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Lukgaf


University of Kwazulu Nata, South Africa

自 2018 起处于活动状态

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Where have I made mistakes in this code
%prob2.m % u’’- 4u’ + 4u = exp(x)+ C; % Subject to u(1) = 0; u(-1) = 0; C=(-4*exp)/(1+(exp)^2); N = 40; [D, x]=che...

6 years 前 | 1 个回答 | 0

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chebyshev differentiation matrices codes not callable
% check the base case if N == 0; D = 0; x = 1; return; end % create the Chebyshev grid x = cos(pi*(0:N)/N)'; ...

6 years 前 | 0 个回答 | 0

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Chebyshev differential matrices code not callable
This is the code by tretfen (cheb.m): % CHEB compute D = differentiation matrix, x = Chebyshev grid function [D,x] = ...

6 years 前 | 1 个回答 | 0

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