q̂ from a 2-by-1 to a 3-by-2 guess, nor why it reduces the error bound.
The proof that the calculation even has the desired effect is left to exercises.
The solutions to those exercises provided at the back of the book are entirely
calculations, still with no explanation as to what is going on or how you would
arrive at the idea of doing those exact calculations. Nowhere is it mentioned

// (This is a property not guaranteed by most open source
// implementations of regular expressions.) For more information
// about this property, see
//
//	https://swtch.com/~rsc/regexp/regexp1.html
//
// or any book about automata theory.
//
// All characters are UTF-8-encoded code points.
// Following [utf8.DecodeRune], each byte of an invalid UTF-8 sequence
// is treated as if it encoded utf8.RuneError (U+FFFD).
//

etisavnac.ym,moc.swanozama.&ble,etupmoc,wolfria.1-&htron-nc,tsewhtron-nc,???ur.&dliub,e&doc,sabatad,?noitargim,??o&c.pato,i.&duolciaznab.sdraykcab,e&lacsnoom,varb.s,?nroca-no,oir-no,reniatnoceruza,s&3k-no,olots,?xcq.sys,y5s,??p&j.&a&mahokoy?yogan??ebok?i&adnes?kasawak??oroppas?uhsuykatik??n?pa.&knalfhtron,nu&r,spu,?repoleved,tegeb,??r&b.mon?e??s&edoc.owo,noitulos.rehid,w&.rosivda,a.tsoper.etavirp,??t&a.&ofnistro.&nednuk,xe,?smcerutuf:.&ni,xe,?,?en.&cimonotpyrc,hvo.&gnitsoh,saapbew,?st.c,??u&e.lr...

etisavnac.ym,moc.swanozama.&ble,etupmoc,wolfria.1-&htron-nc,tsewhtron-nc,???ur.&dliub,e&doc,sabatad,?noitargim,??o&c.pato,i.&duolciaznab.sdraykcab,e&lacsnoom,varb.s,?nroca-no,oir-no,reniatnoceruza,s&3k-no,olots,?xcq.sys,y5s,??p&j.&a&mahokoy?yogan??ebok?i&adnes?kasawak??oroppas?uhsuykatik??n?pa.&knalfhtron,nu&r,spu,?repoleved,tegeb,??r&b.mon?e??s&edoc.owo,noitulos.rehid,w&.rosivda,a.tsoper.etavirp,??t&a.&ofnistro.&nednuk,xe,?smcerutuf:.&ni,xe,?,?en.&cimonotpyrc,hvo.&gnitsoh,saapbew,?st.c,??u&e.lr...

// For DCBT Ra,Rb,TH, A value of TH indicates:
//     0, hint this cache line will be used soon. (PrefetchCache)
//     16, hint this cache line will not be used for long. (PrefetchCacheStreamed)
// See ISA 3.0 Book II 4.3.2 for more detail. https://openpower.foundation/specifications/isa/
(PrefetchCache ptr mem)          => (DCBT ptr mem [0])
(PrefetchCacheStreamed ptr mem)  => (DCBT ptr mem [16])

	// List of taints to add to a node object when the kubelet registers itself.
	registerWithTaints []v1.Taint
	// Set to true to have the node register itself as schedulable.
	registerSchedulable bool
	// for internal book keeping; access only from within registerWithApiserver
	registrationCompleted bool

	// dnsConfigurer is used for setting up DNS resolver configuration when launching pods.
	dnsConfigurer *dns.Configurer

				// (*Link).address. This may happen due to usage of PCALIGN directives
				// larger than Funcalign, or usage of ISA 3.1 prefixed instructions
				// (see ISA 3.1 Book I 1.9).
				const ppc64maxFuncalign = 64
				sectAlign = ppc64maxFuncalign
				va = uint64(Rnd(int64(va), ppc64maxFuncalign))
			}

			// Set the length for the previous text section

bom

// bond : 2014-06-05 ShortDot SA
bond

// boo : 2014-01-30 Charleston Road Registry Inc.
boo

// book : 2015-08-27 Amazon Registry Services, Inc.
book

// booking : 2015-07-16 Booking.com B.V.
booking

// bosch : 2015-06-18 Robert Bosch GMBH
bosch

// bostik : 2015-05-28 Bostik SA
bostik

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