Answered
Delete every nth element in array and increasing 1 NaN value per new row
nRow=15; nCol=10; Array=repmat(1:nCol,nRow,1); for k=1:nRow index=mod((1:nCol),k+1)~=1; Array(k,index)=nan; end A...

2 years ago | 0

Answered
How can you populate a cell array horizontally to get correct data in columns?
reshape(datare,28,[]) and then transpose() data=num2cell(1:80); datare = reshape(data,1,[]); web = reshape(datare,8,[]); tra...

2 years ago | 1

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Answered
block first row of a cell
value = {'Value';'8126';'5354';'1406';'4265'}; name = {'Name';'B';'A';'N';'R'}; union = [name,value]; B = sortrows(union(2:en...

2 years ago | 0

Answered
One-time data import into Simulink
What you need to do are: Load the 10001x5 matrix into MATLAB base workspace. This just needs to be done once and can be done th...

2 years ago | 0

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Answered
How I write an exist inside a for loop that will continue if the variable does not exist?
exist('wrist', 'var'), not exist(wrist, 'var') exist('wrist', 'var'), not exist('wrist{k}', 'var') I suggest using try-catch ...

2 years ago | 0

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Answered
N-D Look up Tables
You have a 10000x8 table. The first seven columns (10000x7) data is all the possible combinations of the seven input variables. ...

2 years ago | 0

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Answered
Is there a path in the string?
You can utilize the exist() function. Assume you are at the c:\root folder, and there is a \report sub-folder exist('\report',...

2 years ago | 1

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Stream data from function to workspace in real time
Use the MATLAB Function block.

2 years ago | 0

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Simulink: Class instance as output of a MATLAB function block
If involving object and class, use the MATLAB System block, although, you can't output an "object". You can utilize the methods ...

2 years ago | 0

Answered
keep getting an error message saying might be missing a closing bracket, causing invalid syntax at y, but the bracket is there. (line 34)
You can paste the text, instead of attaching a snapshot picture. I believe there is a mistake in defining the odeFun. There is ...

2 years ago | 0

Answered
Simulink Switch doesn't propagate rate transition
Not sure what you exactly mean, but a Signal Specification block can specify any rate you want.

2 years ago | 0

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Can I link optimization code with Simulink file?
In the most common case, you run the code above, all the variables will be created in the base workspace. If your Simulink model...

2 years ago | 0

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How to load the simulink variables and parameters from model workspace to the base workspace
Don't copy. Use the Model block (model reference) to reference models in another model. Do it manually. Open all the models. Op...

2 years ago | 1

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How to Hold the sensor values for 10s and update the output value (boolean) using simulink
Use a Unit Delay block to store the previous value. I assume that is what you will use to compare "If the value from sensor is s...

2 years ago | 0

Answered
find_system() for custom library
The blks = find_system() will return 4 block handles. The first one is "sys" itself and the next three are the three customized ...

2 years ago | 0

Answered
How do I avoid hardcoding output size when using simulink coder.extrinsic?
I suspect that the "parameter" in your code is not really a parameter-by-definition by the MATLAB Function block. It appears as ...

2 years ago | 0

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Answered
why is my code not outputting to an excel file? Can someone fix this? I get Warning: Unable to write to Excel format, attempting to write file to CSV format.
In terms of xlswrite(), your code is fine. I've tried it and it creates the file. You might want to change range='A2:F37'. Try ...

2 years ago | 0

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Answered
Merging cells problem with actxserver
The merge of D1:E1 was impacted by the merge of B1:C1? Try the reverse order, F1:G1, then D1:E1, then B1:C1. Also, variable "e...

2 years ago | 0

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Answered
Is it possible to extract data points from what is displayed on the Array Plot block in Simulink into the base MATLAB workspace?
The way you save the data points to the MATLAB base workspace is correct. The Array Plot shows the frequency on x axle from 0 ...

2 years ago | 0

Answered
Naming signal in simulink based on workspace variable value.
It can't be done like a numerical parameter, where you can type in e.g. pi, instead of 3.1415926535 But it can be done through ...

2 years ago | 0

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I face this error every time.
The referred mdlStart.m file must have been accidently modified or over-written. The original file is a M-file function. The mes...

2 years ago | 0

Answered
How to change the width of the command window?
Apparently, the width won't be big enough even if you could adjust it. Try this: a=1:100; open a

2 years ago | 0

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Answered
Simulink Matlab function block output is inferred as a variable-size matrix, but its size is specified as inherited or fixed
There are issues with the code. The size of "inputStream" is going to grow indifinitely. I suggest using a Buffer block to repl...

2 years ago | 0

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Answered
Changing the font size in the mask gives warning
You may not realize, text() used in Simulink Mask doesnot have full functionality as in MATLAB. See this note in the doc. While...

2 years ago | 0

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How to select specific data rows from neighboring column
index=and(T(:,1)>=21, T(:,1)<=30); x=T(index,4); y=T(index,3); z=T(index,2);

3 years ago | 1

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Answered
loss of data/missing elements in array after a for loop
If you don't pre-allocate idx_matrix_bool_mat_filt, this could happen. Do idx_matrix_bool_mat_filt=TD_32_colon before the loop. ...

3 years ago | 1

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Answered
How to change variable name in MAT file
Save the .mat file as what it is from the source. Use a=load('*.mat') to load it. "a" would be a structure. The variable is in a...

3 years ago | 1

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Answered
Dialog box in the mask for different equations
A few steps. Change the name of the "Interpreted MATLAB Function" block to be "MyFun", so it's easy to reference it in the code...

3 years ago | 1

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Answered
How can I write an array to a txt file such that it looks like MATLAB syntax
use mat2str(), write the string to the text file A = [1 2 3 4; -1 0 1 2; 3 9 5 7; 12 100 1000 1012]; str=mat...

3 years ago | 0

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Answered
mapping between two different matrices
a=[1 2;3 4;5 6]; b=[1 2 3;1 2 3;1 2 3;1 2 3;1 2 3]; c=[1 2]; [~,index]=ismember(c,a,'rows'); b(:,index)

3 years ago | 0

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