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Alternative Mathematics using MATLAB 7

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Alternative Mathematics using MATLAB 7


Gunnar Backstrom


13 Mar 2003 (Updated )

Self-instructive text on undergraduate algebra, statistics, differential and integral calculus.

% ex222.m:  Contour Corresponding to the Value Zero				
clear all
X=linspace(-4, 4, 100);  Y=linspace(-1, 1, 100); 
[X,Y]=meshgrid(X,Y);					% Make grid matrices
F=exp(-X.^2-Y.^2)- sin(Y).^2;		% Calculate function for all (x,y)	
figure(1),  contour(X,Y,F, [0 0]), xlabel('x'),  ylabel('y'), grid on,
   title('Zero Curve for exp(-x^2-y^2)- sin(y)^2') 

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