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John


University of Southern California

Active since 2011

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Answered
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} ...

mer än 11 år ago | 2

Answered
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...

mer än 11 år 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...

nästan 13 år ago

Solved


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

nästan 13 år 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 ...

nästan 13 år 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...

nästan 13 år ago

Solved


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

nästan 13 år 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:...

nästan 13 år ago

Answered
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!...

nästan 13 år ago | 0

Answered
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...

ungefär 13 år ago | 0

| accepted

Answered
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...

ungefär 13 år ago | 1

| accepted

Answered
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

ungefär 13 år ago | 1

Answered
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...

nästan 14 år ago | 1

Answered
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; ...

nästan 14 år 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. ...

nästan 14 år ago | 1 answer | 0

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

nästan 14 år ago | 1

| accepted

Answered
Creating M-file using Excel/Visual Basic
Do you have to use visual basic? In MATLAB you can use xlsread to load in the excel file and then save the loaded data into .mat...

ungefär 14 år ago | 1

| accepted

Answered
Determining whether a point on earth (given latitude and longitude) is on land or ocean
Perhaps something like this could help: <http://www.mathworks.com/products/matlab/demos.html?file=/products/demos/shipping/ma...

ungefär 14 år ago | 0