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Jeff


Mississippi Baptist Medical Center

30 total contributions since 2011

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...

environ 5 ans 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...

environ 5 ans 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...

environ 5 ans 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 ...

environ 5 ans 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 ...

environ 5 ans ago | 0

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

environ 5 ans 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...

environ 5 ans 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...

environ 5 ans 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...

environ 5 ans 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...

presque 6 ans 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...

environ 6 ans 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...

environ 6 ans 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...

plus de 6 ans 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...

plus de 6 ans 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 ...

plus de 7 ans 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 ...

plus de 7 ans 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...

plus de 7 ans ago

Solved


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

plus de 7 ans ago

Solved


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

plus de 7 ans 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 ...

plus de 7 ans 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...

plus de 7 ans 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:...

plus de 7 ans 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...

plus de 7 ans 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(...

presque 8 ans ago | 0

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

presque 8 ans 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...

presque 8 ans ago | 0

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

presque 8 ans 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

presque 8 ans 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...

environ 8 ans 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...

environ 8 ans ago | 1