Matlaber

Last seen: 約4年前 | 2019 年からアクティブ

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29 質問
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質問

What is the maths behind findpeaks function on matlab?
How can I use maths to explain this matlab function? https://ch.mathworks.com/help/signal/ref/findpeaks.html findpeaks fun...

5年弱前 | 2 件の回答 | 0

2

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質問

How to make only some part of a y axis label italic? (in boxplot?)
How to make italic in a boxplot lable? Is working ylabel('{\it text123} texting (%)') But this not working: boxplot(y,'L...

5年弱前 | 1 件の回答 | 0

1

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質問

How to plot a boxplot with same label?
I am trying to have a boxplot with similar label, but matlab boxplot does not take it. boxplot(randn(4),{'a','b','a','b'}) T...

約5年前 | 0 件の回答 | 0

0

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質問

How to label a plot in Matlab with combine label?
It is hard to explaine here. For example "peaks" is located second line and combine with "a" and "b".

約5年前 | 2 件の回答 | 1

2

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質問

How to change the colour or text or delete some text of the default graph in findpeaks function?
How to change the colour or text or delete some text of the default graph in findpeaks function? In this code below from matla...

約5年前 | 1 件の回答 | 0

1

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質問

How to plot 2 different colour using RBG setting
plot(x,y,'color',[0,0.5,0], x,y2, 'color',[0.5,0,0]) It said Error using plot Vectors must be the same length. If I am usin...

5年以上前 | 1 件の回答 | 0

1

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質問

How to plot 3D line graph?
How to plot a 3D graph below. I had tried "bar3", but it shown all the line up as bar graph. I want the line shown below. ...

6年弱前 | 2 件の回答 | 0

2

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質問

Amplitude Modulation Synthesis function in matlab?
For Amplitude Modulation, it suppose to have carrier amplitude and modulated amplitude. however, the matlab built in function...

6年弱前 | 1 件の回答 | 0

1

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質問

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...

約6年前 | 1 件の回答 | 0

1

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質問

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...

約6年前 | 1 件の回答 | 0

1

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質問

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 ...

約6年前 | 1 件の回答 | 0

1

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質問

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 ...

約6年前 | 0 件の回答 | 0

0

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質問

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...

約6年前 | 2 件の回答 | 0

2

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

約6年前 | 0

質問

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 ...

約6年前 | 3 件の回答 | 0

3

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回答済み
PCA LDA
Why deleted?

約6年前 | 0

質問

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 ...

約6年前 | 0 件の回答 | 0

0

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質問

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 ...

約6年前 | 0 件の回答 | 0

0

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回答済み
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...

約6年前 | 1

回答済み
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. ...

約6年前 | 0

質問

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. ...

約6年前 | 1 件の回答 | 0

1

回答

回答済み
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 ...

約6年前 | 0

質問

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...

約6年前 | 2 件の回答 | 0

2

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質問

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 = ...

約6年前 | 2 件の回答 | 0

2

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質問

Why "File not found"?
I am trying to follow the example of csvread here csvread filename = 'csvlist.dat'; M = csvread(filename) I have csvlist.dat...

約6年前 | 0 件の回答 | 0

0

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質問

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) / (...

約6年前 | 1 件の回答 | 0

1

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質問

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...

約6年前 | 1 件の回答 | 0

1

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質問

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...

約6年前 | 0 件の回答 | 0

0

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質問

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...

約6年前 | 4 件の回答 | 0

4

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質問

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...

約6年前 | 1 件の回答 | 0

1

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