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Reji G


Last seen: 3 months ago |  Active since 2022

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Matlab beginner

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Question


Finding the slope after drawing a trend/linear fit
I have an excel data. I want to find the slope after fitting a linear fit on it. In the attached plot, I manually drawn the fit...

1 year ago | 1 answer | 0

1

answer

Question


Draw multi graphs in one figure
How to draw multi plots with same x axis and different ranged y axis in a same figure? (See the x axis and y axis values written...

1 year ago | 2 answers | 0

2

answers

Question


Partition line in a subplot
How can I add partition line to a subplot in matlab(Hand sketch is attached for reference). clc;close all; clear all; x=[1 2 5...

1 year ago | 1 answer | 0

1

answer

Question


Partitioning and putting titles in a subplot
clc; close all; clear all; x=[0 1 2 3 6 4 5 8 5];y=[9 8 5 6 3 2 1 5 2]; subplot(4,4,1); plot(x,y);subplot(4,4,2); plot(x,y...

1 year ago | 3 answers | 0

3

answers

Question


Identify the duration of zero values and count the number of such zero regions
Hello, I have a signal shown above. First I want to identify the duration(length) of each zero valued regions represented as...

2 years ago | 1 answer | 0

1

answer

Question


Differential equation error.
The following equation need to be implemented and the graph should be obtained like this. I tried all the way, but couldn't. cl...

2 years ago | 1 answer | 0

1

answer

Question


Differential equation not working
I wanted to implement the equation below: I wrote the program as follows. But nothing showing up in the plot. clc; close a...

2 years ago | 1 answer | 0

1

answer

Question


Heat transient equation not executing
I want to implement this formula in matlab. But i couldn't. So it'd be great if anyone can help me. Where x&t ranges from 0.1 to...

2 years ago | 1 answer | 0

1

answer

Question


Zooming a densed signal
I wanted to generate a very high frequency(65MHz) signal as shown. When any part of the signal is zoomed out, it should have su...

2 years ago | 1 answer | 0

1

answer

Question


Minimize problem using PSO
I want to find a minimum value of y(and the corresponding value of L and x), for various values of L and x. How to do this using...

2 years ago | 1 answer | 0

1

answer

Question


Cut off frequency doesn't works.
The change in Cut off frequency doen't reflects in output. How to correct ? Also I wnta to display Y axis in dB. clc; close a...

2 years ago | 1 answer | 0

1

answer

Question


Lowpass filter with own cutoff frequency and y axis in dB.
I wnat to design a Lowpass filter in which I can choose my own cutoff frequency and y axis in dB. I have a signal in time domain...

2 years ago | 1 answer | 0

1

answer

Question


Generating spike using decaying exponential sinusoid of frequency 10^7Hz
How to generate this spike?(Spike only. Not the sine wave). It should be generated with an exponential decaying sinusoid. The fr...

2 years ago | 1 answer | 0

1

answer

Question


How to add the signals according to time?
Hello, I want to add the 3 decaying exponential sinusoids according to the timwe in one graph. I used hold on & hold off. But...

2 years ago | 1 answer | 0

1

answer