answered

Combining matrix of different dimension.

One solution: Matrix1 = [ 2 2; 0 0]; Matrix2 = [1 1;0 0]; Matrix3 = [2 2 2 2;3 3 3 3]; [reshape(Matrix1',1,4);...

Combining matrix of different dimension.

One solution: Matrix1 = [ 2 2; 0 0]; Matrix2 = [1 1;0 0]; Matrix3 = [2 2 2 2;3 3 3 3]; [reshape(Matrix1',1,4);...

2 years ago | 1

Answered

'Index exceeds matrix dimensions' error

theta(i) is not defined after the first index. You set theta(1) but then never do anything with theta again. So when you say the...

'Index exceeds matrix dimensions' error

theta(i) is not defined after the first index. You set theta(1) but then never do anything with theta again. So when you say the...

2 years ago | 0

| accepted

Answered

Why does this SIMPLE code not work

In the last line, you are just printing to the screen the result you got in the 2nd line. If you want f1 to be calculated again ...

Why does this SIMPLE code not work

In the last line, you are just printing to the screen the result you got in the 2nd line. If you want f1 to be calculated again ...

2 years ago | 0

Answered

please give me matlab code for

Since you did not provide info on what you want and put no effort into your question for us to even know how to help you, I have...

please give me matlab code for

Since you did not provide info on what you want and put no effort into your question for us to even know how to help you, I have...

3 years ago | 1

Answered

I have a matrix A of order 3 X 7 and C is a matrix made

B=A\C B = 1.0000 0.3445 -0.0766 0 0 0 0 0 0 0 ...

I have a matrix A of order 3 X 7 and C is a matrix made

B=A\C B = 1.0000 0.3445 -0.0766 0 0 0 0 0 0 0 ...

3 years ago | 0

| accepted

Answered

I am trying to create a function form a vector from my matrix and I do not understand where my mistake is?

You should avoid using a for loop here. You can do something like this: function myVector=combined(myMatrix) myVect...

I am trying to create a function form a vector from my matrix and I do not understand where my mistake is?

You should avoid using a for loop here. You can do something like this: function myVector=combined(myMatrix) myVect...

3 years ago | 0

Answered

How to store string values from a for loop into a cell array?

prompt = 'Enter a number: '; x = input(prompt); for i=1:x user_string = input('Enter a string: '); all...

How to store string values from a for loop into a cell array?

prompt = 'Enter a number: '; x = input(prompt); for i=1:x user_string = input('Enter a string: '); all...

3 years ago | 0

| accepted

Answered

hi , I've got code shows more than the result because of the Loop . The question now is how do I store the result in array in order to call this values [a] again

Do you just want all the values of "a" stored in a 1D array? If so you can do this: n=[4;5;6]; phi=[3;4;5]; s=[2;3;4]; o=3;...

hi , I've got code shows more than the result because of the Loop . The question now is how do I store the result in array in order to call this values [a] again

Do you just want all the values of "a" stored in a 1D array? If so you can do this: n=[4;5;6]; phi=[3;4;5]; s=[2;3;4]; o=3;...

3 years ago | 0

| accepted

Answered

How to download installer for Matlab R2011a?

This is how you can do it according to the Mathworks Support Team: <https://www.mathworks.com/matlabcentral/answers/99265-how...

How to download installer for Matlab R2011a?

This is how you can do it according to the Mathworks Support Team: <https://www.mathworks.com/matlabcentral/answers/99265-how...

3 years ago | 0

Answered

How to count up matrix values for specific number of positions specified by other matrix?

You can do this: experiment_10=find(A==10); first_five_trials=B(experiment_10(1:5)); correct_trials=sum(first_fiv...

How to count up matrix values for specific number of positions specified by other matrix?

You can do this: experiment_10=find(A==10); first_five_trials=B(experiment_10(1:5)); correct_trials=sum(first_fiv...

3 years ago | 0

| accepted

Answered

Why do I have to register in order to watch some webinars?

I would assume MathWorks likes to gather information on how many people are showing interest and watching the webinars. Also, it...

Why do I have to register in order to watch some webinars?

I would assume MathWorks likes to gather information on how many people are showing interest and watching the webinars. Also, it...

3 years ago | 3

| accepted

Answered

While loop isn't terminating even though the expression is 0

I think what you need to do is the following (by the way, I don't know what your code is doing but I think it should be > 0.001 ...

While loop isn't terminating even though the expression is 0

I think what you need to do is the following (by the way, I don't know what your code is doing but I think it should be > 0.001 ...

3 years ago | 1

| accepted

Answered

If I purchase and Install Matlab (Home Version) and several add ons on my laptop, can I later uninstall from my laptop and install on my workstation at home (i.e., move the software and accessories)?

You should be able to according to the MathWorks Support Team: <https://www.mathworks.com/matlabcentral/answers/96878-how-do-...

