Statistics
RANK
1.078
of 247.209
REPUTATION
46
CONTRIBUTIONS
0 Questions
28 Answers
ANSWER ACCEPTANCE
0.00%
VOTES RECEIVED
7
RANK
of 17.235
REPUTATION
N/A
AVERAGE RATING
0.00
CONTRIBUTIONS
0 Files
DOWNLOADS
0
ALL TIME DOWNLOADS
0
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
0 Highlights
AVERAGE NO. OF LIKES
3 of your answers have been accepted
Awarded to rifat on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to rifat on 20 Jul 2017
Receive 10 likes on a problem you have created
Awarded to rifat on 02 Nov 2020
Receive 25 likes on a problem you have created
Awarded to rifat on 09 Nov 2018
Solve Project Euler problems using Matlab
Awarded to rifat on 11 Sep 2018
Solve all the problems in Matrix Patterns II
Awarded to rifat on 26 Jul 2017
Obtain 50 solvers for a problem you have created
Awarded to rifat on 12 Apr 2016
Solve all the problems in Sequences & Series II
Awarded to rifat on 01 Feb 2015
Solve all the problems in Indexing I
Awarded to rifat on 26 Jan 2015
Matrix Patterns I Master
Awarded to rifat on 15 Jan 2015
Solve all the problems in Strings II
Awarded to rifat on 29 Nov 2014
Solve all the problems in Strings I
Awarded to rifat on 27 Sep 2014
Content Feed
How can I select a random element in a row of matrix?
Assuming the data is in 'row' col=1+floor(rand()*length(row)) % column number of the randomly selected element ele...
mehr als 7 Jahre ago | 0
greek symbols in matlab figures
plot([1 2 3],[1 2 3]); xlabel('\mu') ylabel('\nu') title('\sigma')
mehr als 7 Jahre ago | 2
FINDING FREQUENCY AND AMPLITUDE OF A SINUSOID FROM DATA POINTS.
len=length(signal); fs=50 % assuming you know the sampling frequency of your signal n=0:len-1; N=n*fs/(len-1); % conv...
mehr als 7 Jahre ago | 0
Help me how to calculate sum of series ?
You can not add infinite number of terms. If the sum is a converging sum, then you can add a large number of terms (e.g. n=5000)...
mehr als 7 Jahre ago | 3
delete same number every two number while keeping the original order
a(end+1)=a(end)+1; x=diff(a); p=find(x~=0); a=a(p)
mehr als 7 Jahre ago | 0
How to plot multiple iterations on the same axes?
first, write figure; hold on; then use a loop. witing each iteration plot your curve. plot(s_x_index,f_x)
mehr als 7 Jahre ago | 0
How do i add all the values which i get using eval function?
prompt = {'Enter the forces(kN): '}; title = 'Environmental forces'; answer = inputdlg(prompt,title); f = str2num(ans...
mehr als 7 Jahre ago | 0
How to give axis labels in plotyy comand while it is used in subplot(2.1.1)...........
x = 1:5; y1 = 1:5; y2 = 5:-1:1; figure subplot(2,1,1) [ax h1 h2]=plotyy(x,y1,x,y2); ...
mehr als 7 Jahre ago | 0
Problem with subplotting the results
you are using i as an index, then displaying it as an image using imshow.. what it 'i'? If it is an image, then use a different ...
mehr als 7 Jahre ago | 0
Why does it gives matrix dimension must agree?
You are not dividing element by element. Use the following lines instead: R=3e-7:1e-7:10e-7; V=0.5; Vth=0.011*V+(1.3e...
mehr als 7 Jahre ago | 1
how do i use the values read by the eval function in other formulas?
prompt = {'Enter the forces(kN): '}; title = 'Environmental forces'; answer = inputdlg(prompt,title); f = str2num(ans...
mehr als 7 Jahre ago | 0
| accepted
Fast way to read text file of formatted data
I did a similar thing before. Hope this helps. result will be on the variable mat. fclose('all'); fid=fopen('fileNam...
mehr als 7 Jahre ago | 0
how to store value from loop
Your index isnt integer.. Use the following modification. And your program isnt self sufficient for me to execute. idx = ...
mehr als 7 Jahre ago | 0
| accepted
How do I perform numerical integration containing multiple variables?
Since it is not a double integral, you want to integrate f(x,y) at a particular value of y=y1. Evaluate the function at y=y1. Th...
mehr als 7 Jahre ago | 0
String value and sequently representation
M=['XASSANORXOOUOU']; for i=1:length(M)/2 string=['L' num2str(i) '=M(2*(i-1)+1:2*i)'] eval(string) end...
mehr als 7 Jahre ago | 0
String value and relate with number.
A=21;B=12;C=8;D=7; W=['DABCD']; Z=W(1:3); string=[Z(1) '*' Z(2) '*' Z(3)]; eval(string)
mehr als 7 Jahre ago | 0
| accepted
How to read data from xml files? (Loop all Parent and child nodes and get entire data to Excel)
Use xmlread() function. see the documentation. http://www.mathworks.com/help/matlab/ref/xmlread.html
mehr als 7 Jahre ago | 0
How can I perform QPSK modulation of an .mp3 / .wav file ?
sounds like an assignment problem. anyway... 1. read file using wavread() 2. use modulate() to apply QPSK modulation 3. use ...
mehr als 7 Jahre ago | 0
| accepted
Received signal not on sampling time
I think the following script should do the work: signal_vector= [1 1 1 1 1]; % Define your signal here Ts=1/50; % Define...
mehr als 7 Jahre ago | 0
How can I find a connected path on a matrix by Random Search?
Hope the following function helps. function[]= randSelection(mat) [r c]=size(mat); list=1:c; for ...
mehr als 7 Jahre ago | 0
| accepted
How to determine significant wave height from time series data in Matlab>
I dont know what it means by "significant wave height". But if you are trying to detect the peaks in a time series then try the ...
mehr als 7 Jahre ago | 0
how to make the output from a for loop displayed in an horizontal pattern
Use fprintf() instead of disp() within for loop. For example, fprintf('%d ',z);
mehr als 7 Jahre ago | 1
| accepted
need to convert excel (time domain data ) to frequency domain data
Assuming the Excel file contains time data in column 1 and acceleration data in column 2 % read data data=xlsread('fileN...
mehr als 7 Jahre ago | 0
| accepted
How to separate noise from signal?
You can pass your signal through a bandpass filter centered around the frequency of your original (without noise) output and adj...
mehr als 8 Jahre ago | 0
Changing variable in a looped code
for i=1:3 string=['plot(x' num2str(i) ',y);']; eval(string); end I think this will do
mehr als 8 Jahre ago | 0
How we can convert negative float value into binary in matlab? Is there any direct command for this?
You can consider two things. 1. consider changing the quantization of the number and convert the numbers into int16 format wh...
mehr als 8 Jahre ago | 0
How to set my own row and column labels in 'imagesc' fcn
Are you talking about labels or XTickLabels? If it about labels then you can simply change it by using xlabel command and con...
mehr als 8 Jahre ago | 0
Composition of Functions and Sequence
1.2 - Try to use finverse 1.3 - Use loops to solve N=3; % number of terms v=sqrt(2); for i=1:N-1 v=sqrt(2+v...
mehr als 8 Jahre ago | 0
| accepted
