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MacCormac College

2014 年からアクティブ

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質問


How to create a 3 dimensional matrix from two matrices each of 2 dimensions
I have two matrices A and B each of dimension 4x110. I would like to create a 3 dimensional matrix C of dimension 4x2x110 which ...

8年弱 前 | 1 件の回答 | 0

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質問


Reshape a matrix dimension
I have a matrix A which has dimension 1320 x14x4 and I would like to make it a matrix of dimension 12x110x14x4. I know I should ...

8年弱 前 | 2 件の回答 | 0

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質問


Question regarding Antenna toolbox example provided by mathworks ( beam pattern)
This question is related to the Antenna toolbox in MATLAB. I have found an online example from Mathworks, below is the link whic...

約9年 前 | 1 件の回答 | 0

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質問


How do I update a matrix in for loop (indexing problem)
Hello, I have a matrix A and a vector u. I want to run a for loop to update the vector u. The operation is easy, I will mult...

9年以上 前 | 1 件の回答 | 0

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質問


Questions regarding Classdef - functions
I have come across the following terms/functions when exploring a class builtin MATLAB and I would like to understand the code b...

9年以上 前 | 0 件の回答 | 0

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質問


The colon notation used in multidimensional array
I have come across the following notation in MATLAB y(:, :, :, 2) = y(:, :, :, 1); y(:, 1, :, 4) = y(:, 1, :, ...

9年以上 前 | 2 件の回答 | 0

2

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質問


I don't understand what this u(:,1) does to matrix or vector?
Hi What does the following notation mean u(:,1) Does it covert a row vector to a column vector? Thanks

9年以上 前 | 1 件の回答 | 0

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質問


Random Stream and mt19937ar with seed
Hello, The following object is built in by MATLAB comm.AWGNChannel('NoiseMethod', 'Signal to noise ratio (SNR)',... ...

9年以上 前 | 2 件の回答 | 0

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質問


persistent init and rng
I found the following command in a built in function in MATLAB, can anyone please explain to me what they mean? persi...

9年以上 前 | 0 件の回答 | 0

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質問


narginchk and varargin in MATLAB
I have come across PART of a code in MATLAB in a toolbox that I don't understand elseif (txMode==2) narginchk(7,...

9年以上 前 | 2 件の回答 | 0

2

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質問


Defining MATLAB function parameters
Hi, My question is regarding MATLAB syntax, I provided an example but I care about the syntax and not specifically about this...

9年以上 前 | 1 件の回答 | 0

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質問


Can't understand what rng(seed) does.
I have come across this command in matlab. rng(seed). I used the help to understand what its means, and I still don't get it. ...

9年以上 前 | 1 件の回答 | 0

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質問


Where do I ask specific toolbox questions?
My question is quite general. If I need to ask a question regarding a specific toolbox, for example specific questions regarding...

9年以上 前 | 1 件の回答 | 0

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質問


integral3 how can i make it faster?
I am using integral3 numerical integration to evaluate an integral whose result should end up with a number between 0 and 1 whic...

10年弱 前 | 1 件の回答 | 0

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質問


Speeding up integral3 command is taking too long to execute
I am using MATLAB to execute a triple integral using integral3 and it is running very slow. I was wondering if there ways to spe...

10年弱 前 | 1 件の回答 | 0

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質問


A double integral with a singularity point
I am trying to perform a double integration of function as follows <</matlabcentral/answers/uploaded_files/26049/Screen...

10年弱 前 | 1 件の回答 | 0

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質問


Major confusion for loops - precision not acquired
I have a loop that sums the values of function called pdfomegat omegat= -1.9999:0.01:+1.9999; sum1=0; ...

10年弱 前 | 3 件の回答 | 0

3

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質問


Symbolic integration vs numerical integration
I have an expression with three variables x,y and v. I want to symbolically integrate v, and so I use int function ...

10年弱 前 | 2 件の回答 | 0

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質問


How do I refine my integration?
I am using integral and integral2 functions to numerically integrate, I am however very skeptical about the results. I was wonde...

10年弱 前 | 3 件の回答 | 0

3

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質問


Reimann sum and numerical integration
I am trying to solve the functions below numerically using MATLAB <</matlabcentral/answers/uploaded_files/243...

10年弱 前 | 1 件の回答 | 0

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質問


Triple integral using integral3
The following is a triple integral I am trying to compute using MATLAB, (please check link for clear illustration) http://i....

約10年 前 | 1 件の回答 | 0

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質問


Triple integral found sym ?
I am trying to perform a numerical triple integral over s, gamma1, gamma2. The limits are (-inf +int) (0,+inf) and (gamma1,+inf)...

約10年 前 | 2 件の回答 | 0

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質問


Draw a polar plot from cartesian plot of gain function
I have used MATLAB to draw the following gain function of an antenna array, the code was as follows, Nt=8; deltat=1;...

約10年 前 | 1 件の回答 | 0

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質問


Numerical Integration Is my approach correct?
I have an integration which can not be solved in closed form and I have to solve numerically. I am using MATLAB built functions ...

約10年 前 | 1 件の回答 | 0

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質問


Help in integrating an expression
My question is regarding integral in MATLAB. Please don't be scared by the complicated notation. They are almost all constants. ...

約10年 前 | 1 件の回答 | 0

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質問


A problem with my digital communication code
I have a problem in writing in MATLAB a program that modulates data bits, adds noise, then demodulates it and calculates the bit...

約10年 前 | 2 件の回答 | 0

2

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質問


Integration numerical with variable limits
I am trying to find a double integration numerically where the inner integral has variable limits while the outer integral has ...

約10年 前 | 3 件の回答 | 0

3

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