# huazai2020

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Question

How to create a periodic function?

The function at [0,2] is y=x for [0,1] and y=2-x for [1,2], I want the above function repeated at [2,10], so I need a periodic f...

2 years ago | 3 answers | 0

### 3

answersQuestion

Who can help me fit the data using the matlab, thank you.

Who can help me fit the data using the matlab, thank you.The fitting equation should be below: y=b1*x1^b2 *x2^b3*x3^b4*x4^b5*x5...

2 years ago | 1 answer | 0

### 1

answerQuestion

This is the code that I write to find the minimum distance between the points (column A and column B in the data1.xlsx) with the wall (column C and column D in the data1.xlsx) ,but it has errors, who can help me ,thank you so much.

This is the code that I write to find the minimum distance between the points (column A and column B in the data1.xlsx) with the...

2 years ago | 1 answer | 0

### 1

answerQuestion

Does anyone know how to calculate the slope of elliptical line by using the matlab？

I have some data of the elliptical line， does anyone know how to calculate the slope of elliptical line by using the matlab？

2 years ago | 1 answer | 0

### 1

answerQuestion

Who could use short code to represent the following code：

Who could use short code to represent the following code： data(:,12)=(data(:,2)+data(:,3)+data(:,4)+data(:,5)+data(:,6)+data(:,...

2 years ago | 1 answer | 0

### 1

answerQuestion

I find there is some problem with the importdata function import data, there is some data without negative character?What is the reason?

I find there is some problem with the importdata function import data, there is some data without negative character?What is the...

2 years ago | 1 answer | 0

### 1

answerQuestion

I have some data at hand, I want to correlate them, but I do not know what is the equation I should need, how can I do it ?

I have a lot data at hand, I want to correlate them, but I do not know what is the equation I should need, how can I do it ? Do...

2 years ago | 1 answer | 0

### 1

answerQuestion

Does anyone know how to report the data in the Fluent in parallel way?

I have so many data in Fluent, I want to report the data , but it is quite long time to deal with one by one, does anyone know h...

2 years ago | 0 answers | 0

### 0

answersQuestion

Who could get all the data in the attached file by the matlab?

Who could get all the data in the attached file by the matlab? I do not need the text words, but only need the data in two colum...

2 years ago | 2 answers | 0

### 2

answersQuestion

Does anyone know how to use the matlab to calculate the minimu distance between a point outside oval and the oval surface？

Does anyone know how to use the matlab to calculate the minimu distance between a point outside oval and the oval surface？

2 years ago | 3 answers | 1

### 3

answersQuestion

Why I the data processed by the matlab is wrong, it reports three wrong results,what is the reason?All the data and .m files are included ,who can help me?

Why I the data processed by the matlab is wrong, it reports three wrong results,what is the reason?All the data and .m files are...

2 years ago | 3 answers | 0

### 3

answersQuestion

Why I cannot fit a function with more than five variables？

Why I cannot fit a function with more than five variables？It gives the errors below， who can help me？

2 years ago | 1 answer | 0