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# Matlaber

30 2019 年以降の合計貢献数

#### Matlaber's バッジ

How to get Matlab read my char file in excel?
I have a list of char in my excel file. I want to import to my matlab like below: I had tried below y=csvread('test10...

9日 前 | 1 件の回答 | 0

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How to get Matlab read my char file in excel?
Let say I have a csv file and have a list of char inside. I want to read it as: x=dlmread('test10042019_char.csv'); y...

9日 前 | 1 件の回答 | 0

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how to create a char
I am trying to follow: https://uk.mathworks.com/help/stats/boxplot.html One of the code, said that: load carsmall How can ...

9日 前 | 1 件の回答 | 0

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How to turn a discrete to a continuous using t
I want to turn a discrete value to a continous using a t as time. (I also not sure what i asking is correct) Basically, I ...

10日 前 | 0 件の回答 | 0

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What does i mean as example: 1.2428 - 0.0003i
What is the meaning of the result i get when i run matlab code: 1.2428 - 0.0003i 1.2320 - 0.0003i 1.2250 - 0.0002i...

28日 前 | 2 件の回答 | 0

### 2

what does "X = X./max(max(X))" means?>
https://slideplayer.com/slide/14985720/ source

what does "X = X./max(max(X))" means?>
>> X=[1,2,3,4] X = 1 2 3 4 >> X = X./max(max(X)); >> X X = 0.2500 0.5000 0.7500 ...

### 3

PCA LDA
Why deleted?

LDA for 2 classes only, why have 3 classes?
Hi, I am trying to use the original code Link here LDA link I found strange is the dataset have 3 classes, but the plotted ...

### 0

What is the meaning of vec2ind "Convert vectors to indices"?
vec2ind vec = [0 0 1 0; 1 0 0 0; 0 1 0 0]' vec = 0 1 0 0 0 1 1 0 0 0 0 ...

### 0

Reducing dimensionality of features with PCA
Is there any setting input arguement of coeff = pca(X) coeff = pca(X,Name,Value) [coeff,score,latent] = pca(___) [coeff,sco...

PCA to reduce dimensionality of feature vector
I just want to have a simple PCA to reduce my dimensionality of let say 400 * 5000 to 400 * 4 meaning reduce from 5000 to 4. ...

PCA in Matlab reduce dimensionality
I just want to have a simple PCA to reduce my dimensionality of let say 400 * 5000 to 400 * 4 meaning reduce from 5000 to 4. ...

### 1

How "hold on" function works?
Is "hold on" function only work in plotting? csvwrite('1test.csv',a, 0,1); hold on; csvwrite('1test.csv',b, 0,2); It seemed ...

How to write multiple input into one csv file
Let say I have a=1; b=2; c=3; d=4; I want to put this output value in matlab to a csv file in the order below. I can use...

### 1

How to read only 1 value in row 2, column 1 ?
I just want to read one value in my csv file. For example: filename = 'csvlist.dat'; M = csvread(filename) result is M = ...

2ヶ月 前 | 2 件の回答 | 0

### 2

I am trying to follow the example of csvread here csvread filename = 'csvlist.dat'; M = csvread(filename) I have csvlist.dat...

2ヶ月 前 | 0 件の回答 | 0

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How to find a slope of signal if we do not know the value of x1, x2, y1, y2
How can we find the slope of a signal if we do not know the value of x1, x2, y1, y2 which we cannot use Slope = (y2 - y1) / (...

2ヶ月 前 | 1 件の回答 | 0

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How to plot a specific value in Y-axis?
I want to plot a specific range of Y-axis and not the entire Y-axis. For example: load sunspot.dat year = sunspot(:,1); av...

2ヶ月 前 | 1 件の回答 | 0

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How to find the value of "Border" in findpeaks built-in function?
Example using this link findpeaks function example link x = linspace(0,1,1000); Pos = [1 2 3 5 7 8]/10; Hgt = [4 4 2 2...

2ヶ月 前 | 0 件の回答 | 0

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How to cut out specific segment from findpeaks function?
Hi All, I am trying to figure out how to cut out the specific segment of the signal where I draw the border using findpeaks fun...

2ヶ月 前 | 3 件の回答 | 0

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What is the meaning of "width" and "prominences" in findpeaks
It said that: [pks,locs,w,p] = findpeaks(data) additionally returns the widths of the peaks as the vector w and the prominences...

2ヶ月 前 | 1 件の回答 | 0

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how to use helperGaitPlot?
It still not working even with Matlab version 2018b. It said: Undefined function 'helperGaitPlot' for input arguments of typ...

3ヶ月 前 | 0

how to use helperGaitPlot?
How to use helperGaitPlot helperGaitPlot('als1m'); xlim([0 30]) when i run, it said: >> helperGaitPlot('als1m'); xlim([0 30...

3ヶ月 前 | 3 件の回答 | 0

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Hi, I am using Matlab version 2015b. I can use "cumsum", but not "cusum". Is it because of different version? cusum link: c...

3ヶ月 前 | 2 件の回答 | 0

### 2

Error in using Load
I am trying to follow "Detecting Outbreaks and Significant Changes in Signals". Link as follow: Link load WestAfricanEbolaOu...

3ヶ月 前 | 1 件の回答 | 0

### 1

peak width calculation methods
I still cannot get the meaning how the width being calculated.

3ヶ月 前 | 0

findpeaks ( 'WidthReference','halfheight' ) not finding width of peak
Maybe you can paste your code here and have a look. Are you able to find the peaks on your data?

3ヶ月 前 | 0

How the value being calculated for "widths" and "proms" in Peak Prominences?
I am wondering how the value being calculated for "widths" and "proms" in Peak Prominences? I am following "Peak Prominences". ...

3ヶ月 前 | 0 件の回答 | 0

### 0

How can I use the 'opposite' of findpeaks input argument?
why cannot we use findpeaks(select,Fs,'MinPeakHeight',10) MinPeakHeight is control the Y-axis level, above 10

3ヶ月 前 | 0