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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...

meer dan 11 jaar 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...

bijna 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 ...

bijna 12 jaar 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...

bijna 12 jaar 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...

ongeveer 12 jaar 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 ...

ongeveer 12 jaar 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...

ongeveer 12 jaar 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...

ongeveer 12 jaar 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...

ongeveer 12 jaar 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...

meer dan 12 jaar 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...

meer dan 12 jaar 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...

meer dan 12 jaar 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...

meer dan 12 jaar 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...

meer dan 12 jaar 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...

meer dan 12 jaar 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...

meer dan 12 jaar 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...

meer dan 12 jaar 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...

meer dan 12 jaar 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...

bijna 13 jaar 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 ...

bijna 13 jaar 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...

bijna 13 jaar 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 ...

bijna 13 jaar 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...

bijna 13 jaar 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...

bijna 13 jaar 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 ...

bijna 13 jaar 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...

bijna 13 jaar 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. ...

bijna 13 jaar 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 ...

bijna 13 jaar 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...

ongeveer 13 jaar 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...

ongeveer 13 jaar ago | 2 answers | 0