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Kouichi C. Nakamura


Last seen: 5 months ago |  Active since 2016

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neuroscientist

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Question


"opengl software" is not supported in command line?
I've been using the same code on the same Windows 10 PC over and over. but since one day, MATLAB started issueing an error when ...

3 years ago | 1 answer | 1

1

answer

Answered
how do i display text in command window matlab LiveScript?
As Sarah T wrote, input can show text in Command Window, but it prompts user input. Sometimes you don't want that. If your purp...

3 years ago | 0

Answered
Draw stack order for yyaxis
As DJ pointed out, the link Plot line-chart on the left axis uper the bar-chart on the right axis, is very useful. Just to make...

3 years ago | 5

Question


Could not save custom class objects in a particular combination but why?
I want to use save function to save variables as a cache file cachefile. When I do so, I receive this error message: save(ca...

3 years ago | 0 answers | 0

0

answers

Answered
readtable cannot handle double quotation marks very well
I asked this to Mathworks and their answer was helpful: opts = detectImportOptions('file1.csv','NumHeaderLines',0,'Delimiter','...

4 years ago | 0

Question


readtable cannot handle double quotation marks very well
I have CSV files saved with LibreOffice with text flanked by double quotation marks (Format quoted field as text). When I tried...

4 years ago | 1 answer | 0

1

answer

Question


`fopen` cannot create a binary file on NAS
I've been using fopen on a NAS regularly without a problem, but somehow I encounter a problem today, and fopen keeps failing to ...

4 years ago | 0 answers | 0

0

answers

Answered
Why findobj cannot find a TexBox (annotation) object?
It turned out that TextBox txb is a child of an AnnotationPane or 'matlab.graphics.shape.internal.AnnotationPane' object. And Ha...

4 years ago | 1

Question


Why findobj cannot find a TexBox (annotation) object?
While HandleVisibility property of a TextBox object is 'on' by default, fig = figure txb = annotation('textbox',[0.5 0.5 0.5...

4 years ago | 2 answers | 0

2

answers

Question


Is there a way to save snapshots of figures in a LiveScript without keeping the figure objectss open in a for loop?
I have a plotting function in a for loop to go through data and produce a plot for each of them. Let's say the resultant figure ...

4 years ago | 1 answer | 0

1

answer

Answered
Remove 50 Hz noise
This looks like an answer. Remove the 60 Hz Hum from a Signal https://uk.mathworks.com/help/signal/ug/remove-the-60-hz-hum-fro...

5 years ago | 0

Question


Is Dunn-Sidak approach in multcompare identical to so-called Dunn's test?
These two articles recommend Dunn's test as non-parametric post hoc multiple comparison test following Kruskal-Wallis test. H...

5 years ago | 0 answers | 0

0

answers

Question


What are pros and cons of matfile vs memmapfile for partial loading of large data?
MATLAB offers ways to access a fraction of data without loading a whole file, and they can be really useful particularly when yo...

5 years ago | 0 answers | 0

0

answers

Question


Why fwrite is ~320x slower in the second interation and onwards when writing interleaved data?
I'd like to write a binary file, which should contain four vectors of integers in the same length in an interleaved fashion. Fo...

5 years ago | 2 answers | 0

2

answers

Answered
jupyter notebook vs live scripts
Both Jupyter Notebook and R Notebooks support markdown, but for back-compatibility reasons (I think) MATLAB's Live Editor uses M...

5 years ago | 3

Answered
How can I use Python pandas in MATLAB?
pyversion returns Python installation outside of Anaconda. >> pyversion version: '2.7' executable: 'C:\Python27\py...

5 years ago | 2

| accepted

Question


How can I use Python pandas in MATLAB?
Looking at this tutorial (https://uk.mathworks.com/help/matlab/matlab_external/call-user-defined-custom-module.html), it appears...

5 years ago | 2 answers | 0

2

answers

Question


Error "Array indices must be positive integers or logical values" for functioning code
I'm using ImageJ via MATLAB to modify a series of large TIFF files (3.8 GB) in a for loop. The loop works without error, so m...

6 years ago | 0 answers | 0

0

answers

Submitted


kouichi-c-nakamura/copytoImagePlus
copytoImagePlus allows you to turn a MATLAB array into ImagePlus Java object for ImageJ.

6 years ago | 1 download |

Submitted


kouichi-c-nakamura/ijmshow
a wrapper of IJM.show() to support opening a MATLAB array as 5D hyperstack in ImageJ

6 years ago | 1 download |

Question


ImageJ-MATLAB's `IJM.show` freezes when opening an image of 2GB size
I'm using ImageJ-MATLAB's |IJM.show(name)| to open an array of 2GB as an image in ImageJ, and everytime I end up crashing MATLAB...

6 years ago | 0 answers | 1

0

answers

Answered
Is there a workaround to conditionally import java class to import list in MATLAB?
This really is a cheating, but calling `func1` does not issue an error. Putting `import` statement into `eval` is one way. There...

6 years ago | 0

Answered
2018a Copy Paste not working Live Scripts
I'm also experiencing the same issue with exactly the same error message. And it's related to a folder in Temp, so SilentClea...

6 years ago | 0

Answered
Writing multidimensional TIFF files using imwrite
I recommend to use |ijmshow| in conjunction with Fiji's ImageJ-MATLAB. <https://github.com/kouichi-c-nakamura/ijmshow> ...

6 years ago | 2

Answered
Is there a workaround to conditionally import java class to import list in MATLAB?
Actually, I might have found a workaround. function testfun1() if 0 import ij.process.LUT ...

6 years ago | 0

| accepted

Question


Is there a workaround to conditionally import java class to import list in MATLAB?
I guess the answer is no, but I'd like to try. Is there a workaround to conditionally import java class to import list in MAT...

6 years ago | 2 answers | 0

2

answers

Answered
How can I save an image with four channels (or more) into an ImageJ-compatible TIFF format?
This is quite a tough issue. Here's a summary of what I've learned so far. *1. bfsave()* Bio-formats MATLAB plugin's |b...

6 years ago | 2

| accepted

Question


How can I save an image with four channels (or more) into an ImageJ-compatible TIFF format?
I have four channels image data and want to save it to |TIFF| format that is compatible with ImageJ/Fiji. Standard |imwrite| ...

6 years ago | 2 answers | 0

2

answers

Question


Why doesn't a parfor loop run properly with a custom object with saveobj and loadobj methods?
I'm having an issue with a |parfor| loop that uses custom objects. The loop runs properly if it was |for| loop instead of |parfo...

7 years ago | 2 answers | 1

2

answers

Question


How to detect the changes in figure size to invoke a callback function?
I noticed that design and layout of a figure can be compromised when the figure's size or dimension is changed. In most case...

7 years ago | 1 answer | 0

1

answer

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