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Amit Kumar


自 2013 起处于活动状态

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统计学

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Two basic questions in matlab
Hello all, I used matlab for some time, but this did not made me thorough with basics. 1. If I have two matrices, I1 3x3 an...

10 years 前 | 1 个回答 | 0

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Problems with matlab symbolic dsolve function
Any ideas?

10 years 前 | 0

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Problems with matlab symbolic dsolve function
Hi I feel that something is going wrong with matlab dsolve function. Here is simple code: syms y x dsolve('9*D2y+y=x*...

10 years 前 | 2 个回答 | 0

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提问


how to define a variable as a function of another variable in symbolic toolbox
Hi I am just wondering whether is it possible to do following: define a variable as a function of x u=f(x) Then, ...

10 years 前 | 1 个回答 | 0

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Errors in using string and vector together
Hi I want to display string and vector of floating point numbers together, but matlab flags error - 'dimensions of matrices are...

10 years 前 | 1 个回答 | 0

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Error in simple ode45 functions
Hello, I am trying to solve a non-stiff 2nd order ODE with ode45 function. My ODE is d^2y/dt^2 = -g + (4/15)*(1/m)*(dy/dt)^2 ...

10 years 前 | 1 个回答 | 0

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Best MATLAB-like C++ numerical libraries ?
Any ideas?

10 years 前 | 0

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Best MATLAB-like C++ numerical libraries ?
Hi all, MATLAB makes linear algebra and matrix operations very easy and it is causing me pain to work in C++ ! I started with C...

10 years 前 | 2 个回答 | 0

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How to use multi-part function to find Fourier series coefficients with this program?
Hi I am writing a script to find Fourier series coefficients. Code is given below. In the code, I have function f=x*x defined o...

10 years 前 | 1 个回答 | 0

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How to solve this without goto statement?
Hi all, I think it is bad that matlab doesn't have a goto statement (many people will strongly disagree, but excuse me for the ...

10 years 前 | 3 个回答 | 0

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Matlab hyperbolic PDE equation errors
Hello people, I am trying to solve a hyperbolic PDE and as a kickstart, I am using a code from matlab documentation but chang...

10 years 前 | 1 个回答 | 0

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Matlab 2D hyperbolic partial differential equation change to 1D
I wish to change 2D hyperbolic PDE script to 1D PDE. I am a beginner in PDE to want to study the code and changes. Below is my c...

10 years 前 | 0 个回答 | 1

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How to change the line width for fplot?
Hello All, I want to make lines in graph thicker. Here is my code, but it seems not working. clear all; close all clc; w1...

10 years 前 | 2 个回答 | 2

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How to get roots of determinant (characteristic) equation?
Hello all, I am solving an eigenvalue problem and giving symbolic matrix as input. I want to find roots of characteristic equat...

10 years 前 | 2 个回答 | 0

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Errors in passing a constant to a function in boundary value problem (bvp4c function)
Hello all, I am trying to solve a boundary value problem and I wish to pass value of variable E to odefunction() and bcf...

10 years 前 | 1 个回答 | 1

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Is it possible to solve this equation without symbolics?
Hi all, I am doing research involving numerical computations. Obviously symbolics are expensive to compute. So I am trying to c...

10 years 前 | 2 个回答 | 0

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How to pause execution of program until a keypress
Hi, I have two parts in my Matlab program and I want to pause first part until keypress event by user. I searched to pause func...

10 years 前 | 3 个回答 | 2

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How to solve this symbolic nonlinear equation
Hello all, I am getting stuck at solving a nonlinear symbolic equation. Here is code: syms F0; %temp1 is obtained by so...

10 years 前 | 1 个回答 | 0

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Efficient way to solve this (nonlinear) equation?
Hello all, I want to solve a nonlinear equation but don't know efficient way to do it in Matlab. Can anyone suggest a good way?...

10 years 前 | 1 个回答 | 0

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How to display a string and matrix in MATLAB?
Hi all, This question can look very basic to some experts of this forum, however the question bugs me as I am not an expert. ...

11 years 前 | 3 个回答 | 1

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Why to use vpa instead of double in dealing with symbolic variables?
Hello, I have a matrix in symbolic form and I want to convert it or display it as float. How to do this? Here is my simple cod...

11 years 前 | 1 个回答 | 0

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Which is book should I use for learning matlab?
Hi, I use matlab for scientific computing and I use symbolic toolbox as well. I read some matlab books such as Gilat's, but mos...

11 years 前 | 4 个回答 | 0

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How to substitute multiple values in symbolic matrix?
Hi, How to substitute multiple values in symbolic matrix? With function subs, we can substitute only single value in expression...

11 years 前 | 2 个回答 | 0

2

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double integral in MATLAB, limits as variable?
Hi, Is it possible to do a double integral in MATLAB numerically, where limits are functions of variables? Say my integrand is ...

11 years 前 | 2 个回答 | 0

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Question in plotting same value for a range of values
Hi all, I am trying very hard to plot same values for a number of values, but no success. I request to you to help me. Here is ...

11 years 前 | 0 个回答 | 0

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Unable to run symbolic script, MATLAB is making fractions extremely large and unable to handle them
Hi all,

11 years 前 | 1 个回答 | 0

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How to plot a fixed value for a range in MATLAB?
Hello, This appears a simple question but I am not able to solve it. I want to plot a certain value for a range of variables. O...

11 years 前 | 2 个回答 | 0

2

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Symbolic variable array problem
Hi, I am trying to create an array in symbolic variable. However I am not successful in this task, something is going wrong. I...

11 years 前 | 1 个回答 | 0

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How to convert symbolic calculation to numeric?
Hi, I want to convert symbolic calculations into numeric one and substitute in the MATLAB program. This is because symbolic com...

11 years 前 | 1 个回答 | 0

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Problem with symbolic math
Hello, I am trying hard to get code running, however I am stuck at a place. Please help me. I have declared 3 symbolic varia...

11 years 前 | 2 个回答 | 0

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