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Question
Excessive median processing time
I have found that taking the median with respect to time of a group of image frames can take excessively long and is dependent o...
mer än 11 år ago | 1 answer | 0
1
answerSolved
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...
mer än 11 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 ...
mer än 11 år ago
Question
Processing all subsets of a larger matrix
I have data in the form of MxNx3xK or MxNx3xKxJ types of matrices. If I wanted to use a function that takes an array of 3 value...
nästan 12 år ago | 1 answer | 0
1
answerHow to check if data is normally distributed
Hello Nancy, You cannot tell from only 2 samples whether they are normally distributed or not. If you have a larger sample s...
ungefär 12 år ago | 1
Plotting a polynomial that has fractions
This question doesn't clearly define your problem, so I or others will have a hard time answering you definitively. # If you ...
ungefär 12 år ago | 1
| accepted
Question
Loading data in the background?
I have a set of code that does the following: # Load a set of data # Display the data # Wait for the operator to make a jud...
ungefär 12 år ago | 1 answer | 0
1
answercallback function handle syntax inside objects?
I have found a way to accomplish what I was trying to accomplish, although it isn't by using function handles. In case anyone e...
ungefär 12 år ago | 0
Question
callback function handle syntax inside objects?
I have an object that generates a gui and controls some external equipment. I am trying to set things up so that a particular b...
ungefär 12 år ago | 1 answer | 1
1
answerQuestion
General Handle Removal
I am looking for a better way to close out/clean up handle references. Specifically: 1) 'Clear' removes the variable holding...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
How can I trigger activity in a top level gui from a timer in a lower level object?
I have an object that is polling status from a piece of equipment at regular intervals. It is doing this by starting a timer at...
mer än 12 år ago | 1 answer | 0
1
answerHow to compute RMS of three-phase voltage
I looked at the article you referenced. They appear to be feeding four parameters into a neural network: voltage@f1, current@f1...
mer än 12 år ago | 0
Question
Timer precedence during called functions
Hello, I have a timer that is pulling in video frames as a preview in a GUI. Unfortunately, I have found that if I call othe...
mer än 12 år ago | 3 answers | 2
3
answersQuestion
Timer function in OOP object constructor not working as expected
Hello, I have some oop code that talks to an instrument over a serial port. I want to continually monitor for and handle mes...
mer än 12 år ago | 2 answers | 0
2
answersQuestion
Compiled matlab executables not working correctly with java archives
I have several programs that I wrote in matlab that use external custom java archives. The programs work fine on my computer (w...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
3D ellipsoid closest fit estimation (as a way to characterize lens rolloff)
I am currently working with a number of lenses and need to be able to calculate and correct for the rolloff in an arbitrary part...
mer än 12 år ago | 1 answer | 0
1
answercreating a histogram in a specific way
Are you trying to bin on a log scale or are you trying to bin to arbitrary values? If you are trying to do the first, you m...
mer än 12 år ago | 0
Question
How can I remove a variable from the parent workspace while a function is using it?
I work with fairly large datasets, so the fact that they get duplicated when a function accepts them as an input can be a proble...
mer än 12 år ago | 2 answers | 0
2
answersQuestion
Apparent imshow memory leak?
Hello, I have some code that captures and displays images repeatedly for some time, and I noticed that it continually eats up m...
nästan 13 år ago | 3 answers | 1
3
answersQuestion
GUI operations on matlab objects (non-GUI)
I am having difficulty updating an object that I am using in a GUI callback. I am sure there must be a good way around it that ...
nästan 13 år ago | 2 answers | 0
2
answersQuestion
Issues with callbacks and large handle structures?
I am working on a gui, and encountered a strange problem. When I pass 'h' to a uicontrol callback and put a breakpoint in the c...
nästan 13 år ago | 1 answer | 0
1
answerFailure to release memory when releasing java objects
After much investigating: Some of the memory can not be freed up because it is allocated to external .dlls that don't bother ...
nästan 13 år ago | 0
| accepted
Question
Failure to release memory when releasing java objects
(EDITTED... PLEASE SEE COMMENT FOR UPDATED QUESTION) I have a couple of java .jars that I am using to control a camera and fram...
nästan 13 år ago | 2 answers | 0
2
answersQuestion
Can class/object parameters store structs? If not, is there an equivalent?
I am trying to usefully name internal state variables in a class I am writing (disclaimer: I started doing objected oriented cod...
nästan 13 år ago | 2 answers | 0
2
answersSimulating transfer functions in MATLAB?
Hello Jesse, Are the lines you are looking at linear? If they are sampled at different intervals/points, you could still do ...
nästan 13 år ago | 0
Question
Typecasting higher dimension matrices
I recently found (to my chagrin) that the typecast function only works on scalars and 1D matrices (i.e. arrays). Does anyon...
nästan 13 år ago | 2 answers | 0
2
answersQuestion
Java .dll library path issues
I am trying to use a java archive(.jar) which makes use of a number of external .dlls to control a PCI video framegrabber card. ...
nästan 13 år ago | 1 answer | 0
1
answerimage processing
Ganesh, If you are trying to observe the change in each parameter over time (i.e. from image 1 to image 100), just use a for ...
nästan 13 år ago | 0
| accepted
Question
How can I detect islands in a contour plot?
I am trying to detect abnormalities in data with respect to two variables. (Imagine an smoothly varying image where you are try...
nästan 13 år ago | 1 answer | 1
1
answerQuestion
Inline Indexing to Dynamic Field Names
How can I integrate and *index* function output into dynamic field names? Example: Say function y=fun(x) *outputs an array of...
nästan 13 år ago | 2 answers | 0