Answered
Invalid file identifier. Use fopen to generate a valid file identifier.
hi, you are closing the file in while loop and trying to access it again. use fclose() after you encountered feof

meer dan 7 jaar ago | 0

| accepted

Answered
How can I get a numeric vector of time from two string vectors containing date and time?
hi, use datenum and datevec >> datevec(7.366528124011690e+05) ans = 2016 11 18 ...

meer dan 7 jaar ago | 1

| accepted

Answered
extract a database from a matlab program
hi, load(filename) loads all the variables into workspace, you can save them as a .mat file or any other supported format.

meer dan 7 jaar ago | 0

Answered
My graph is blank.
hi, variable bug is not a vector its a scalar value so when you plot you try to plot the graph is blank. initialize bug as...

meer dan 7 jaar ago | 1

| accepted

Answered
How to replace Simulink Block links?
hi, you can use add_line() and delete_line() functions

meer dan 7 jaar ago | 1

| accepted

Answered
Can't run matlab; 'restoredefaultpath' not working
hi, As soon as you open Matlab, run this command at command prompt and then proceed further restoredefaultpath;matlabrc

meer dan 7 jaar ago | 0

Answered
How to automatically get values from nx1 struct
hi, you can use for loop. I have attached a sample code for reference. i=3; b=0; for j=1:i a(j).name='P'; ...

bijna 8 jaar ago | 0

Answered
Matlab returns wrong result
Hi, the value displayed by Matlab is precise value since it uses g value as 0.118549. if you want 8887.5 then truncate the va...

bijna 8 jaar ago | 2

| accepted

Answered
How to solve "Attempted to access index 12 of an array with smaller dimension sizes" problem?
Hi, Save the data in .mat as columns, use transpose at the start of function. The file must contain a matrix of two or m...

bijna 8 jaar ago | 1

| accepted

Answered
How to pause the simulation with a command line
hi, you can use breakpoints at places where you want to pause, you can change the values and then continue.

bijna 8 jaar ago | 0

Question


Test harness not visible
I am using R2015a. i want to use Simulink Test feature, when i right click on a subsystem there is no option for test harness. I...

bijna 8 jaar ago | 1 answer | 0

1

answer

Answered
how to import xls file into simulink
you can import using signal builder. File --> Import from file

meer dan 8 jaar ago | 0

Question


matrix exponential's, both base and exponent are matrix
Hi, Is there are simple way to find the exponential when both base and exponent are matrices. Currently I am using a loop.

bijna 9 jaar ago | 1 answer | 0

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answer

Question


display image in subfolder of current folder
hi, I to display an image which is in one of the sub-folders of the current directory. I know the name of the file. how will ...

bijna 9 jaar ago | 2 answers | 0

2

answers

Question


Matlab goes to infinite loop after closing figure window
hi, Does anyone know why this occurs _"In closereq at 18 Warning: Too many objects created while deleting axes children; rem...

ongeveer 9 jaar ago | 1 answer | 0

1

answer

Question


double summation of an equation with four variables
i need some help using symbolic variables. i have a equation with double summation f(x,y)=sigma(i=1:4)sigma(j=1:5)g(x,y,i,j...

ongeveer 9 jaar ago | 0 answers | 0

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answers

Question


using values in a matrix as index for other matrix
Hello, I am having matrix G of size 30 x 30 and other matrix L of size m x 2 where m <30, I want to update the values in G ba...

meer dan 9 jaar ago | 2 answers | 0

2

answers

Question


non-singular matrix using Galois field
Hello everyone, I am generating a matrix using Galois field with the following code. k=3; m=2; prim_poly = gf...

meer dan 9 jaar ago | 0 answers | 0

0

answers

Question


alternative to syndtable function
i am trying to use _syndtable()_ for (51,27) code. I am getting memory out of bounds error. Is there any other way through wh...

ongeveer 10 jaar ago | 0 answers | 0

0

answers

Question


passing a cell array structure to matlab function
hi, I am using matlab function block in Simulink. I have to pass a structure as input to the function. I have changed the typ...

meer dan 10 jaar ago | 1 answer | 0

1

answer

Question


changing a true color or gray scale image to binary and then to gray scale or true color
I have converted a m X n X 3 image(no color map) to binary, worked on binary and now want to convert the resultant image back to...

meer dan 10 jaar ago | 1 answer | 0

1

answer

Question


cellfun is slow for lexical sort
Hi, I am trying to lexicogrphically sort a matrix (size - 10000x 1) and i used cellfun, but it is very time consuming. Is the...

bijna 11 jaar ago | 1 answer | 0

1

answer

Question


error in function call subsystem
Hi, I am new to using SimEvents blocks and triggered subsystems. I have used function-call based trigger for a subsystem and...

bijna 11 jaar ago | 0 answers | 0

0

answers

Answered
Removing of noise from speech recordings
i am not sure if this helps, u might have even tried it. http://knowhow.com/article.dhtml?articleReference=1797&country=uk

bijna 11 jaar ago | 0

Question


Rayleigh fading in a triggered subsystem
Hi, Is it possible to use Multipath Rayleigh fading channel in a triggered subsytem? I got the error " Triggered sample t...

bijna 11 jaar ago | 0 answers | 0

0

answers

Question


How to avoid textwrap in msgbox()
Hi, In case of msgbox(), is it possible to overcome the automatic textwrap ? The string i want to print is getting automa...

bijna 11 jaar ago | 1 answer | 0

1

answer

Question


ber plot using semilogy
Hi All, I am facing a problem while using semilogy() function. the variable i am using is x = [0.5031,0.5022,0.5005,0.4769...

meer dan 11 jaar ago | 1 answer | 0

1

answer

Question


Semianalytic function in Simulink
Hi, I am working on BER calculation for OFDM in simulink. For some SNR's the value of BER is below 10^-6 and are not displaye...

meer dan 11 jaar ago | 0 answers | 0

0

answers

Question


obtain simulink signal width
I want to access the width(dimension) of a vector in Simulink. I want to use this value in other block. Is it possible? How can ...

meer dan 11 jaar ago | 1 answer | 0

1

answer

Question


channel coefficients from mimochan() in embedded matlab
Hi, For implementing MIMO in Simulink i am using mimochan() in matlab function. The channel object is created and i used filt...

meer dan 11 jaar ago | 0 answers | 0

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answers