Answered

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...

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

Answered

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

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

Answered

loop while as much has first file

hi, hope this helps cnt=0; [record1,cnt_op1] = read_file(fname1,cnt); [record2,cnt_op2] = read_file(fname2,cnt_op1...

loop while as much has first file

hi, hope this helps cnt=0; [record1,cnt_op1] = read_file(fname1,cnt); [record2,cnt_op2] = read_file(fname2,cnt_op1...

ungefär 5 år ago | 0

Answered

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')

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

Answered

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)

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

Answered

How to change spacing in tick labels on bar graph

hi, Use can use XTick and XTicklabel feature.

How to change spacing in tick labels on bar graph

hi, Use can use XTick and XTicklabel feature.

ungefär 5 år ago | 0

Answered

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)

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

| accepted

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

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

| 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 ...

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

| accepted

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...

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

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.

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

Answered

How to replace Simulink Block links?

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

How to replace Simulink Block links?

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

ungefär 5 år 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

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

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'; ...

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

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...

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

| 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...

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

| 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.

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

Answered

how to import xls file into simulink

you can import using signal builder. File --> Import from file

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

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

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

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

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

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

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

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

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

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

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