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From YouTube: SimPEG meeting Feb 7
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A
B
B
A
D
D
B
B
That
you
first
because
I
think
we
can
pull
up
basically
all
the
way
down
to
master
a
lightning
words,
just
checking
out
this
branch
and
playing
with
it
a
little
bit.
This
is
that
a
thief
/
discretize,
because
there
are
a
few
things
that
change
so
like
you
will
need
to
update
your
time
at
solar.
Here's
the
way
solvers,
our
name
changed
slightly.
So
in
this
case,
instead
of
importing
like
Paradiso
silver,
you
just
important
hurries
up,
so
we
killed
the
soccer,
not
any
openings.
E
F
B
So
just
like,
as
long
as
you're
aware,
the
best
coming
in
it
shouldn't
put
your
baby
with
you,
so
yeah.
If
you
guys
can
me
to
just
agree,
run
your
examples,
the
ones
that
you
consider
to
be
things
that
you
frost,
Lawrence
change,
sure
make
sure
that
they
look
reasonable,
but
nothing
too
crazy
change.
B
Yeah
shouldn't
you
make
your
foot
worth
doing
sanity
check
before
we
pulled
in
yeah
and
then
once
we
get
batting
I
believe
the
objective
function
scope.
It
is
increasingly
good
shape,
I
shot
it
with
Joanna
Cara
I.
Keep
laying
a
few
oversight.
Squirt
like
are
complexities
that
it's
introducing
that
we're
actually
in
this
very
calm.
So
that's
they
a
lil.
It's
a
little!
No
for.
H
B
The
full
action
of
fornication
we
owe
me
you
can
do
the
vector
product
inside
and
that's
impossible,
put
it
in
the
cooler
when
you
have
like
reason
that
you
two
thought
of
anything
excedrin
just
really
started
like
getting
the
shape
of
it,
but
it
doesn't
have
a
shape.
So
we
had
to
like
go
in
as
roof
trying
to
grab
whatever
you
could
do
figure
of
the
sheet
which,
if
you
just
do
the
vector
products.
B
So
that
is
a
bit
cleaner
and
I
also
cleaned
up
how
we
add
so
I'll.
Make
sure
you
guys
example.
I
B
So
this
is
also
actually
in
terms
of
names.
I
would
appreciate
your
guys's
thoughts
in
the
name
scoops,
so
we
have
like
simple
enough.
Those
are
student
the
same
as
what
they
were
before
so
now.
This
is
a
small
acidulous
small
for
the
plate.
It's
actually
a
little
more
sense,
then
smooth
the
rib
and
smooth
through
it
too,
and
then
there's
simple
smithery
we're
not
asking
security
implemented.
Yet.
H
B
B
And
so
will
do
in
any
of
the
objective
functions
if
you
have
a
multiplier
that
is
not
varying
utilice
0
this
that
or
at
100
they
did.
You
want
to
evaluate
them,
which
is
nice
movie,
monastery,
recording,
isn't
style
stuff?
Is
it
like?
We've
all
actually
go
through
a
NICU
for
problem.
If
we
don't
want,
oh
ok
yeah,
so
it
first
checks
your
multiplier,
and
it's
like
should
I
evaluate
this
big.
Not
it.
F
B
E
E
E
B
E
B
C
C
C
B
C
B
B
B
Currently,
good,
you
should
look
at
wires
as
it
actually
is
a
senior.
A
B
So
so,
if
we
have
a
mash-up
projection
is
basically
just
you
and.
G
B
H
B
B
B
Is
here
I.
H
D
I
J
B
C
B
B
B
F
F
C
C
B
B
F
B
B
G
G
F
B
D
B
E
B
And
then
same
thing
like
now:
5d
yeah
has
email,
you
and
I
will
be
based
on
here.
Can.
F
B
F
B
B
D
D
F
B
F
D
E
B
B
G
E
F
B
E
F
B
E
H
E
B
Sure
so,
if
we
called
like
do
you
want
thanks
for
the
ride,
ray
dot,
hey
coefficient
names,
produce
coefficients
coefficients
and
then
and
I'm
we've
enlisted
games
or
cookie.
