第一篇：數(shù)學(xué)建模常用的Matlab繪圖總結(jié)

餅狀圖

Expenses = [20 10 40 12 20 19 5 15];

ExpenseCategories = {'Food','Medical','Lodging','Incidentals',...'Transport','Utilities','Gifts','Shopping'};

MostLeastExpensive =(Expenses==max(Expenses)|Expenses==min(Expenses));

h=pie(gca,Expenses,MostLeastExpensive,ExpenseCategories);

ShoppingGiftsFoodMedicalUtilitiesTransportLodgingIncidentalsExpenses = [20 10 40 12 20 19 5 15];

MostLeastExpensive =(Expenses==max(Expenses)|Expenses==min(Expenses));

h=pie(gca,Expenses,MostLeastExpensive);legend('Food','Medical','Lodging','Incidentals',...'Transport','Utilities','Gifts','Shopping');

4%FoodMedicalLodgingIncidentalsTransportUtilitiesGiftsShopping

14%11%7%13%14%28% 9% Expenses = [20 10 40 12 20 19 5 15];

MostLeastExpensive = [0 1 0 1 0 1 0 1];%分割 h=pie(gca,Expenses,MostLeastExpensive);legend('Food','Medical','Lodging','Incidentals',...'Transport','Utilities','Gifts','Shopping');

11%14%4%7%13% FoodMedicalLodgingIncidentalsTransportUtilitiesGiftsShopping28%14% 9%

x = [20 10 40 12 20 19 5 15];explode = [4 2 2 2 2 4 2 2];label = {'Food','Medical','Lodging','Incidentals',...'Transport','Utilities','Gifts','Shopping',}';figure('color','w','renderer','openGL');h = pie3(x,explode);h = findobj(h,'Type','text');set(h,{'string'},cellfun(@strcat,get(h,{'string'}),label,'un',0),'FontName','Times New Roman','FontSize',16);%set(h,{'string'},strcat(get(h,{'string'}),label));

%cm = [72 65 137;143 184 58;193 60 49;41 121 201;...%

150;189 84 58;193 160 90;241 121 101]/255;colormap(jet), shading interp view(18,20), camproj perspective light('Position',[1 2 3],'Style','inf')lighting gouraud

x = [20 10 40 12 20 19 5 15];explode = [4 2 2 2 2 4 2 2];label = {'14% Food','7% Medical','28% Lodging','9% Incidentals',...'14% Transport','13% Utilities','4% Gifts','11% Shopping',}';figure('color','w','renderer','openGL');pie3s(x,'Explode',explode,'Labels',label)%見Matlab_pie3s

直方圖

Y = round(rand(5,3)*10);figure;subplot(2,2,1);bar(Y,'grouped');title('Group')subplot(2,2,2);bar(Y,'stacked');title('Stack')subplot(2,2,3);bar(Y,'histc');title('Histc')subplot(2,2,4);bar(Y,'hist');title('Hist')Group105100123Histc10501050450123Hist453020Stack1234512345

stream = RandStream('mrg32k3a','Seed',4);y1 = rand(stream,10,5);hb = bar(y1,'stacked');colormap(summer);hold on y2 = rand(stream,10,1);set(gca,'FontSize',14,'FontName','Times New Roman')hp = plot(1:10,y2,'marker','square','markersize',12,...'markeredgecolor','y','markerfacecolor',[.6,0,.6],...'linestyle','-','color','r','linewidth',2);hold off legend([hb,hp],'Carrots','Peas','Peppers','Green Beans',...'Cucumbers','Eggplant','Location','SouthEastOutside')3.532.521.510.50 12345678910CarrotsPeasPeppersGreen BeansCucumbersEggplant Data = [1,-2,3,1,-1,-2 4 2 3];DataP = Data;DataN = Data;DataP(Data < 0)= 0;DataN(Data > 0)= 0;figure;bar(DataP,0.5,'k','EdgeColor','k');hold on;bar(DataN,0.5,'b','EdgeColor','b');43210-1-2123456789

Y = round(rand(5,3)*10);figure;subplot(2,2,1);bar3(Y,'grouped');

title('Group','FontSize',14,'FontName','Times New Roman')subplot(2,2,2);bar3(Y,'stacked');

title('Stack','FontSize',14,'FontName','Times New Roman')subplot(2,2,3);bar3(Y,'histc');

title('Histc','FontSize',14,'FontName','Times New Roman')subplot(2,2,4);bar3(Y,'hist');

title('Hist','FontSize',14,'FontName','Times New Roman')

