# Rizwana Junaid

### B S Abdur Rahman University, Chennai

M.Sc, M.Phil physics.

Doing Ph.D in the area of nonlinear dynimics.

Professional Interests: chaos computing

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**Content Feed**

Question

how can I apply low pass filter to a time series data

hi i have a set of random data which is actually a time series data stored in a file. i want to apply low pass filter or high p...

8 years ago | 2 answers | 0

### 2

answersQuestion

how can i call datas in the word document from matlab and ask to plot?

** * i have a set of datas to be plotted along x axis and y axis and those are saved as word document. how can i call them fro...

10 years ago | 0 answers | 0

### 0

answersQuestion

peaks values of each waveform

How can i select and plot the peak values of each sinusoidal wave in a nonlinear continuous waveform.

10 years ago | 2 answers | 0

### 2

answersSolving Non-Linear Equations

you can solve ur system by calling ode45 function. for that you will have to save all equations in one file and call the solver ...

10 years ago | 0

Question

Is it possible to obtain the imaginary parts along with real part in the evaluation of fast fourier transform?

I have a program , a part of which is shown below: X=x(:,1); %assigning X, all the values of x of length n. Y = fft(X,...

10 years ago | 1 answer | 0

### 1

answerQuestion

how does the autocorrelation helps to understand the nonlinear dynamics

*_*Hello. I have a plot of autocorrelation where normal probalility of the 2 data sets are plotted against that 2 data sets and ...

10 years ago | 0 answers | 0

### 0

answersQuestion

command for autocorrelation

is there any separate command in matlab to compute the autocorrelation for the 2nd order differntial equations? can any one ple...

10 years ago | 0 answers | 0

### 0

answersQuestion

difference between local Lyapunov exponent and Maximal Lyapunov exponent

Can any one please explain the difference between the local Lyapunov exponent plot and Maximal Lyapunov exponent plot. kind...

10 years ago | 0 answers | 0

### 0

answersQuestion

AUTOCORRELATION FOR THE CONTINUOUS TIME DEPENDENT EQUATIONS

HELLO, I AM TRYING TO PLOT AUTOCORRELATION FN FOR MY CONTINUOUS TIME DEPENDENT SYSTEM EQUATION. GENERALLY ODE45 IS USED TO SOLVE...

10 years ago | 0 answers | 0

### 0

answersQuestion

error in plotting lyapunov exponent from time series

Is there any command to plot maximal lyapunov exponent from time series for which i tried my own codes. but still i m in a stage...

11 years ago | 1 answer | 0

### 1

answerQuestion

plotting maximal lyapunov exponent using ode45

i m in need to plot the lyapunov exponent 'f vs lyapunov,' but i am unable to run the program due to some error in the prog...

11 years ago | 1 answer | 0

### 1

answerQuestion

why program is not giving plot after execution?

some times it happens that program doesn't give the plot after the execution. but when it is run again second time then it gives...

11 years ago | 1 answer | 0

### 1

answerQuestion

i need the matlab program codes to run

I'm struggling with my MATLAB code to get a bifurcation plot. My equation is a kind of differential equation of second order. ...

11 years ago | 3 answers | 0

### 3

answersQuestion

I m not getting the exact bifurcation plot for matlab code. my bifurcation plot for the particular system is not showing the divergence to nonlinearity from linear region. what should be the error in my codes?

% mlcmainfile clf clc global f for f=0:0.01:50 initialx(1)=0.8;initialx(2)=0.04; [t,x]=ode45('mlceq',[0 450],[ini...

11 years ago | 0 answers | 0