If
there
is
no,
as.
C
F
B
E
F
F
B
It's
actually
it's
a
little
subtle,
it's
not
attached.
So
alpha
s,
for
instance,
is
not
actually
tied
to
the
smallness
turn.
It
only
reason
we
needed
alpha
s
is
because
we
are
actually
some
other
things,
so
we
objective
function
list
and
it's
parallel
to
the
multipliers,
and
that's
also
what
lets
us
then
do.
These
are
the
accidents
and
things
like
that
is
that
you
know
you
will
hear
multiplier
list
first
to
say
which
of
these
things
should
I
absolute
value.
Eight,
then
you
evaluate
in
some.
B
B
B
Just
a
single
bottle:
it's
like
an
automated
thing.
So
as
soon
as
you
move
as
soon
as
you
catch
a
multiplier
onto
it,
it's
then
attitude.
That's
a
combination.
Okay,
it's
a
part
of
why
tease
those
things
apart
as
well,
so
that
you're
actually
kicking
your
other
players.
You
want
to
actually
just
evaluate
the
function
and
like
look
at
them
both
and
then
say:
oh
yeah
I
want
to
bait
it
to
be
such
that
on.
E
So
our
curiosity,
then,
how
do
you
do
the
day
you
don't
miss
finish.
That
also
can
publish
new
number,
but
is
that
are
single
objective
so.
B
E
I
G
I
B
B
B
F
That
the
susceptibility
version-
I
think
that
yeah
it's
a
great
example,
I
think
doing
either
like
a
simultaneous
conversion
and
then
for
like
cooperative
virgin
like
a
date,
will
be
a
treat
example.
Yes,
yes,
Daniel
kid,
we
can
move
on
to
most
of
physics.
Yes
like
say
it,
but
Megan
grab
the
earth
magnet
yeah.
B
F
F
B
F
C
D
B
C
B
B
F
F
F
D
B
I
D
B
D
So
one
of
the
things
you
can
make
really
good
use
of
is
so
site
on
has
a.
If
you
run
sites
on
from
the
command
line,
you
can
give
it
the
dash
a
option
to
it
and
run
that
on
the
file.
What
it
does
is.
It
creates
a
HTML
document
that
kind
of
highlights
where
things
are
calling
Python
we're,
calling
the
Python
interpreter
and
where
it's
actually
gone
down
to
see
code.
D
You
see
here
like
this
is
one
of
the
loops
where
it's
looping
over
all
the
points.
All
these
yellow
lines
require
a
decent
amount
of
Python
calls
and
I
related
like.
So
this
is
what
the
C
code
looks
like
behind
it.
All
these
red
things
are
Python
calls
to
the
Python
interpreter,
which
slows
it
down
right,
but
the
point
is
we
want
it
to
be
fast.
You
want
to
be
C
code,
really
read
yeah,
so
there's
a
lot
of
issues
here
likes
for
one
thing.
D
B
D
D
D
What
you
do
if
you
have
a
sort
of
list
compared
to
the
middle
value
and
if
it's
less
than
the
middle
value,
you
look
only
on
the
middle
half
or
lower
middle
class.
If
it's
greater
than
you
look
in
the
higher
Milhouse,
that's
the
order.
H
improvement
right
there,
but
if
you
see
the
whole
algorithm
is
implemented
without
any
calls
to
python
at
all.
So
it's.
B
B
D
The
first
one,
it
basically
does
exactly
what
it
says,
so
the
bounds
checking
it'll
it
just
won't
check
if
the
array
indices
within
the
bounds
or
not
so
I've
implemented
in
this
in
such
a
way
where
that
will
grow
outside
the
bounds.
So
I
don't
care
so
I,
wouldn't
I,
don't
want
it
to
check
I've,
also
turned
off
wraparound
indices,
so
Nora
pythonic,
you
use
negative
indices.
D
It
goes
to
the
back
end,
so
by
default
site
on
will
mimic
that
behavior,
but
you
can
tell
it
not
to
and
then
there's
all
those
also,
this
other
little
name
does
a
few
checks
and
variables
are
nuns
as
well.
