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# summer

##### Last seen: 1 year ago
10 total contributions since 2014

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Question

how to embed the imcontrast to GUI
I am the beginner of Matlab GUI. The dicom image is shown in my GUI now, so i need show the imcontrast tool at the same time. Bu...

1 year ago | 0 answers | 0

### 0

Question

what is the initial phase of the signal y=sin(2*pi*x)? zero or -π？
According to the explanation on the internet, the phase of the y=A*sin(2*pi*x+Phi) is 2*pi*x+Phi, and the initial phase is the r...

5 years ago | 1 answer | 0

### 1

Question

How to calculate the phase spectrum of the square wave with fft?
there is an article said that the phase spectrum is π or 0. I don't know it's right or not. so i used fft function to check it. ...

5 years ago | 0 answers | 0

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Question

the error information when i use fdesign.lowpass to design a filter.
the code: h = fdesign.lowpass('N,F3db,Ap,Ast' ,14, 0.93,0.1,60); the error message is : There is no enumerated value ...

6 years ago | 1 answer | 0

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Question

How to turn the cursor to a specific value in a big matrix?How to turn the cursor to specific coordinate in a big matrix,e.g. row 50,col 100.
RT, In the workspace, double click a matrix,it can be opened.if the matrix size is very big,e.g. 10000*20000,it is very trouble...

6 years ago | 0 answers | 0

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Question

why the imread output result is not same as the input of the imwrite?
if true % code data_test= [1 2 3 4; 2 5 0 6; 4 10 0 3; 5 8 6 14]; imwrite((data_test),'clown.png'); s=imr...

6 years ago | 1 answer | 0

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Question

how to show the title in the imtool figure?
I want to add some describtion in the imtool figure.But the describtion can not show up when i use title function. figure, imto...

6 years ago | 2 answers | 1

### 2

Question

How to add files to other parallel pool?
when I load a mat file before the parfor circle , I get an error described below. An UndefinedFunction error was thrown on the...

6 years ago | 0 answers | 0

### 0

Question

how to share multiple variables in different m files?
Now i have two solutions to address the problem. # The one is set all the variables need to share to ouptput variable,and inp...

6 years ago | 2 answers | 0