Answered

Copy values from mat file to excel

Types of variables don't matter for excel. The issue is more going to be where to put them. Just saying "write variable x fo...

Copy values from mat file to excel

Types of variables don't matter for excel. The issue is more going to be where to put them. Just saying "write variable x fo...

5 years ago | 0

Answered

can this be done without a for loop?

The following will put all elements above your threshold value to 0. [row, col, index] = find( M > threshold); M(i...

can this be done without a for loop?

The following will put all elements above your threshold value to 0. [row, col, index] = find( M > threshold); M(i...

5 years ago | 0

| accepted

Answered

Efficiency help

This should work. I can't test it out though. Also, note the comment I made on your main post. Always pre-allocate memory if you...

Efficiency help

This should work. I can't test it out though. Also, note the comment I made on your main post. Always pre-allocate memory if you...

5 years ago | 0

Answered

Save values from a parfor-loop

It looks like parfor sends one variable to each parallel operation, meaning that the variable references must be clear to begin ...

Save values from a parfor-loop

It looks like parfor sends one variable to each parallel operation, meaning that the variable references must be clear to begin ...

5 years ago | 0

Answered

Creating a Triangle Wave woes

Ok, I was able to figure this out on my own after much fiddling. Method 1: 'proper method' The issue here is that the incline...

Creating a Triangle Wave woes

Ok, I was able to figure this out on my own after much fiddling. Method 1: 'proper method' The issue here is that the incline...

5 years ago | 0

| accepted

Answered

share data between guis

<http://www.mathworks.com/matlabcentral/fileexchange/33816-example-using-a-matlab-class-to-control-a-gui> You can achieve thi...

share data between guis

<http://www.mathworks.com/matlabcentral/fileexchange/33816-example-using-a-matlab-class-to-control-a-gui> You can achieve thi...

5 years ago | 0

Question

Creating a Triangle Wave woes

I'm having trouble generating a nice looking triangle wave. Doing the calculation, with what I think is, the proper way results ...

5 years ago | 1 Answers | 0

Submitted

Example using a MATLAB Class to control a GUI

This example shows how to use a Matlab class to control a gui.

5 years ago | 50 downloads |

Answered

time on x axis

shorter_data = resample(xData, down_size_factor) down_size_factor should be a whole number. Using 2 will skip every other data ...

time on x axis

shorter_data = resample(xData, down_size_factor) down_size_factor should be a whole number. Using 2 will skip every other data ...

5 years ago | 0

Answered

Concatenation of matrices both vertically and horizontally in a specific order.

The following loop will auto fill in C for any size. Keep in mind, do to memory issues, it is always better to try and know the ...

Concatenation of matrices both vertically and horizontally in a specific order.

The following loop will auto fill in C for any size. Keep in mind, do to memory issues, it is always better to try and know the ...

5 years ago | 1

Answered

Calculating distances between coordinates from a matrix

1. Your third loop over t is not needed. t isn't even used in your distance calculation. 2. your distance is measured wrong. ...

Calculating distances between coordinates from a matrix

1. Your third loop over t is not needed. t isn't even used in your distance calculation. 2. your distance is measured wrong. ...

5 years ago | 0

Answered

Comparison of PSD calculating methods.

xcorr adds some padding numbers to either side. I forget how to manually truncate the series to take out the side bands (and I d...

Comparison of PSD calculating methods.

xcorr adds some padding numbers to either side. I forget how to manually truncate the series to take out the side bands (and I d...

5 years ago | 0

Answered

simple math question

If I understand correctly, you have H as a function of r1, r2, & t. By this, you have 3 partial derivatives, dH/dr1, dH/dr2, &...

simple math question

If I understand correctly, you have H as a function of r1, r2, & t. By this, you have 3 partial derivatives, dH/dr1, dH/dr2, &...

5 years ago | 0

Answered

Converting Decimal to Hexadecimal without the use of the dec2hex function.

I would first recommend sitting down with some paper and figuring out a basic idea of the steps you need to do to convert Dec nu...

Converting Decimal to Hexadecimal without the use of the dec2hex function.

I would first recommend sitting down with some paper and figuring out a basic idea of the steps you need to do to convert Dec nu...

5 years ago | 0

Answered

How can i multiply the transfer function with a vector)

What form is your transfer function in? This previous question might help. <http://www.mathworks.com/matlabcentral/newsreade...

How can i multiply the transfer function with a vector)

What form is your transfer function in? This previous question might help. <http://www.mathworks.com/matlabcentral/newsreade...

5 years ago | 0

Answered

Errors in looping/erros checking

Your code here is counting the number of lines (fgetl), not the number of words. tline = fgetl(fid); i...

