Medical Physicist with primary specialty in therapeutic radiological physics.

Professional Interests: Image analysis, data manipulation, and quality assurance processes.

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...

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...

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...

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

Answered

Memory Usage and Speed

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

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.

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

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...

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

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

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

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

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

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

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...

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(...

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.

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...

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

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

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

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...

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