How to plot a capacitor charging and discharging
hi, Since you are using separate variables which doesn't have any common values you might be getting separate lines. Try this...

ungefär 5 år ago | 0

Adding new column to a matrix with the same number repeated
hi, hope this helps a= [1;2;3;4;2;3;2;6;7;2] a(:,2)=zeros(length(a),1); a(find(a(:,1)==2)+length(a(:,1)))=2

ungefär 5 år ago | 0

loop while as much has first file

ungefär 5 år ago | 0

How to find different values of numbers in different matrices?
hi, you can use ismember() function. if the row exists the output will be one, else zero ismember(A(1,:),B,'rows')

ungefär 5 år ago | 0

matlab code to find the position of values in a vector within the specified range that meets a certain condition?
hi, d=[1 2 14 20 10 15 2 4 9 7 5]; x =find(d<15) y =x(x<=6 & x>=3)

ungefär 5 år ago | 0

How to change spacing in tick labels on bar graph
hi, Use can use XTick and XTicklabel feature.

ungefär 5 år ago | 0

index out of bounds because numel(uold)=1 Error
hi, initialize u with a vector of zeros instead of '0'. for ex u =zeros(1,nx-1)

ungefär 5 år ago | 0

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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

ungefär 5 år ago | 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 ...

ungefär 5 år ago | 1

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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...

ungefär 5 år ago | 0

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.

ungefär 5 år ago | 0

hi, you can use add_line() and delete_line() functions

ungefär 5 år ago | 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

ungefär 5 år ago | 0

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'; ...

mer än 5 år ago | 0

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...

mer än 5 år ago | 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...

mer än 5 år ago | 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.

mer än 5 år 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...

mer än 5 år ago | 1 answer | 0

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

nästan 6 år 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.

mer än 6 år ago | 1 answer | 0

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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 ...

mer än 6 år ago | 2 answers | 0

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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...

mer än 6 år ago | 1 answer | 0

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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...

mer än 6 år ago | 0 answers | 0

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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...

ungefär 7 år ago | 2 answers | 0

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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...

ungefär 7 år ago | 0 answers | 0

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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...

mer än 7 år ago | 0 answers | 0

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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...

ungefär 8 år ago | 1 answer | 0

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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...

ungefär 8 år ago | 1 answer | 0

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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...

mer än 8 år ago | 1 answer | 0

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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...

mer än 8 år ago | 0 answers | 0