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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

約8年 前 | 0

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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 ...

約8年 前 | 1

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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.

約8年 前 | 0

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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...

約8年 前 | 1

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

約8年 前 | 1

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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

8年以上 前 | 0

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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'; ...

8年以上 前 | 0

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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...

8年以上 前 | 2

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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...

8年以上 前 | 1

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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.

8年以上 前 | 0

質問


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...

8年以上 前 | 1 件の回答 | 0

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

9年弱 前 | 0

質問


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.

9年以上 前 | 1 件の回答 | 0

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質問


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 ...

9年以上 前 | 2 件の回答 | 0

2

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質問


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...

9年以上 前 | 1 件の回答 | 0

1

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質問


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...

10年弱 前 | 0 件の回答 | 0

0

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質問


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...

約10年 前 | 2 件の回答 | 0

2

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質問


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...

約10年 前 | 0 件の回答 | 0

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質問


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...

10年以上 前 | 0 件の回答 | 0

0

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質問


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...

約11年 前 | 1 件の回答 | 0

1

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質問


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...

11年以上 前 | 1 件の回答 | 0

1

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質問


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...

11年以上 前 | 1 件の回答 | 0

1

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質問


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...

11年以上 前 | 0 件の回答 | 0

0

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回答済み
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

11年以上 前 | 0

質問


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...

11年以上 前 | 0 件の回答 | 0

0

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質問


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...

11年以上 前 | 1 件の回答 | 0

1

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質問


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...

12年弱 前 | 1 件の回答 | 0

1

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質問


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...

12年弱 前 | 0 件の回答 | 0

0

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質問


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 ...

約12年 前 | 1 件の回答 | 0

1

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質問


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...

約12年 前 | 0 件の回答 | 0

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