So
I
just
turn
that
off
because
they're,
not
they
should
never
be
no
nuns
coming
in.
But
the
key
here
is
this
function.
D
That's
been
defined
is
defined
with
C
code,
so
the
sea
defined
here
and
then
you
tell
it
what
it's
going
to
return
just
like
a
seat
function
and
it's
called
without
the
global
interpreter
lock
here.
So
the
global
interpreter
lock
is
kind
of
means
that
each
this
function
can
be
called
without
telling
Python
to
wait
for
it.
D
D
But
other
than
that,
so
I've
got
to
hear
one's
a
left.
Bisect
12
right,
bisect
I
was
heading
just
trying
to
mimic
that
what
the
code
did
before
I
realized
I.
I
was
using
the
left.
I
needed
the
right,
but
something
else,
and
then
here's
this
little.
This
function
here
is
basically
I'm
planting
and
see
what
this
function
did
before.
D
D
So
it
just
kind
of
speeds
this
step
up
here
and
then,
when
you're,
actually
building
the
interp
like
interpretation
matrix
vectors
over
those
big
loops
that
head
out
thatÃs
python
calls
in
them.
This
is
that
same
loop
without
any
Python
calls,
so
the
loop
executes
is
much
quicker
without
without
that
as
well.
So
it's
just
kind
of
things
you
can
do
with
scythe
on
just
to
get
beyond
static
typing
I.
D
This
little
comparison
between,
like
when
you
look
at
the
HTML
interface
of
the
file
from
site
on
it
really
gives
you
a
hint
of
where
you
can
optimize
things
further
and
where
your
slow
downs
are
going
to
be
coming.
It's
like,
if
you
look
at
the
3d
interpretation
matrix
like
all
of
these
colors,
which
a
Python
yeah.
F
F
D
D
D
D
D
B
D
F
D
Just
little
site
on
implementations
and
how
I
just
have
to
know
how
to
get
rid
of
get
down
to
see
calls.
So
the
key
is
defining
these
see
defying
functions,
so
these
actually
are
not
visible
to
python
at
all
they're
only
to
their
only
defined
within
the
c
function.
So
I
couldn't
call
this
bisect
right
algorithm
in
the
Python
show.
B
D
B
D
D
So
this
little
bit
function
here,
it's
pretty
good
I
mean
it's
just
this
there's
not
too
many
calls
to
python
here,
but
then
once
we're
down
here.
Basically,
this
whole
these
are
still
Python.
This
is
still
Python,
not
as
much
but
still
Python.
So
a
lot
of
these
indexing
is
still
Python,
even
though
it's
written
in
styth
on
so
it'll,
just
that
was
the
next
thing
I
was
looking
at
is
trying
to
figure
out
wood.
Is
it
going
on
with
the
tree
mesh.
D
B
G
D
C
H
E
D
Just
curious,
it's
still
a
lot
of
so
like
I
said
the
next
I
think
next
thing
with
the
tree
meshes.
That
code
is
very
slow
interpretation
matrices
on
they
that's
what
the
code
is
very
slow.
It's
on
a
whole
like
it's
this,
it's
all
Python
code,
it's
not
even
that
scythe
on
attempting
to
be
right
now,
I
mean
it's
not
Python,
attempting
to
site
on
it's
just
Python,
so
it's
yeah.
D
D
D
D
It's
not
it's
not
going
to
construct
it
matrix
very
fast
at
all,
actually
takes
a
while
to
construct
that
matrix,
but
there's
a
lot
of
stuff
going
down
here
like.
H
D
F
D
D
D
E
I
You
get
a
future.
Getting
weird
thing
to
me:
your
version,
basically,
where
you
at
the
boundaries
where
you
get
changes
in
cell
size
still
at
the
moment.
So
when
Z
Lindsey
thought
she
was
really
close
to
like
knowing
where
that
was
cheated.
To
take
care
of
that
she
thought
it
was
just
like
some
hanging
knows:
she's
meeting
faces
that
we're
still
there
that
need
to
be
dealt
with,
but
so
sometimes
super,
hopefully
we'll
be
able
to
hammer.