# Luffy

### IIT ROORKEE

I hated programming until I met MATLAB.

Professional Interests: VLSI

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**Content Feed**

Question

Interpreting the angle from the angle obtained by atan2 function

Hi, I have two signals(x,y) whose absolute phases i'm calculating by using the atan2 function.Then subtracting both i'm getting...

7 years ago | 1 answer | 0

### 1

answerQuestion

Seperating a vector based on another vector

I have two arrays A & B.vector A has to be separated & processed based on B's vector value.For the length that B's value remains...

7 years ago | 1 answer | 0

### 1

answerQuestion

Repeated scalar entries to a gui edit box should be stored in an array/vector format

In my gui,i have a popup menu where the user selects size of array.In the edit box below there is an edit box in which user ente...

7 years ago | 0 answers | 0

### 0

answersQuestion

Writing content in a text file dynamically based on an input variable

I have a text file in which you have the following statements in the middle of text file(there are other statements starting wit...

7 years ago | 0 answers | 0

### 0

answersQuestion

Editing/Changing a text file's content based on input variable

I have a txt file which has the following content in the middle of the text: set TC_SYS_01 0 set TC_SYS_02 0...

7 years ago | 2 answers | 0

### 2

answersQuestion

Plotting data on a 2d plane with colorbar

I have 3 vectors of size 1:100 each(say X,Y,Z).I want to plot it on a 2d plane with colorbar indicating depth. I've tried with ...

7 years ago | 2 answers | 0

### 2

answersQuestion

Change the content in an m-file based on check-box input from gui

Hi, I have a checkbox in my gui based on which i want to make some changes in another m-file & later run it. The format of...

7 years ago | 1 answer | 0

### 1

answerSolved

Return the 3n+1 sequence for n

A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

7 years ago

Question

HDL Simulation in Modelsim from Matlab

Unlike the many examples & videos listed in my case,i have the entire tcl script in a .do file and it is very long (350 lines).S...

7 years ago | 0 answers | 0

### 0

answershow to create a matlab function in simulink?

You have a MATLAB Function block in Simulink.You can place that block in your model & on double clicking it you can write your f...

7 years ago | 0

Question

Calling a callback function from another callback in the same Matlab GUI

Hi, I have a callback function of a menu object from which i want to call the callback the function of an edit box.I am calli...

7 years ago | 2 answers | 0

### 2

answersSubplot 'super' legend

Have a look at this similar query.You just need to hard code the position of the legend. <http://www.mathworks.com/matlabcent...

7 years ago | 0

| accepted

Question

How to read text files from different sub folders in a folder ?

I have a collection of .txt files which are an output of a simulation software.The software puts the text files in different sub...

7 years ago | 4 answers | 0

### 4

answersQuestion

Searching for a variable in a text file & later taking its mean seperating out its units

I have a .txt file which is an output of a simulation software.I want to scan the txt file for a variable & collect that variabl...

7 years ago | 1 answer | 0

### 1

answerHow can I call external m files as a block in simulink?

I couldn't understand why you couldn't use the Matlab function block. Otherwise,run the external m files & capture the output...

8 years ago | 1

search for signal of fixed duration and frequency

Do the fft of the audio signal. You'll get spikes at the frequencies present in your signal. How to do fft: <http://in.mathw...

8 years ago | 0

Question

Extracting data from a cell array

Hi, I have a 10 x 1 cell array.Each 1 x 1 cell has 192 bits(binary).So 10 different 192 bit vectors. Now i need to extract bit...

8 years ago | 1 answer | 0

### 1

answerIs there a way to get the intersection point between two curves in Matlab?

If you have the equation to two curves,you can find the point manually: if y1 & y2 are their equations: idx = find(y1 - y2...

8 years ago | 0

Question

Search a text file for a particular string and then read all values in that line in which string is present into MATLAB

Example: * T-Spice 14.11 Simulation Wed Sep 18 16:08:03 2013 E:\Stuff\Spice\SPICE PROGRAMS\New folder\ckt1\Cktspice.sp ...

9 years ago | 2 answers | 0

### 2

answersSolved

Symmetry of vector

Determine whether the vector is symmetric or not (vector could be even or odd in length). For example: x = [1 2 3 3 2 1] ...

10 years ago

Solved

Mode

Find the mode of the vector Assumption: no vector is bimodal Example 1: input=[1 2 3 4 4]; output=4 Example 2: input=[7...

10 years ago

Solved

Try 1.5.4: Celsius to Fahrenheit

Write a program to convert an input given in Celsius to Fahrenheit. Examples: Input celsiusValue = 100 Output fahrValu...

10 years ago

Solved

Create matrix of replicated elements

Given an input element x, and the dimensions, (m, n) return a matrix of size m x n filled with element x. Example: Input: ...

10 years ago

Solved

Make a checkerboard matrix

Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

10 years ago

Solved

Distance walked 1D

Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

10 years ago

How to get the value of the edit textbox

Write below code in call-back of push-button x = get(handles.edit1,'String'); %edit1 being Tag of ur edit box if isempty(x...

10 years ago | 4

GUI Question: How can I import a variable/vector/matrix into a GUI I created?

If you want to access data that is in base workspace in your gui functions, use v = evalin('base','name of variable u want to...

10 years ago | 2

| accepted

Solved

Geometric series

Find the sum, given the first term t1, the common ratio r, and number of terms n. Examples If input t1=1, r=1, n=7 the...

10 years ago