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Sergey Kasyanov


Saints Petersburg Politechnical University

148 2017 이후 총 참여 횟수

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  • 3 Month Streak
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  • Matrix Manipulation I Master
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질문


Force output for function with no output
Hello! I am working with function handles and get error because function does not return anything. Can I force any function to ...

약 1달 전 | 답변 수: 1 | 0

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Run VBA code in MS Office through COM
Hello, I need to take some data from program through COM but that program does not working with Matlab correctly. However tha...

7달 전 | 답변 수: 0 | 0

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How i can call matlab basic function if that name is accotiated with couple of functions?
The simplest way to do that is use that code: varargout = builtin('diff',varargin{:}); Also you can looking for somethin...

1년 이상 전 | 0

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질문


How i can call matlab basic function if that name is accotiated with couple of functions?
Hello, I need to call function |diff| (differences between array elements) for array of symbolic variable but matlab is using...

1년 이상 전 | 답변 수: 2 | 0

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How to solve det(s^2*M+s*C(s)+K)=0 for s as fast as posible
You can try to use that code from <https://www.mathworks.com/matlabcentral/fileexchange/67052-matlab-scripts there>: A=Ga...

1년 이상 전 | 0

해결됨


Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

1년 이상 전

답변 있음
Help reducing memory usage during large matrix multiplication
I think that problem can be solved by the manual multiplication of matrices. %note: V2=(V2-I*C) is the same V2(172)=V2(172)...

1년 이상 전 | 0

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How I can fix this "Signal Dimension" error message ?
You may use |Simulink/Signal Attributes/Signal Specification block|. Specify number of dimensions like that is shown on the pict...

1년 이상 전 | 0

해결됨


Model a mass spring system
Model an ideal mass-spring system shown below where the spring is initially stretched. <<http://blogs.mathworks.com/images/se...

1년 이상 전

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Make a full wave rectifier
Produce a full wave rectifier waveform for the given sine wave source. For a sine wave input, the output of the full wave rec...

1년 이상 전

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Make a half wave rectifier
Produce a signal that outputs the given sine wave source when it is greater than zero and outputs zero when it is less than zero...

1년 이상 전

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Add offset to a signal
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-offset-eqn.png>> You should see a downward...

1년 이상 전

해결됨


Produce a sine wave
Produce a sine wave with amplitude 3: <<http://blogs.mathworks.com/images/seth/cody/sine-eqn.png>>

1년 이상 전

해결됨


Add a block to a model
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-block-eqn.png>> In this case, the slope of...

1년 이상 전

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Produce a cosine wave
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/cosine-eqn.png>>

1년 이상 전

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Connect blocks in a model
Connect the blocks in the model to produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/connect-blocks...

1년 이상 전

제출됨


Matlab scripts
My scripts for Matlab

1년 이상 전 | 다운로드 수: 3 |

질문


Window appears while code is runnig
Hello, I'm trying to create library with some |SimPowerSystem| blocks. When I use blocks from my library in |Simulink| model ...

1년 이상 전 | 답변 수: 0 | 0

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How can I have a timed (15 minutes) output signal based on external trigger? I want to generate an output HIGH signal for 15 minutes based on a event detection impulse signal.
Hello, This is the model with standart Simulink blocks. Output from |Switch1| is the desired signal. The |Compare To Const...

1년 이상 전 | 0

답변 있음
subs( ) command would not work
Hello, you should to reassign variable after substitution: A=subs(A,a,1);

1년 이상 전 | 1

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해결됨


Make a run-length companion vector
Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

1년 이상 전

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Flag largest magnitude swings as they occur
You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching thr...

1년 이상 전

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Given a window, how many subsets of a vector sum positive
Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

1년 이상 전

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Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

1년 이상 전

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Ripping numbers apart!
So you have to "rip" a number apart into individual digits... The end output is a cell. That is if: x = 12345678 o...

1년 이상 전

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Numbers in extended form
Shhhhhhh. Don't tell my daddy, but I'm borrowing his Cody account so all of you very smart people can help me out. I just star...

1년 이상 전

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Reverse Calculator
Use this reverse calculator and give correct output Its simple, In my Reverse calculator if you press 0 it will be considered...

1년 이상 전

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Decode a simplified barcode
Given a bar code from this <http://www.mathworks.com/matlabcentral/cody/problems/602-make-a-simplified-bar-code exercise>: Re...

1년 이상 전

해결됨


Make a simplified barcode
Given an integer to encode, make a barcode using the following encoding scheme: * The bar code is made from the binary versio...

1년 이상 전

해결됨


Test if a Number is a Palindrome without using any String Operations
*Description* Given an integer _X_, determine if it is a palindrome number. That is, _X_ is equal to the _X_ with the digits ...

1년 이상 전

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