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Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

5 years ago

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MATLAB Basic: rounding IV
Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9

5 years ago

Solved

MATLAB Basic: rounding III
Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8

5 years ago

Solved

MATLAB Basic: rounding II
Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

5 years ago

Solved

MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

5 years ago

Answered
How can I plot an internal value in a state space model?
Given that the voltage is not a directly controlled input, I do no know how to get this value during a simulation. Is u the vol...

5 years ago | 0

Answered
how to form matrix
From this documentation: https://mathworks.com/help/matlab/learn_matlab/matrices-and-arrays.html Try: m = [ m11 m12 ...

6 years ago | 0

Answered
Expressing an even number in powers of 2 and a multiple of an odd number.
I would do something like a = 80; r = 1; d = a/2; while mod(d,2)==0 r=r+1; d=d/2; end

6 years ago | 0

Answered
Simulink Serial Receive, Selection of communication port
This was a problem related to permission right, I had to acces to the device as an admin to be able to communicate with it.

6 years ago | 0

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Answered
Nyquist plot from 0 to Inf (only frequencies > 0)
If you specify the frequency as W = {WMIN,WMAX} WMIN and WMAX are real frequencies satisfying 0<=WMIN<WMAX<=Inf. So by settin...

6 years ago | 0

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How can the output be written in a new column (without overwriting the previous one)
You can use cell for that. You can try and adapt the following example: a=cell(3,1); for i=1:3 a{i}=ones(i,1); end a ...

6 years ago | 0

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how to use two for loop in one matlab program
You should read this: https://mathworks.com/company/newsletters/articles/matrix-indexing-in-matlab.html You cannot write v(z)(...

6 years ago | 0

Answered
How to solve: Error using "csvread". Too many output arguments
As the error says, you are requesting two many outputs arguments. The function 'csvread' only returns one output.

6 years ago | 0

Question

Simulink Serial Receive, Selection of communication port
Hi, From the help of this component: https://mathworks.com/help/instrument/serialreceive.html?searchHighlight=serial%20recei...

6 years ago | 1 answer | 0

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How to solve a 2D PDE with backward Euler?
At line 58, you are trying to access the 11th element of the Number matrix, but its dimensions are 10 x 10, so you get an error....

6 years ago | 0

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Answered
Appending data with different sizes
The easiest way would be the following something like this: a = [1 2 3]; b = [4 5 6 7]; n=size(b,2) a_bis=[a zeros(1,n)]; c...

6 years ago | 0

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help regarding controllability of input matrix
Is the matrix V completely free ? If you can actually add any input to your system, why don't you simply define C = eye(3) ...

6 years ago | 0

Answered
I need to view frequency spectrum with 50 kHz, 100 kHz and 150 kHz only of a time a signal (x) with 2000 kHz sampling frequency.How to do ?
Can you give more details about your problem ? Do these answers help you ? https://mathworks.com/matlabcentral/answers/36430-p...

6 years ago | 0

Answered
where is the error ?
In the command line, where you defined v, call the function this way: >> v= [1 2 3 ;4 5 6]; >> mini(v)

6 years ago | 0

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Modbus TCP/IP localhost
This was a firewall issue. Ubuntu has a built-in firewall that one can deactivate using this solution: <https://askubuntu.com/q...

6 years ago | 0

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Answered
Matlab to Python ( dot product and dot divide equivalents )
Please refer to: http://mathesaurus.sourceforge.net/matlab-numpy.html or https://docs.scipy.org/doc/numpy/user/numpy-for-matl...

6 years ago | 0

Answered
Forced step response of a signal
You can set the initial values of the step using stepDataOptions: <https://mathworks.com/help/control/ref/stepdataoptions.html>...

6 years ago | 0

Answered
Help with animating a line correctly
Is this what you're looking for: %This for loop is what does the drawing for idx = 1:length(t) figure(1); clf; ...

6 years ago | 1

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Answered
Calling Maple from Matlab
_Maple_ is not a built-in function that you can call in matlab. If you have installed Maple on your computer, you can launch ...

6 years ago | 0

Question

Modbus TCP/IP localhost
Hi, I would like to set up a modbus communication using TCP/IP. In order to test it, I wanted to set the communication bet...

6 years ago | 1 answer | 0

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Addition of two unequal matrices
You cannot compute A+B. You can only compute the sum for each column: A+B ans = 2 1 1 1 1 ...

6 years ago | 0

Answered
find eigenvalues of a very large sparse matrix
Dod you have a look at _eigs_ ? <https://mathworks.com/help/matlab/ref/eigs.html>

6 years ago | 1

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Verification problem-absolute/relative error
Are you working with floating point numbers? Have a look here: <https://mathworks.com/help/matlab/ref/eq.html#bt2klek-3>

6 years ago | 0

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Answered
Using an existing vector in a .M file
Does this discussion <https://mathworks.com/matlabcentral/answers/1748-storing-user-input-as-a-vector> answer your question ?

6 years ago | 0

Answered
How to extract a specific value from a loop.
_t_ is your time variable, so you have to use it to test if it's equal to 2seconds. if t==2 % assumes your time units i...

6 years ago | 0

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