# Rui Zhang

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Question

how to find out the index of a cell array that cell contains my substring?

My question is: myCellArray = {'John','Mike','foo'}; substring = 'Jo' Since myCellArray{1} contains "Jo', I expected the ind...

3 months ago | 2 answers | 0

### 2

answersQuestion

How to convert matlab class with subclass to a struct with substruct?

If class name is classname1 and it has multiple subclasses: classname1.subname1.subname2.variable1; name1.subname3.variable2; ...

8 months ago | 1 answer | 0

### 1

answerQuestion

Scalar variable as output of Matlab function in Simulink

I careted a Simulink model in MATLAB 2017 for debug. The model includes only a MATLAB function. It is shown in the image below; ...

1 year ago | 1 answer | 0

### 1

answerWorkspace definition of "a variable" doesn't match this m-scripts definition

Hello Yuvraj, Thank you for your reply. I found my code to clear variables in the base workspace. "EngineeringModel" is n...

1 year ago | 0

Question

Workspace definition of "a variable" doesn't match this m-scripts definition

I got an error message: Error executing "PreSimFcn" on Simulation input object. Workspace definition of "EngineeringModel" doesn...

1 year ago | 1 answer | 0

### 1

answerQuestion

Not able to assign a value to a member of class in MATLAB

Below is the class definition and I want to change obj.inputs by using setInputs method: classdef LinearLayer %UNTITLED2...

2 years ago | 1 answer | 0

### 1

answerQuestion

Simulink model can be compiled in normal mode, but can't be compiled in acceleration mode?

I removed all the C-code in S-functions in my Simulink model and I want to run it in acceleration mode. I am able to run it in n...

3 years ago | 1 answer | 0

### 1

answerQuestion

how to find a given parameter in state flow chart

When compiling a stateflow model, the system complains parameters 'myParameterName' and 'myParameterName' are conflicting. Decla...

3 years ago | 1 answer | 0

### 1

answerQuestion

unable to exit matlab program

In the MATLAB command window, I typed "exit", trying to quit the MATLAB program. But I can't. I got an error message like: >> ...

3 years ago | 1 answer | 0

### 1

answerQuestion

Trouble with jsondecode() and jsonencode()

I have a JSON file. I am trying to test the MATLAB functions before using them. So I loaded it str1 = fileread('json_filena...

3 years ago | 1 answer | 0

### 1

answerQuestion

Matlab code and filterDesigner give different plots for the same setting of Chebyshev II bandpass filter?

Hello, The image below shows the settings in the filterDesigner by using Chebyshev type II bandpass filter and the plots. ...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to add a figure into PPT by using MATLAB script?

I have trouble to add figure into a PPT with MATLAB scripts: % -------------------- import mlreportgen.ppt.* slides = Prese...

4 years ago | 0 answers | 0

### 0

answersQuestion

How to write row_headers into Excel Spreadsheet.

If I have a column array row_header = {'me'; 'you'; 'It'}, I want to write the three into 3 column cells (not in a row). How can...

4 years ago | 0 answers | 0

### 0

answersQuestion

my Simulink object problems

I am using MATLAB 2017b and I got Simulink object data type error: Simulink.DataType object 'my_Inputs_Bus' is not in scope f...

4 years ago | 0 answers | 0

### 0

answersQuestion

Unable to read the last line by using regexp

I used the following code to read text line by line. But the result excludes the last line. For example, if my text is: void my...

5 years ago | 1 answer | 0

### 1

answerQuestion

What is the function of a question mark '?' in regular expression

If I have a C code text with two comments like below and I want to use matlab regular expression function to remove all the comm...

5 years ago | 2 answers | 0