Anthony Armstrong EET 1102 4202 Quiz 2

Anthony Armstrong EET 1102 4202 Quiz 2 - y2=((sin(x)).^2)/x

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Anthony Armstrong EET 1102 4202 Quiz 2 1) >> A=[4,-2,-6;2,8,2;6,10,3]; >> B=[8;4;0]; >> ans=A\B ans =        -1.0698    1.3953   -2.5116 2) x=linspace(-5,2,3); y=(x.^3)+4*(x.^2)-x-4; plot(y) x=linspace(-5,2,4); y=(x.^3)+4*(x.^2)-x-4; plot(y)
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x=linspace(-5,2,5); y=(x.^3)+4*(x.^2)-x-4; plot(y)
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x=linspace(-5,2,6); y=(x.^3)+4*(x.^2)-x-4; plot(y)
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x=linspace(-5,2,7); y=(x.^3)+4*(x.^2)-x-4; plot(y)
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x=linspace(-5,2,101); y=(x.^3)+4*(x.^2)-x-4; plot(y)
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3) x=[-2*pi:0.4:2*pi]; y1=sin(x)
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Unformatted text preview: y2=((sin(x)).^2)/x plot(x,y1,':',x,y1,'p',x,y2,'--',x,y2,'s'),xlabel('x'),ylabel('y'),title('Quizzicle'),legend('sin(x)','((sin(x)). ^2)/x'),grid on 4) >>A=[2,1,5;1,2,3]; >>B=[1,3,-1;2,1,4]'; >>A*B ans= 0 25 4 16 >>B*A ans= 4 5 11 7 5 18 2 7 7 >>A=[1,1;0,1]; >>B=[1,-3;0,1]; >>A*B ans= 1 -2 0 1 >>B*A ans= 1 -2 0 1...
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This note was uploaded on 11/20/2010 for the course EET 1102 taught by Professor Staff during the Spring '08 term at CUNY City Tech.

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Anthony Armstrong EET 1102 4202 Quiz 2 - y2=((sin(x)).^2)/x

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