Pht trin cng c tin hc tr gip cho ging dy, nghin cu v ng dng Ton hc

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MATLAB VI MN HC CC PHNG PHP Sng Quang Vin Cng ngh thng tin Vin khoa hc v cng ngh Vit nam Trong bo co ny chng ti cp n vic s dng MATLAB trong vic ging dy mn Cc phng php s v gii thiu v mt th vin cc chng trnh/hm m ngun phc v cho mn hc .

1. Gii thiu s lc v MATLABMATLAB phn mm ni ting ca cng ty MathWorks, l mt ngn ng hiu nng cao cho tnh ton k thut nh c vit trong logo ca phn mm ny. N tch hp tnh ton, hin th v lp trnh trong mt mi trng d s dng. Cc ng dng tiu biu ca MATLAB bao gm: H tr ton hc v tnh ton Pht trin thut ton M hnh, m phng Phn tch, kho st v hin th s liu ha khoa hc v k thut Pht trin ng dng vi cc giao din ha. Tn ca phn mm MATLAB bt ngun t thut ng Matrix Laboratory. u tin n c vit bng FORTRAN cung cp truy nhp d dng ti phn mm ma trn c pht trin bi cc d n LINPACK v EISPACK. Sau n c vit bng ngn ng C trn c s cc th vin nu trn v pht trin thm nhiu lnh vc ca tnh ton khoa hc v cc ng dng k thut. Ngoi MATLAB c bn vi cc kh nng rt phong ph s c cp sau, phn mm MATLAB cn c trang b thm cc ToolBox cc gi chng trnh (th vin) cho cc lnh vc ng dng rt a dng nh x l tn hiu, nhn dng h thng, x l nh, mng n ron, logic m, ti chnh, ti u ha, phng trnh o hm ring, sinh tin hc,... y l cc tp hp m ngun vit bng chnh MATLAB da theo cc thut ton mi,

Pht trin cng c tin hc tr gip cho ging dy, nghin cu v ng dng Ton hc

18 hu hiu m ngi dng c th chnh sa hoc b sung thm cc hm mi. MATLAB c thit k gii cc bi ton bng s ch khng nhm mc ch chnh l tnh ton k hiu nh MATHEMATICA v MAPLE. Tuy nhin, trong MATLAB cng c th tnh ton k hiu c nh cc hm trong Symbolic Math ToolBox.

Mt s c trng chnh ca MATLAB: MATLAB l ngn ng thng dch. V th n c th lm vic hai ch: tng tc v lp trnh. Trong ch tng tc MATLAB thc hin tng lnh c g trong ca s lnh sau du nhc lnh v kt qu tnh ton c hin ngay trong ca s ny, cn th c hin trong mt ca s khc. Lnh tng tc c th l n gin, th d tnh sin(1.5) hoc v fplot('sin(1 ./ x)', [0.01 0.1]), c th l cu trc iu kin, th d if x