# 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...

mer än 6 år 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...

ungefär 7 år 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...

ungefär 7 år 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...

mer än 7 år 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...

mer än 7 år 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 ...

mer än 7 år 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...

mer än 7 år ago | 1 answer | 0

### 1

answerQuestion

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...

mer än 7 år 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...

mer än 7 år 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...

mer än 7 år 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...

mer än 7 år 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...

mer än 7 år 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...

mer än 7 år 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...

mer än 7 år 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...

mer än 7 år 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...

mer än 7 år 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...

mer än 7 år 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 ...

mer än 9 år ago | 2 answers | 0

### 2

answersHow 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...

ungefär 10 år 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...

mer än 10 år ago | 2

| accepted

guidata doesn't save my data, why?

I did not exactly understand,but you can try this method: The data that you want to save in your 1st function,save it to base...

mer än 10 år ago | 0

| accepted

Empty workspace with GUI

Try storing variables in base work space by, assignin('base','name of variable u want to save','value of variable'); To ...

mer än 10 år ago | 1

| accepted

Matlab Project for Linear Algebra Course

What is M(Y),M(R),M(P) in part B?? For A) part, x = -2.5:0.001:2.5; y = -2.5:0.001:2.5; z = 2*sin(x.*y); plot3(x,...

mer än 10 år ago | 0

get children of a figure

get(h,'Children') returns handles of children of current object,current object being figure object. Handles provide the ...

mer än 10 år ago | 0

Question

Finding who voted your answer

How to know who voted against your answer if any one did vote ?

mer än 10 år ago | 1 answer | 0

### 1

answerGUI

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

mer än 10 år ago | 0

| accepted

plot and set y color

Try this, figure; plot(sind(1:360)); set(gca,'YColor','r');

mer än 10 år ago | 0

'For loop' for beginners

sprintf('Enter elements of vector'); % after entering v,run below code for i = 1:length(v) if v(i) > 0 sp...

mer än 10 år ago | 1

Create Figure Without Displaying it

If h = figure;set(h, 'Visible', 'off'); % do ur plotting here saveas(h,'figure.png'); You will not see a figure poppin...

mer än 10 år ago | 4

Why the sums of cos(x) over 2*pi range not zero?

In matlab, sin(pi) = 1.2246e-16 The expression sin(pi) is not exactly zero because pi is not exactly π

mer än 10 år ago | 0