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Umesh Prajapati


Indian Institute of Technology, Delhi

Active since 2016

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Answered
Warning: Matrix is singular, close to singular or badly scaled.
Check the second column of solution matrix. It is zero throughout. That's why you got the warning. It depends on the parameter v...

bijna 7 jaar ago | 0

Submitted


Poisson equation
How to solve a Poisson equation using MATLAB?

bijna 9 jaar ago | 2 downloads |

Submitted


The Rossler Attractor, Chaotic simulation.
These codes generate Rossler attractor, bifurcation diagram and poincare map.

bijna 9 jaar ago | 14 downloads |

Submitted


Point of maxima minima of a function of one variable
This program will calculate the point of maxima and minima of a function of one variable.

bijna 9 jaar ago | 2 downloads |

Question


How to plot bifurcation diagram for any parameter in Rossler system?
The Rossler system is: x'(t) = -(y+z) y'(t) = x + a*y z'(t) = b + z*(x-c)

bijna 9 jaar ago | 0 answers | 0

0

answers

Question


How to calculate round off error in each step of finite central difference approximation.
format long; f = @(x) exp(cos(x)); df = @(x) -exp(cos(x))*sin(x); x = 1; Truedf = df(x); h(1) = 1/2; H(1) = h; D(1) = (f(x+h...

bijna 9 jaar ago | 1 answer | 0

1

answer

Question


Hi, my prob is find the most accurate 1st derivative of f(x)=exp(cos(x)) at x=1, with h=0.5,0.25,..,2^(-16). I calculate the 1st der. using 1st order central diff formula & trying to improve the accuracy using Richardson extrap. got incorrect result
clear; clc; format shortG f = @(x) exp(cos(x)); df = @(x) -exp(cos(x))*sin(x); x = 1; Truef1 = df(x); A = []; h = 1/2...

bijna 9 jaar ago | 0 answers | 0

0

answers

Question


Solve a system of algebraic equations by Gauss elimination using two significant digits
Hi, I want to solve a system of algebraic equation by Gauss elimination using to significant digit. I am able to solve this, but...

ongeveer 9 jaar ago | 1 answer | 0

1

answer