initial commit / add all books

2 files changed, 41 insertions, 0 deletions

diff --git a/1720/CH1/EX1.5/1_5.sce b/1720/CH1/EX1.5/1_5.sce
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+// Example 1.5

+clc;

+//Given

+A = [3 5 -7];

+B = [2 7 1];

+

+//Solution

+

+C = A+B;

+D = A-B;

+E = (A(1,1)^2 + A(1,2)^2 + A(1,3)^2)^0.5;

+F = (B(1,1)^2 + B(1,2)^2 + B(1,3)^2)^0.5;

+G = (A(1,1)*B(1,1) + A(1,2)*B(1,2) + A(1,3)*B(1,3));

+H = G/(E*F);

+// where C=A+B and D=A-B and E =|A| and F = |B| and G = A.B and H =cos(A,B)

+

+disp("A+B =");

+disp(C);

+disp("A-B =");

+disp(D);

+disp("|A|=");

+disp(E);

+disp("|B|=");

+disp(F);

+disp("A.B=");

+disp(G);

+disp("cos(A,B)=");

+disp(H);
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diff --git a/1720/CH1/EX1.9/1_9.sce b/1720/CH1/EX1.9/1_9.sce
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+//Example 1.9

+clc;

+//Given

+vo = [0 5 -3];

+a = [0 0 -2];

+t = 5;

+//Solution

+vx = vo(1,1) + integrate('a(1,1)','t',0,t); // velocity in x direction

+vy = vo(1,2) + integrate('a(1,2)','t',0,t); // velocity in y direction

+vz = vo(1,3) + integrate('a(1,3)','t',0,t); // velocity in z direction

+disp(vx,"vx=");

+disp(vy,"vy=");

+disp(vz,"vz=");
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