diff options
| author | Holden Rohrer <hr@hrhr.dev> | 2020-04-14 21:14:09 -0400 |
|---|---|---|
| committer | Holden Rohrer <hr@hrhr.dev> | 2020-04-14 21:14:09 -0400 |
| commit | ae21dc18ebcc800403e6edab36a317fb3b9278f2 (patch) | |
| tree | 066105c206eb722a433944c33b7bb54ad734154b /execsumm | |
| parent | 99350f63187004d3edac355f9c1275fc6da725ea (diff) | |
improved vector representation and extended nonhomogeneous expl
Diffstat (limited to 'execsumm')
| -rw-r--r-- | execsumm/document.tex | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/execsumm/document.tex b/execsumm/document.tex index 86eea45..64f12d7 100644 --- a/execsumm/document.tex +++ b/execsumm/document.tex @@ -54,12 +54,12 @@ $\displaystyle z = y{C_2R_1\over r+C_1R_1}.$ \bu $\lambda_1 = 0, v_1 = \pmatrix{1\cr0\cr0}$ -\def\num#1{\pmatrix{1\cr - -{r_#1\over C_2\rload}\cr - -{R_1r_#1\over \rload(r_#1+C_1R_1)}}} +\def\num#1{\pmatrix{\rload\cr + -{r_#1\over C_2}\cr + -{R_1r_#1\over (r_#1+C_1R_1)}}} \bu $\displaystyle\lambda_2 = {r_1C_1C_2R_1\rload}, v_2 = \num1.$ - +\vskip 10pt \bu $\displaystyle\lambda_3 = {r_2C_1C_2R_1\rload}, v_3 = \num2.$ This corresponds to a solution of the form $f = Ce^{\lambda t}v,\cdots$ @@ -74,6 +74,9 @@ $g = C_1\cos(\re(\lambda)t)\re(v) + C_2\sin(\re(\lambda)t)\im(v).$ %% DOUBLE CHE Extending to the nonhomogeneous system will take slightly different paths depending on if the system has complex roots or has real roots. But in either case, $\cos x*{\rm polynomial}+\sin x*{\rm polynomial}$ -should be a particular solution. +should be a particular solution. This would allow usage of method of +undetermined coefficients, which may be attempted, but variation of +parameters will be used so that a general form for both systems with +both complex and real eigenvalues may be found. \bye |