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Jeff


Mississippi Baptist Medical Center

Active since 2011

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Medical Physicist with primary specialty in therapeutic radiological physics.
Professional Interests: Image analysis, data manipulation, and quality assurance processes.

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Answered
Memory Usage and Speed
@Sean: The array can get as large as 55,000 x 5 at the moment. I say at the moment because I'm currently looking at a days worth...

ongeveer 10 jaar ago | 0

Answered
Memory Usage and Speed
Thanks, everyone for your help. What I have seen is that once the folder gets above a certain number of files (not really sure w...

ongeveer 10 jaar ago | 0

Answered
Retina display issue of 2014a
My best advice is to contact customer service. I've had this issue for a while as well and finally submitted a request a month o...

ongeveer 10 jaar ago | 0

Question


Using mysql function in code
Is it possible to perform mysql functions like last_auto_increment to determine the last value for the auto increment column in ...

ongeveer 10 jaar ago | 1 answer | 0

1

answer

Answered
Memory Usage and Speed
Hi, Sean, Yes, I'm preallocating using the following code: tempData = cell(numFiles,5); Where numFiles is the number ...

ongeveer 10 jaar ago | 0

Answered
Memory Usage and Speed
Sean, I am using dicominfo() to extract the header data.

ongeveer 10 jaar ago | 0

Question


Memory Usage and Speed
Sorry for the double question, but the two are, I think, somewhat related. I am working on an application that loops through a s...

ongeveer 10 jaar ago | 5 answers | 0

5

answers

Answered
sendmail: Error using sendmail
Thanks, Azzi. I've tried that as well. For my settings, I believe it should actually be mail.mydomain.com. At least that is what...

ongeveer 10 jaar ago | 0

Question


sendmail: Error using sendmail
I am building an application that needs to send an alert to an email address when a value is exceeded. So I am trying to debug s...

ongeveer 10 jaar ago | 2 answers | 0

2

answers

Question


Loading and unloading data files
In the applications I'm working on I typically store information in .mat files which I then load several times throughout the ap...

bijna 11 jaar ago | 2 answers | 0

2

answers

Question


Installing R2013a for MAC
When I try to install R2013a the download_agent.jnlp just opens in a text editing program and will not launch the installer. How...

ongeveer 11 jaar ago | 2 answers | 0

2

answers

Question


Thread Subject: Writing for multiple OS versions
I am writing several programs that will need to run on multiple computers with different OS versions i.e. XP, win 7 32 bit and 6...

ongeveer 11 jaar ago | 1 answer | 0

1

answer

Question


Text input gives different matrix types
I'm building an application that allows someone to first create a department by entering the name of the department in an editab...

ongeveer 11 jaar ago | 0 answers | 0

0

answers

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...

meer dan 11 jaar 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 ...

ongeveer 12 jaar ago

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 ...

ongeveer 12 jaar 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...

ongeveer 12 jaar ago

Solved


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

ongeveer 12 jaar ago

Solved


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

ongeveer 12 jaar 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 ...

ongeveer 12 jaar 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...

ongeveer 12 jaar 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:...

ongeveer 12 jaar ago

Answered
GUI Newbie
Steve, Here are my suggestions considering that you are new to at least MatLab and perhaps programming in general (you didn't...

ongeveer 12 jaar ago | 1

Answered
How do I automatically run code in a GUI upon startup?
I put all of my initialization code in the OpeningFcn function line. Here is a snippet. function CyberCalcMain_OpeningFcn(...

meer dan 12 jaar ago | 0

Answered
Matlab with MacBook Air
I chose to cast two votes. Each was helpful in their own way.

bijna 13 jaar ago | 0

Answered
Matlab with MacBook Air
As a followup to this chain, I purchased the Air with 4 GB Ram this weekend, installed MS Office 2008 and MatLab R2011a. Everyth...

bijna 13 jaar ago | 0

Answered
candlestick chart problem
Just wondering if you have explicitly defined the width of the candlestick somewhere in your code? Jeff

bijna 13 jaar ago | 0

Question


Matlab with MacBook Air
I'm considering purchasing a MacBook Air and just wanted to know if MatLab will run well on the Air? Thanks, Jeff

bijna 13 jaar ago | 8 answers | 1

8

answers

Question


Finding center of circle and eccentricity
I have what amounts to an xray image of a circular xray field - the xray beam is a cone. The beam is supposed to be aimed at a m...

ongeveer 13 jaar ago | 1 answer | 0

1

answer

Answered
Rotate DICOM data 90 degrees through central axis
I haven't attempted this but my initial thought is to first read all coronal slice data into a 3d matrix. Then if you want to vi...

ongeveer 13 jaar ago | 1