【正文】 y)。Z28=*(286595.*exp(1./(48672.*X.^(447./250))))./(27376128.*pi.*X.^(447./500).*((541.*X.^(549./500))./5 + 2))。mesh(X,Y,Z28)%晚上的濃度分布圖%第一季度各個(gè)污染物的濃度分布圖x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z1=*(1432975.*exp(1./(9248.*X.^(447./250))))./(350336.*pi.*X.^(447./500).*((89.*X.^(129./250))./2 13))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z2=*(70338065839835433.*exp(1./(9248.*X.^(447./250))))./(6878544743366656.*pi.*X.^(447./500).*((89.*X.^(129./250))./213))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z3=*(1432975.*exp(1./(9248.*X.^(447./250))))./(87584.*pi.*X.^(447./500).*((89.*X.^(129./250))./2 13))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z4=*(615458076098559969.*exp(1./(9248.*X.^(447./250))))./(12037453300891648.*pi.*X.^(447./500).*((89.*X.^(129./250))./2 13))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z5=*(57319.*exp(1./(9248.*X.^(447./250))))./(2802688.*pi.*X.^(447./500).*((89.*X.^(129./250))./2 13))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z6=*(286595.*exp(1./(9248.*X.^(447./250))))./(1401344.*pi.*X.^(447./500).*((89.*X.^(129./250))./2 13))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z7=*(57319.*exp(1./(9248.*X.^(447./250))))./(2802688.*pi.*X.^(447./500).*((89.*X.^(129./250))./2 13))。mesh(X,Y,Z1)%第二季度各個(gè)污染物的濃度分布圖x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z8=*(7164875.*exp(2./(10201.*X.^(447./250))))./(840724.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z9=*(2461832304394240155.*exp(2./(10201.*X.^(447./250))))./(115548226718793728.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z10=*(7164875.*exp(2./(10201.*X.^(447./250))))./(210181.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z11=*(3077290380492799845.*exp(2./(10201.*X.^(447./250))))./(28887056679698432.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z12=*(286595.*exp(2./(10201.*X.^(447./250))))./(6725792.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z13=*(1432975.*exp(2./(10201.*X.^(447./250))))./(3362896.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z14=*(286595.*exp(2./(10201.*X.^(447./250))))./(6725792.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)%第三季度各個(gè)污染物的濃度分布圖x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z15=*(7164875.*exp(2./(10201.*X.^(447./250))))./(774872.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z16=*(351690329199177165.*exp(2./(10201.*X.^(447./250))))./(15213942393536512.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z17=*(7164875.*exp(2./(10201.*X.^(447./250))))./(193718.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z18=*(3077290380492799845.*exp(2./(10201.*X.^(447./250))))./(26624399188688896.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z19=*(286595.*exp(2./(10201.*X.^(447./250))))./(6198976.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z20=*(1432975.*exp(2./(10201.*X.^(447./250))))./(3099488.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z21=*(286595.*exp(2./(10201.*X.^(447./250))))./(6198976.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)%第四季度各個(gè)污染物的濃度分布圖x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z22=*(7164875.*exp(2./(10201.*X.^(447./250))))./(1107768.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z23=*(820610768131413385.*exp(2./(10201.*X.^(447./250))))./(50750158203256832.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z24=*(7164875.*exp(2./(10201.*X.^(447./250))))./(276942.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z25=*(1025763460164266615.*exp(2./(10201.*X.^(447./250))))./(12687539550814208.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z26=*(286595.*exp(2./(10201.*X.^(447./250))))./(8862144.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z27=*(1432975.*exp(2./(10201.*X.^(447./250))))./(4431072.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。Z28=*(286595.*exp(2./(10201.*X.^(447./250))))./(8862144.*pi.*X.^(447./500).*((277.*X.^(61./200))./5 34))。mesh(X,Y,Z1)%第二問(wèn)中三月份顆粒物濃度的計(jì)算q= **83200/86400。u=syms x yby3=68*x^。bz31=*x^。bz32=*x^。by4=104*x^。bz41=61*x^。bz42=61*x^。c_day=(q./(2.*pi.*u.*by4.*bz41)).*exp(y.^2./(2.*by4.^2))c_night=(q./(2.*pi.*u.*by3.*bz31)).*exp(y.^2./(2.*by3.^2))%三月份白天顆粒物濃度圖像x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。C_day=(59133323525255625.*exp(Y.^2./(21632.*X.^(447./250))))./(18450746296034656256.*pi.*X.^(361./200))。mesh(X,Y,C_day)%三月份晚上顆粒物濃度圖像x = 1:1:100。y = 1:1:100。[X,Y] = meshgrid(x,y)。C_night=(768733205828323125.*exp(Y.^2./(9248.*X.^(447/250))))./(2571005631414665216.*pi.*X.^(447./500).*((89.*X.^(129/250))./2 13))mesh(X,Y,C_night)37