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# John

### University of Southern California

18 total contributions since 2011

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How to delete the row from cell array?
You can index out the rows like any standard array (the following code removes the second row): x = {1 2 3; 4 5 6; 7 8 9} ...

6 years ago | 1

Loading a excel file in which I want to take only B, D not C , how can it be done?
The best way to do this is call xlsread() once (read in all the data) and index the data you need: data = xlsread('t...

6 years ago | 1

| accepted

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...

7 years ago

Solved

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

7 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 ...

7 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...

7 years ago

Solved

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

7 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:...

7 years ago

Executing two callbacks concurrently
I don't particularly care for this solution but it is one quick way to get at what you're trying to do (I think), hope it helps!...

7 years ago | 0

Help removing columns from csv file
If you want to load in the data and pull out the third and fourth columns (just as an example) I'd do the following: [num txt...

8 years ago | 0

| accepted

How do I generate n cubes to define a sphere?
To create the cubes and visualize them I would start with something like the following: <http://www.mathworks.com/matlabcentr...

8 years ago | 1

| accepted

writing 1*5 char in one cell in excel
Perhaps the following would work: xlswrite('test.xls', cellstr(x)) Where "x" is a character array

8 years ago | 0

MATLAB runtime
i would look at the help for 'waitbar' if you want some kind of indication of where the program is. in addition if you are using...

8 years ago | 1

How do I get system idle time in MATLAB?
Found this perl script that works, simply call perl('last-input.pl') in matlab use Win32::OLE; use Win32::API; ...

8 years ago | 0

| accepted

Question

How do I get system idle time in MATLAB?
How do I go about getting the system idle time in MATLAB, I've searched around and cant find anything. Im using Windows XP x64. ...

8 years ago | 1 answer | 0

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connecting mysql database to matlab
Perhaps you need something like this: <http://www.mathworks.com/products/database/ MATLAB Database Toolbox>

8 years ago | 1

| accepted