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Diffstat (limited to '3588/CH5/EX5.4')
-rw-r--r-- | 3588/CH5/EX5.4/EX5_4.sav | bin | 0 -> 34128 bytes | |||
-rw-r--r-- | 3588/CH5/EX5.4/EX5_4.sce | 35 |
2 files changed, 35 insertions, 0 deletions
diff --git a/3588/CH5/EX5.4/EX5_4.sav b/3588/CH5/EX5.4/EX5_4.sav Binary files differnew file mode 100644 index 000000000..3765bc3ed --- /dev/null +++ b/3588/CH5/EX5.4/EX5_4.sav diff --git a/3588/CH5/EX5.4/EX5_4.sce b/3588/CH5/EX5.4/EX5_4.sce new file mode 100644 index 000000000..eb1a1e597 --- /dev/null +++ b/3588/CH5/EX5.4/EX5_4.sce @@ -0,0 +1,35 @@ +//Clearing console +clc +clear + +x = poly(0,"x") +//Intializing variables +x0 = 0 +x1 = 1 + +//Calculating constants in solution (Y = c*X) X-trial function +c = integrate('x*(x-1)*(10*x^2+5)','x',x0,x1)/integrate('x*(x-1)*2','x',x0,x1) + +S1 = c*x*(x-1) + +//2nd part of problem + +//Consrtucting K and F matrices to solve the residual equations +K(1,1:3) = [integrate('-x*(1-x^3)*12*x^2','x',x0,x1) integrate('x*(1-x^3)*(2-12*x^2)','x',x0,x1) integrate('x*(1-x^3)*(6*x-12*x^2)','x',x0,x1)] +K(2,1:3) = [integrate('-x^2*(1-x^2)*12*x^2','x',x0,x1) integrate('x^2*(1-x^2)*(2-12*x^2)','x',x0,x1) integrate('x^2*(1-x^2)*(6*x-12*x^2)','x',x0,x1)] +K(3,1:3) = [integrate('-x^3*(1-x)*12*x^2','x',x0,x1) integrate('x^3*(1-x)*(2-12*x^2)','x',x0,x1) integrate('x^3*(1-x)*(6*x-12*x^2)','x',x0,x1)] + +F = [integrate('x*(1-x^3)*(10*(x^2)+5)','x',x0,x1); integrate('x^2*(1-x^2)*(10*(x^2)+5)','x',x0,x1);integrate('x^3*(1-x)*(10*(x^2)+5)','x',x0,x1)] + +//Solving for constants in assumed solution +U(1:3,1)=(linsolve(K,-F)) + +c4 = -(U(1,1)+U(2,1)+U(3,1)) +S2 = U(1,1)*x +U(2,1)*x^2 +U(3,1)*x^3 +c4*x^4 + +printf('\nResults\n') +printf('\nSolution of the Differential Equation') +printf('\nPart-1 y(x) = ') +disp(S1) +printf('\nPart-2 y(x) = ') +disp(S2) |