# Purushottama Rao

Working as a locomotive system software engineer for last 5 years.

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**Content Feed**

Removing square brackets from cell array

a=strrep(a,char(91),'') use this

3 years ago | 0

| accepted

Question

Inconsistency problem while building a code

I am trying to build a model with ccts Compiler. The Top model consists of reference models. When i tried first time with the ...

4 years ago | 0 answers | 0

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answersHow do I smooth out the maximas and minimas of the following scope output in Simulink

Matlab Function inherits the sampling time from the block connected to it. As the clock is connected as the input of the functio...

5 years ago | 0

| accepted

Generate the following signals in Simulink

Use a clock as an input in place of sine wave. To reduce the number of cycles you need to modify the function y. If you are lo...

5 years ago | 1

| accepted

getting coordinates from gui axes

You can use one of these commands to read the data on mouse click. [x, y] = getpts(fig) or [x, y] ...

5 years ago | 1

why is my program not working ?

I think you are looking for something like x=-10:0.01:10; y(x<-1)=2*x(x<-1)+1; y(x>=1)=2.^x(x>=1)+1; plot(x,y)

5 years ago | 0

Filling cells with repetitive strings

a=cell(1,60); a(1,1:10)={'hello'}; a(1,11:20)={'tree'}; etc...

5 years ago | 1

how to import the excel data into matlab simulink model?

As i understood, you have set of 10000 R and L Values. You would like to get the current values for each set of R L values. Yo...

5 years ago | 0

Why my AC voltage source not provides a sine curve?

Look at sample time in AC Voltage source block.. You may need to replace with your required sample time.

5 years ago | 0

Simulation of iterated integral

It can can be done by creating a signal which would be 1 during the interval of integration and 0 otherwise. https://in.mathw...

5 years ago | 0

How to make for loop to make various mathematical operations. Using matrices.

If it is a magic matrix, then its fairly simple.. m=magic(5); s=sum(m); ans= m/s(1)

5 years ago | 0

Multiple values for a variable in a for loop

You dont need a for loop for doing it. you can try somthing like x(1:10)=0.2:0.2:2 y1 = ((fg*x2^2)/(24*E*I))*(x2^2 -...

6 years ago | 0

displaying only even values in a for loop?

If you want to run entire loop on even numbers you can try for m=2:2:1000 ..... ..... end If your loop runs ...

6 years ago | 1

calculating and displaying the slope of a line

You can try uicontrol. Change the position coordinates according to your requirement. The same thing can be expanded for delta x...

6 years ago | 0

How can I substitute all zeros of a matrix with minimum value of the same matrix?

a(a==0)=min(a(a~=0))

6 years ago | 1

| accepted

How can I total no. particular parameter of certain column?

if the column wit speed data is denoted as s then use sum(s>80) which gives the desired value

6 years ago | 0

| accepted

removal of background of cropped image

http://in.mathworks.com/matlabcentral/answers/155976-how-to-remove-background-from-an-image this gives a good starting point....

6 years ago | 0

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how to find average values of answers

b=zeros(1,5) for a=1:5 b(a)=2*a+1; end k=mean(b);

6 years ago | 0

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hi, i need to save my for loop array result in cell array,i attached my code,please correct the mistake which i did

OK. i have tried with cc as random generated matrix of size 192*192 I could able to generate the cell array of 1*384 with your ...

6 years ago | 0

Problem Implementing a sine wave with increasing frequency

The problem with your model is dynamic freqency change faster than the generation of sine wave itself. Say for example, at a g...

6 years ago | 0

| accepted

How could i generate 10000 samples of a random variable uniformly distributred in(0,1)??

In your code,loop should start form 1. i=1:1:1000 However inorder to acheieve what you have wanted, you may not need a loop. ...

6 years ago | 0

how to read a file in matrix format?

fid=fopen('11_20114111611_logfile.txt','r') k=textscan(fid,'%d%d%d%d') cell2mat (k)

6 years ago | 1

| accepted

Making Pulse sequence with if commands in Embeded MATLAB Function in simulink

When U1 is between u4 and u5, y=u5-u4=0.065-0.035 That is why you have 0.03 magnitude at your output

6 years ago | 0

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Need help modifying a piece of code that allows the user to draw lines

If you want to see {0,0} before the mouse click, use this code function draw_lines % Click the left mouse button to ...

6 years ago | 0

| accepted

Need help modifying a piece of code that allows the user to draw lines

Assign a flag for the first click and reset it afterwards. Use the flag to set the coordinates to {0,0}. Hope this is what you...

6 years ago | 0

Calculating values from an iterative map

for the second part, s=0; for n=4:8 k=(x(n-1)-2)+(x(n-1)+1); s=s+k; end disp(s)

6 years ago | 0

Question

Deploying stand alone applications

Hello Every One, I have been trying to make a stand alone application (which should run on a pc without MATLAB) I have generat...

6 years ago | 0 answers | 0

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answersinsert textbox in a geoshow plot

text(0.5,0.5,'data') will display data string according to 0.5 nd 0.5

6 years ago | 0

PID working with sine wave as reference

PI is a common controller normally used in power electroincs for both DC-DC and DC-AC conversions. We have few systems running w...

6 years ago | 0

Data type conversion for mod operation result.

c=int16(mod(200,3)) will generate c as 16 bit integer class c=int8(mod(200,3)) ...

6 years ago | 0