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Samyukta Ramnath


BITS Pilani

Active since 2013

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Student of Electrical/Electronics and Physics

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Surface Fitting for a pair of coupled differential equations
I a pair of coupled differential equations which solve for two variables, fe and fi. I have from a separate source, two surface...

7 years ago | 0 answers | 0

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answers

Question


Code to search for a word in a file taking too long to execute.
I have a code that has to process a very large amount of textual data. There is a file, say A which has around 0.4 million sente...

11 years ago | 1 answer | 0

1

answer

Question


A problem while splitting a text input with regexp
I have a text file with the input as sammy yo yo yoyo with you Samyukta and I tried the following code to put each...

11 years ago | 1 answer | 0

1

answer

Question


Problems with musical note frequency
I am writing a code to identify the frequency of a musical note. The problem is, the notes are being wrongly identified for some...

11 years ago | 0 answers | 0

0

answers

Question


Is there any way to just change the cover image of a file exchange?
I've submitted a few files and wanted to upload a screenshot and improve the descriptions. Is there any way to just update the f...

11 years ago | 1 answer | 0

1

answer

Question


When using imread, changed the background colour of image?
I had an image of a red cross with a background colour of white, after I used imread, it returned an image with a black backgrou...

11 years ago | 1 answer | 0

1

answer

Question


How do I shift the alignment of one image over the other?
I have two images (both are of crosses as in x. They were of different sizes and different colours, I converted both of them int...

11 years ago | 1 answer | 0

1

answer

Question


how do I call an array by having a matrix which juxtaposes a standard name with a tag?
I have many tables like so : TABLE_DD TABLE_NN TABLE_PP ... and so on with various tags. Is there any way to re...

11 years ago | 1 answer | 0

1

answer

Question


what am I doing wrong with ismember?
I am trying to use ismember to find out whether a member of a cell is present in another cell array of strings. In one script, I...

11 years ago | 1 answer | 0

1

answer

Question


How do I make MATLAB list the various sequences possible for a specific purpose?
I need to find a way to list all the possible sequences of a sentence, for example if I have a set of 8 possible attributes of a...

11 years ago | 2 answers | 0

2

answers

Question


How to save training data in two vector sets which are mapped?
I need to save training data which consists of sentences and some attribute for each word in the sentence. Since I need each wor...

11 years ago | 0 answers | 0

0

answers

Question


How do I change the name of a file inputted to a function in MATLAB?
I want to input a text file to a function, and after running the function, want to change the filename to a specific thing, depe...

11 years ago | 1 answer | 0

1

answer

Question


How do I import multiple files from a folder in MATLAB?
I want to open all the files with a certain attribute (e.g. they all have 'History' in their name) and open them, one by one, in...

11 years ago | 1 answer | 1

1

answer

Question


How does one create an array of strings in a loop? In a better way.
So I have an array of characters, separated by whitespaces, and obviously matlab recognizes whitespaces as a character too. I wa...

11 years ago | 1 answer | 0

1

answer

Question


Why does MATLAB do this, wrt fscanf from txt document?
I imported a .txt document using fopen and fscanf, and used the following two lines: fid = fopen('History2.txt'); words ...

11 years ago | 1 answer | 0

1

answer

Question


How do I extract just the text from an XML file?
So I know of the function xmlread, but it goes into nodes and trees and I have no clue what those are, I don't know Java. I just...

11 years ago | 0 answers | 1

0

answers

Question


How to extract part of a text file in MATLAB?
Okay so I have opened an xml file and want to get the relevant text stored in those files. I tried the following code (noting th...

11 years ago | 2 answers | 0

2

answers

Question


MATLAB help always showing true to if condition
So, I wanted to write a program to classify text files based on their topic. The code below shows a very crude implementation of...

11 years ago | 3 answers | 0

3

answers

Question


Machine Learning with MATLAB
I want to implement a simple Machine Learning algorithm using unsupervised learning algorithms to classify a bunch of sentences ...

11 years ago | 1 answer | 0

1

answer

Question


Errors while performing fft
I took a file which was a clean, repeating waveform of the note F2 (I deduced this by playing F2 on the virtual piano and playin...

11 years ago | 1 answer | 0

1

answer

Question


What is the difference between a note and a song as seen by fast fourier transform?
A song is a sequence of notes... but a note is a superposition of a fundamental frequency and its harmonics. Suuposing you give ...

11 years ago | 2 answers | 0

2

answers

Question


The fast fourier transform gives a jumbled order of peak frequency!
I recorded notes from c to d on a musical keyboard and performed fast fourier transform on each of those notes. They had a lot o...

11 years ago | 1 answer | 0

1

answer