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# Jaehwi Bong

17 total contributions since 2019

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Question

How can I get a first value of each index from the other column?
I have this kind of data. First column and seconds column refer to an index and x value relatively. data = [1 200; 1 201; 1 202...

1 year ago | 1 answer | 0

### 1

Question

Fill gaps using Nan in for loop
I have a time series with some gaps in it and i want to fill the gaps with NaN in loop. For example, my data is data = [0 ...

1 year ago | 2 answers | 0

### 2

Question

Filling gaps in time series with Nan
I have this kind of data. data = [1 100; 2 200; 3 300; 5 500; 6 600; 7 700; 10 1000;] The first colum refers to consecutive ti...

1 year ago | 1 answer | 0

### 1

Question

Data filtering(Give a constraint to the length of each index )
I have this kind of data. First column and second column refer to an index and x value relatively. data = [ 1 201; 1 202; 2 301...

1 year ago | 1 answer | 0

### 1

Question

Data filtering(Cut from half length of index until next index )
I have this kind of data. First column and seconds column refer to an index and x value relatively. data = [1 200; 1 201; 1 202...

1 year ago | 1 answer | 0

### 1

Question

Find a series of consecutive numbers and change index of them
Hi, I have this kind of data. The first column and second column of the data refers to Index and time series(not consecutive) ...

1 year ago | 2 answers | 0

### 2

Question

How can I change marker size and form based on diameter and ellipticity values over frame?
My particle changes their size, form and coordinate over frame. I'd like to display their trajectory with the form of the parti...

1 year ago | 1 answer | 0

### 1

Question

how to display coefficient and offset on graph?
I'd like to display some values to plot. What should I do ? A=xlsread('A.xlsx'); t=A(:,1); i=A(:,2)/10^(2); ft = fittype('a...

1 year ago | 1 answer | 0

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Question

How to set bounds for coefficents when fitting Exponential?
I'd like to give boundary for coefficient(a, b and c). Whenever I run my fitting, it should give the coefficients within boundar...

1 year ago | 1 answer | 0

### 1

Question

What can I do for this Matrix manipulation
I have two types of matrix (29*1 and 168*1). K: 29*1, R: 168*1 The values of K represent specific n-th row of R. And I'd like t...

1 year ago | 0 answers | 0

### 0

Question

How to take R-Square value as a variable
I could take some a, b and c value of custom exponential equation.(F.a, F.b and F.c) I'd like to compute R-square value to a lo...

1 year ago | 1 answer | 0

### 1

Question

Align different starting point to zero
I have a matrix , 7096*3 double. At a first column, numbers represent same particles with different number. I have 168 particl...

1 year ago | 1 answer | 0

### 1

Question

Remove rows based on length of column value
I have a matrix , 1531*3 double. At a first column, numbers represent same particles from 1 to 14. I have 14 particles and eac...

1 year ago | 2 answers | 0

### 2

Question

image pixel value multiplication with constant using customized multiplier function
I loaded 4D image.tif (x,y,z over time/16bit gray scale) through Image J in Matlab. I'd like to change pixels using function an...

1 year ago | 0 answers | 0

### 0

Question

How can I expand x axis to have normal plot?
I have 500 values of x and y. When I plotted it, I got something weird plot. What can I do for that? t=data{:,1}; y=data{:,2...

1 year ago | 1 answer | 0

### 1

Question

How can I get total intensity of particles in noise image?
I have a spinning disk confocal image which has a lot of noise and particle(my interests have differnt size and move slowly over...

1 year ago | 1 answer | 0