Errors in looping/erros checking

Your code here is counting the number of lines (fgetl), not the number of words. tline = fgetl(fid); i...

5 years ago | 0

| accepted

Answered

rand function is slow with a parfor loop

All computer based random number generators need a 'seed'. I don't know about Matlab, but this seed, if not provided directly by...

rand function is slow with a parfor loop

All computer based random number generators need a 'seed'. I don't know about Matlab, but this seed, if not provided directly by...

5 years ago | 0

Answered

variable: global or in guidata

Global variables are often a bad choice when programming. Another option for sharing data through a gui is basing the gui in ...

variable: global or in guidata

Global variables are often a bad choice when programming. Another option for sharing data through a gui is basing the gui in ...

5 years ago | 2

Answered

Recursive function Help

A few comments: 1. using global variables, then settings and clearing them is a bad habit to get into. 2. disp(Maze(i,j)); will...

Recursive function Help

A few comments: 1. using global variables, then settings and clearing them is a bad habit to get into. 2. disp(Maze(i,j)); will...

5 years ago | 0

| accepted

Answered

EDGE function ERROR

according to the documentation, using imread with a jpeg object results in RGB scale. As in, each pixel is represented by a 3 el...

EDGE function ERROR

according to the documentation, using imread with a jpeg object results in RGB scale. As in, each pixel is represented by a 3 el...

5 years ago | 1

Answered

Create a Low Pass Filter on Matlabto Eliminate Hight Frequency Component at 3khz (Z function)

You can use the filter command. If you have the signal Processing toolbox, there is the fdatool that will create filters easi...

Create a Low Pass Filter on Matlabto Eliminate Hight Frequency Component at 3khz (Z function)

You can use the filter command. If you have the signal Processing toolbox, there is the fdatool that will create filters easi...

5 years ago | 0

Answered

Can any WHILE Loop be replaced with a FOR loop?

Another option, so your computer does eventually crash (as k gets to large). for k = 1:2 if(stuff) brea...

Can any WHILE Loop be replaced with a FOR loop?

Another option, so your computer does eventually crash (as k gets to large). for k = 1:2 if(stuff) brea...

5 years ago | 0

Question

File Exchange Submission - updating someone else's project

Hello, I downloaded someone else's content through the FileExchange. I then made significant changes to the code (I would say...

5 years ago | 1 Answers | 0

Answered

Modify choices for a ListBox Callback

I don't fully understand what you mean by your question, but I'll take a guess at a solution. function hSelecVarIndCallback(...

Modify choices for a ListBox Callback

I don't fully understand what you mean by your question, but I'll take a guess at a solution. function hSelecVarIndCallback(...

5 years ago | 1

Answered

regarding mini project

Can you tell us what you know currently? What projects have you worked on before?

regarding mini project

Can you tell us what you know currently? What projects have you worked on before?

5 years ago | 1

| accepted

Answered

how to estimate probability Of Outage for wireless communicaiton Networks

You need to give us more information. Probability of outage is based off the probability of error (PoE). PoE is based off of n...

how to estimate probability Of Outage for wireless communicaiton Networks

You need to give us more information. Probability of outage is based off the probability of error (PoE). PoE is based off of n...

5 years ago | 1

Answered

Recursive Matrix Row Reduction

Ok, I have your solution. 1. Your subtract function in the beginning did not return the subtraced matrix. 2. You needed to re...

Recursive Matrix Row Reduction

Ok, I have your solution. 1. Your subtract function in the beginning did not return the subtraced matrix. 2. You needed to re...

5 years ago | 0

| accepted

Answered

Recursive Matrix Row Reduction

This is a quick look, but I think your command [~,newpivots] = echelon(M(2:m,2:n)); should be [M,newpivots] = echelon(M(2:m,2:n)...

Recursive Matrix Row Reduction

This is a quick look, but I think your command [~,newpivots] = echelon(M(2:m,2:n)); should be [M,newpivots] = echelon(M(2:m,2:n)...

5 years ago | 0

Answered

Calling variables instead of values

My original comment about one-to-one, I realize, is not the best descriptor. I've since edited the original post to reflect t...

Calling variables instead of values

My original comment about one-to-one, I realize, is not the best descriptor. I've since edited the original post to reflect t...

5 years ago | 0

Answered

Time vector

Do you want the answer in hh::mm::ss format? sample_index = (selected sample index); %elapsed time in seconds elapsed...

Time vector

Do you want the answer in hh::mm::ss format? sample_index = (selected sample index); %elapsed time in seconds elapsed...

5 years ago | 0