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Shiva Arun Kumar

MathWorks

Last seen: 2 years ago |  Active since 2012

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I am an xPC Target quality engineer and have been a MathWorker since 2007.

DISCLAIMER: Any advice or opinions posted here are my own, and in no way reflect that of MathWorks.

**IMPORTANT NOTE**: Please be considerate and avoid sending personal messages to contributors on this forum. All users participate voluntarily, and in their spare time. Formulate your problem well and post it as a question on the forum. Be patient and allow time for it to be answered. There are some great tips in these discussions:

http://www.mathworks.com/matlabcentral/answers/728-how-do-i-write-a-good-question-for-matlab-answers

http://www.mathworks.com/matlabcentral/answers/20313-how-to-get-answers-for-my-unanswered-questions
Professional Interests: Rapid Prototyping, HIL Testing, Embedded Systems, Signal and Image Processing

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JessTest
QEMT Symposium

6 years ago

Channel


Shiva_First_Channel
Test Channel for Ankit's Intro

6 years ago

Answered
Problem with xPC target parameter
Hi, Only the count is zeroed out for 16 and 32 bit reads. For 8 bit reads, the first element is zeroed since the first 0 mar...

12 years ago | 0

| accepted

Answered
Two Step functions in Different Times , or reset a subsystem block
The step time parameter is with reference to the simulation time and not from the time the subsystem is enabled. For example ...

12 years ago | 1

| accepted

Answered
Generating a C code using xPC target for simulink model of serial communication.
Hi Rohan, There are drivers available to support serial communication from within the Target application. The following link ...

12 years ago | 0

| accepted

Answered
Try to get data saved from a file scope with Microsoft .Net Framework functions, but just recieve zeros
Hi Svenja, The commands to read the data from a file created using the File Scope ,from within MATLAB, are: file=xpctarg...

12 years ago | 0

Answered
Storing vectors of different length in one single vector
Consider using cell arrays: http://www.mathworks.com/help/techdoc/matlab_prog/br04bw6-98.html

12 years ago | 0

Solved


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

12 years ago

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

12 years ago

Solved


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

12 years ago

Solved


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

12 years ago

Solved


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

12 years ago

Solved


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

12 years ago

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

12 years ago

Solved


Add two numbers
Given a and b, return the sum a+b in c.

12 years ago

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

12 years ago

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

12 years ago

Answered
Removing grey pixels from an image
Why would this not work? bw=im2bw(I,0) Where I is the image that was read in.

12 years ago | 0

Answered
Try to access time-stamped Data from an HostScope with Microsoft .Net Framework functions using VB
Hi Svenja, You can get the Time Data using the DataTimeObject of the xPCHostScope class. For example (C# code): xPCHost...

12 years ago | 0

| accepted

Solved


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

12 years ago

Solved


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

12 years ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

12 years ago

Answered
If condition for each matrix elements
There may be many ways to do this but does this solution work for you? p=zeros(size(c)); p(intersect(find(c>.2)',find(c<...

12 years ago | 1

| accepted

Answered
xpc target does not work with multiple NICs
Hi Mirko, http://www.mathworks.com/help/toolbox/xpc/gs/f1-4598.html As of R2010a: If the target computer has multiple...

12 years ago | 1

Answered
xPC, getsignalid returns 0, NOT empty
Hi Kosuke, 0 is a valid signal ID and you are correct, [] is returned when the signal name is incorrect. For example, whe...

12 years ago | 0

| accepted

Answered
Outport used in Real-Time Multicore Systems
Hi Jan, As you have mentioned in your post the following options do not work for a model that configured for concurrent execu...

12 years ago | 1