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Rashmil Dahanayake


University of New South Wales

Active since 2013

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Answered
Writing a script that tells you the quadrant of the coordinates
x=4;y=-7; %test value switch true case x >=0 && y>0 disp('Quadrant I') case x <=0 && y>0 disp('Quadrant II') ...

mer än 9 år ago | 1

| accepted

Answered
find and set simulink parameters for several blocks
A temporary way around this. Works only if a Tag is specified under block properties. trial_model; cc=find_system('tri...

mer än 9 år ago | 1

Question


find and set simulink parameters for several blocks
I have a simulink model with number of subsystems. For example I have used simpower systems MOSFET in multiple places within my...

mer än 9 år ago | 4 answers | 1

4

answers

Question


connecting sqllite database from command line
HI, I'm using following commands to make a connection to sqllite database. The object variable conn.Message, appears to be -> ...

mer än 9 år ago | 1 answer | 0

1

answer

Question


Matlab memory consumption dependancies
According to the windows task manager, Matlab consumes 430,000 K memory. This is without any functions running and variables cle...

mer än 9 år ago | 1 answer | 0

1

answer

Answered
How to generate signal like in picture
There are 3 signal with same period. Hence you need one sine wave block & 2 Repeating signal waves (for triangular and sawtooth...

mer än 9 år ago | 0

Question


customize Simulink Scope - default settings set
How can I change the default settings of simulink scope. I understand individual scope style (background/line,axes,logging defa...

mer än 9 år ago | 1 answer | 1

1

answer

Question


webcam not closing properly
I'm using webcam() to acquire few images. I managed to get it working and export images in png format. However after the usage...

mer än 9 år ago | 0 answers | 0

0

answers

Question


copy legend information - 2014b
Hi, I want to copy few figures into a new figure with subplots. Hence as the initial step i intend to copy axes and legend inf...

mer än 9 år ago | 1 answer | 3

1

answer

Answered
find missing elements in a matrix
Full Answer for my question asked previously. In case if someone might find it usefull A=1:3:20; % in complete data B=1...

nästan 10 år ago | 0

Question


find missing elements in a matrix
Hi, I have a matrix represents code numbers. A=[1 2 3 6 7 45 46 47 53 78 80]; B=[55.23 ,74.22]; % ...

nästan 10 år ago | 3 answers | 0

3

answers

Answered
parallel execution of system command
This can be achieved by invoking the command "start" system('start myprog1'); system('start myprog2');

nästan 10 år ago | 0

| accepted

Question


parallel execution of system command
Is there a way to execute a system command (ie calling up a dos executable/bang operator) parallely. Within a for loop I'm call...

nästan 10 år ago | 1 answer | 0

1

answer

Answered
regexp to capture only certain length of characters
This could be the solution str4='4-44g 4541 75872 abcd stuvw'; patt4='\<\w{4}\>'; regexp(str4,patt4,'match')

nästan 10 år ago | 0

Question


regexp to capture only certain length of characters
Hi, I'm trying to capture words with 4 characters only. A word consists or alphanumeric characters.(no symbols of white space) ...

nästan 10 år ago | 2 answers | 0

2

answers

Question


Using wildcard character in system command
I'm using 2012b Release & having problem with using wildcard symbol(*) with a system command. eg: >> [status ,out]=s...

nästan 10 år ago | 1 answer | 0

1

answer

Question


convert character array to cell
Hi, I'm trying to generate a file list using a system command. [status ,out]=system('dir mat') The format of the variabl...

nästan 10 år ago | 1 answer | 0

1

answer

Question


regexp and string rearrange in text file
I have a .txt file which has about 350 lines. The content is the .txt file is in following format Open loop test -19-06-201...

nästan 10 år ago | 1 answer | 0

1

answer

Answered
Access SIMULINK simulation time while it runs.
use <http://www.mathworks.com.au/help/simulink/slref/clock.html clock> block

nästan 10 år ago | 0

| accepted

Answered
How to change FFT settings ?
Are you using the Gui of the fftscope. If so you can update the number of cycles and frequency as required. If you need only ...

nästan 10 år ago | 0

| accepted

Answered
Simulink Guide lines from box to box
Select Menu > View > smart Guide lines

ungefär 10 år ago | 0

Answered
how to generate square wave in matlab
t=0:.001:1; f=10; sq=1000*0.5*(square(2*pi*f*t)+1); plot(t,sq)

ungefär 10 år ago | 2

Answered
How can i run different timelines in Simuink?
Use "Enabled subsytem" block for both Subsytems. Updated file attached. Sub system 1 tuns from 0-75s. Subsystem 2 runs from...

ungefär 10 år ago | 0

| accepted

Answered
How can i run different timelines in Simuink?
Use an embedded matlab function to create a rule to overwrite negative time values. Attach the mdl file to investigate further

ungefär 10 år ago | 0

Answered
How can I raise an anonymous expression to a power?
Firstly correct the definition the inline functions for differentiation. Start the command with @ symbol. When calling inline...

ungefär 10 år ago | 0

Answered
How to reset a signal to zero after certain intervals in simulink?
You need to create an external reset signal checking the acceleration zero instances. Then double click on integrator parameter...

ungefär 10 år ago | 0

| accepted

Question


text to column conversion
Hi, I have a cell array and I'm seeking to separate two words and save them in 2 columns. say the original cell array is tags...

ungefär 10 år ago | 1 answer | 0

1

answer

Answered
How do I use power_fftscope for batch mode?
The steps are as follow.If you have ScopeData in your workspace as "ScopeData3" % Exporting signal data to fftscope FF...

ungefär 10 år ago | 0

| accepted

Answered
passing strings to a function to call commands
I figured it out for a certain extent. function logdata2=(A) % logvar={'Vdc','I_L'}; % pass this to the ...

ungefär 10 år ago | 0

Question


passing strings to a function to call commands
I'd like to create a function to automate the passing variable names to statement. I tried to create a function to achieve it u...

ungefär 10 år ago | 1 answer | 0

1

answer

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