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now fitting more things betta
authored
Dec 28, 2017
by
Lee McCuller
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notebooks/cplx/digest.md
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@@ -7,16 +7,16 @@ Version 1 smart fitter in IIRrational library. Uses SVD method with high order o
...
@@ -7,16 +7,16 @@ Version 1 smart fitter in IIRrational library. Uses SVD method with high order o
## `1` initial
## `1` initial
### `1.1` initial_
poles
### `1.1` initial_
direct
> `fit_poles
_mod
_zeros`
> `fit_poles
, fit
_zeros`
Performs the SVD for a rough initial guess
initial guess without SVD technique


### `1.2` initial_
zero
s
### `1.2` initial_
pole
s
> `fit_poles_mod_zeros`
> `fit_poles_mod_zeros`
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@@ -25,54 +25,54 @@ Performs the SVD for a rough initial guess
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@@ -25,54 +25,54 @@ Performs the SVD for a rough initial guess


### `1.3`
choose pole
s
### `1.3`
initial_zero
s
> `
i
f`
> `f
it_poles_mod_zeros
`
Chose the Poles SVD fitter as it had the smaller residual of 1.91e+02 vs. 1.93e+04 for the zero
s
Performs the SVD for a rough initial gues
s
### `1.4` seq_iter_1

> `IIRrational.fit_poles, IIRrational.fit_zeros`
### `1.4` choose poles
First iterations, enforcing mindelay and stabilized poles residual of 6.33e+03
> `if`
Chose the Poles SVD fitter as it had the smaller residual of 1.84e+02 vs. 2.06e+04 for the zeros

### `1.5` seq_iter_
2
### `1.5` seq_iter_
1
> `IIRrational.fit_poles, IIRrational.fit_zeros`
> `IIRrational.fit_poles, IIRrational.fit_zeros`
First iterations, enforcing stabilized poles residual of
1.5
1e+0
4
First iterations, enforcing
mindelay and
stabilized poles residual of
8.4
1e+0
3


### `1.6` seq_iter_
3
### `1.6` seq_iter_
2
> `IIRrational.fit_poles, IIRrational.fit_zeros`
> `IIRrational.fit_poles, IIRrational.fit_zeros`
First iterations, enforcing stabilized poles residual of
1
.1
9
e+02
First iterations, enforcing stabilized poles residual of
9
.1
7
e+02


### `1.7` seq_iter_
4
### `1.7` seq_iter_
3
> `IIRrational.fit_poles, IIRrational.fit_zeros`
> `IIRrational.fit_poles, IIRrational.fit_zeros`
First iterations, enforcing stabilized poles residual of
8.89
e+0
1
First iterations, enforcing stabilized poles residual of
2.46
e+0
2


### `1.8`
nyquist_move
### `1.8`
seq_iter_4
> `IIRrational.
nyquist_move
`
> `IIRrational.
fit_poles, IIRrational.fit_zeros
`
Moves to
i
n
te
nded nyquist, clipping negative real poles/zeros likely caused by phase defects of low nyquist
First
ite
rations, enforcing stabilized poles residual of 1.68e+02


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@@ -130,24 +130,6 @@ ID Pairs for order reduction
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@@ -130,24 +130,6 @@ ID Pairs for order reduction


### `3.4` seq_order_reduce_opt_2
> `MultiReprFilter.optimize`
Optimize again after order reduction

### `3.5` duals_ID_3
> `MultiReprFilter.optimize`
ID Pairs for order reduction

## `4` flip mindelay
## `4` flip mindelay
## `5` order_reduce 2
## `5` order_reduce 2
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