If I purchase and Install Matlab (Home Version) and several add ons on my laptop, can I later uninstall from my laptop and install on my workstation at home (i.e., move the software and accessories)?

You should be able to according to the MathWorks Support Team: <https://www.mathworks.com/matlabcentral/answers/96878-how-do-...

3 years ago | 0

Answered

Subscript indices must either be real positive integers error? Can't figure out why

It is because of this line: h(i)=sum(S4(i,[0:y])); You cannot access column 0 of a matrix in MATLAB. MATLAB indices star...

Subscript indices must either be real positive integers error? Can't figure out why

It is because of this line: h(i)=sum(S4(i,[0:y])); You cannot access column 0 of a matrix in MATLAB. MATLAB indices star...

3 years ago | 0

Answered

2x2 matrix multiplied by a 2x1 column vector gives erratic results

That is not how matrix multiplication works at all. For a matrix and a vector: A= [1 2 v= [1 3 4] ...

2x2 matrix multiplied by a 2x1 column vector gives erratic results

That is not how matrix multiplication works at all. For a matrix and a vector: A= [1 2 v= [1 3 4] ...

3 years ago | 0

Answered

How to deactivate trial version

The link below answers your question. Basically, you cannot deactivate a trial version. However, you can contact a Sales Represe...

How to deactivate trial version

The link below answers your question. Basically, you cannot deactivate a trial version. However, you can contact a Sales Represe...

4 years ago | 1

| accepted

Answered

Does matlab support Kinect Xbox One sensor for capturing depth images ?

Yes, according to this link, Microsoft Kinect for Windows v1 is supported since MATLAB R2013A. The Kinect v2 (which is identical...

Does matlab support Kinect Xbox One sensor for capturing depth images ?

Yes, according to this link, Microsoft Kinect for Windows v1 is supported since MATLAB R2013A. The Kinect v2 (which is identical...

4 years ago | 0

Answered

can be a compression rate 100%,200%----1000% also send me a equation to calculate compression rate.

Do you mean compression ratio? Because with a simple search it looks like the equation is easy to use. Also if you are asking ca...

can be a compression rate 100%,200%----1000% also send me a equation to calculate compression rate.

Do you mean compression ratio? Because with a simple search it looks like the equation is easy to use. Also if you are asking ca...

4 years ago | 0

Answered

How to download a particular toolbox of MATLAB?

Here is a list of all the MATLAB toolboxes. You have to purchase a toolbox in order to download it. Just click on the toolbox yo...

How to download a particular toolbox of MATLAB?

Here is a list of all the MATLAB toolboxes. You have to purchase a toolbox in order to download it. Just click on the toolbox yo...

4 years ago | 1

Answered

Writing to a new matrix after filtering outliers form original matrix

This should work. Basically run another index called "k" as a sum that only increases when the inequalities are satisfied. ...

Writing to a new matrix after filtering outliers form original matrix

This should work. Basically run another index called "k" as a sum that only increases when the inequalities are satisfied. ...

4 years ago | 0

| accepted

Answered

Inner matrix must agree

It's because of the x variable. Your x variable is a row vector of a 100 elements. When you use "*" by itself it is doing matrix...

Inner matrix must agree

It's because of the x variable. Your x variable is a row vector of a 100 elements. When you use "*" by itself it is doing matrix...

4 years ago | 0

Answered

how to extract data in the structure to individual vector variable?

This should be pretty straight forward. You can do this: %Assuming a structure name of Structure Time=Structure.time; ...

how to extract data in the structure to individual vector variable?

This should be pretty straight forward. You can do this: %Assuming a structure name of Structure Time=Structure.time; ...

4 years ago | 0

Answered

how to create a half cosine wave

If you are talking about plotting a half cosine wave you could do something like this: t=-pi/2:0.0001:pi/2; plot(t,cos(t...

how to create a half cosine wave

If you are talking about plotting a half cosine wave you could do something like this: t=-pi/2:0.0001:pi/2; plot(t,cos(t...

4 years ago | 0

| accepted

Answered

Please help me to find the solution for this non linear system of equation

I would recommend that you read MathWorks documentation as it is very helpful. Here is a link where they show you how to solve a...

Please help me to find the solution for this non linear system of equation

I would recommend that you read MathWorks documentation as it is very helpful. Here is a link where they show you how to solve a...

4 years ago | 0

Answered

Script for plotting two graphs on the same window

I think what you are looking for is the hold command. Your code should look something like this: hold on %by setting ...

Script for plotting two graphs on the same window

I think what you are looking for is the hold command. Your code should look something like this: hold on %by setting ...

4 years ago | 0

Answered

Using loops to populate a vector

If you really need to use a for loop, this is how you could do it. for i=1:size(A,1) B(i,1)=A(i,1); end However, ...

Using loops to populate a vector

If you really need to use a for loop, this is how you could do it. for i=1:size(A,1) B(i,1)=A(i,1); end However, ...

4 years ago | 0

| accepted