Group1020Stack***Histc1010Hist***45123

桿狀圖

Data = [1,-2,3,1,-1,-2 4 2 3];DataP = Data;DataN = Data;DataP(Data < 0)= NaN;DataN(Data > 0)= NaN;figure;stem(DataP,'k');hold on;stem(DataN,'b');43210-1-2123456789Data = [1,-2,3,1,-1,-2 4 2 3];DataP = Data;DataN = Data;DataP(Data < 0)= NaN;DataN(Data > 0)= NaN;figure;stem(DataP,'k','fill');hold on;stem(DataN,'b','fill');4

3210-1-2123456789 Data = [1,-2,3,1,-1,-2 4 2 3];DataP = Data;DataN = Data;DataP(Data < 0)= NaN;DataN(Data > 0)= NaN;figure;stem(DataP,':diamondk','fill');hold on;stem(DataN,':diamondr','fill');43210-1-2123456789

Data = [1,-2,3,1,-1,-2 4 2 3];DataP = Data;DataN = Data;DataP(Data < 0)= NaN;DataN(Data > 0)= NaN;figure;stem(DataP,'LineStyle','-.','MarkerFaceColor','k','MarkerEdgeColor','green');hold on;stem(DataN,'LineStyle','-.','MarkerFaceColor','red','MarkerEdgeColor','green');4

3210-1-2123456789

三維圖形

figure;[X,Y] = meshgrid(-15:.5:15,-12:.5:12);%X belongs to [-15,15] and Y belongs to [-12,12].R = sqrt(X.^2 + Y.^2)+ eps;Z = sin(R)./R;mesh(Z);%surf(X,Y,Z)

xlabel('X','FontSize',14,'FontName','Times New Roman')ylabel('Y','FontSize',14,'FontName','Times New Roman')zlabel('Z','FontSize',14,'FontName','Times New Roman')title('3-D space','FontSize',16,'FontName','Times New Roman')

3-D space by mesh10.5Z0-0.***203040506070YX

figure;X=-12:0.5:12;Y=-12:0.5:12;%surf繪圖時(shí)，X,Y可以是一維向量，也可以是二維矩陣 R=ones(length(X),length(Y));for i=1:length(X)

for j=1:length(Y)

R(i,j)= sqrt(X(i).^2 + Y(j).^2)+eps;

end end

Z = sin(R)./R;surf(X,Y,Z);xlabel('X','FontSize',14,'FontName','Times New Roman')ylabel('Y','FontSize',14,'FontName','Times New Roman')zlabel('Z','FontSize',14,'FontName','Times New Roman')title('3-D space by surf','FontSize',16,'FontName','Times New Roman')

3-D space by surf10.5Z0-0.5151050-5-10-15-15-10-5051015YX

figure;[X,Y] = meshgrid(-15:.5:15,-12:.5:12);%X belongs to [-15,15] and Y belongs to [-12,12].R = sqrt(X.^2 + Y.^2)+ eps;Z = sin(R)./R;plot3(X,Y,Z);xlabel('X','FontSize',14,'FontName','Times New Roman')ylabel('Y','FontSize',14,'FontName','Times New Roman')zlabel('Z','FontSize',14,'FontName','Times New Roman')title('3-D space by plot3','FontSize',16,'FontName','Times New Roman')

3-D space by plot310.5Z0-0.5151050-5-10-5051015Y-15-15-10X

數(shù)學(xué)公式、符號(hào)和希臘字母的輸入命令

Character Sequence alpha beta gamma delta epsilon zeta eta theta vartheta iota kappa lambda mu nu xi pi rho sigma varsigma tau equiv Im otimes cap supset int rfloor lfloor perp wedge rceil vee langle Symbol α β γ δ ? δ ε Θ ? ι κ λ μ ν ξ π π σ ρ τ ≡ ?

? ∩ ?

∫ ? ? ⊥

∧

ù ∨ ∠

Character Sequence upsilon phi chi psi omega Gamma Delta Theta Lambda Xi Pi Sigma Upsilon Phi Psi Omega forall exists ni cong approx Re oplus cup

subseteq in lceil cdot neg times surd varpi rangle

Symbol ? Φ σ τ υ Γ Δ Θ Λ Ξ Π Σ ? Φ Ψ Ω ? ? ? ? ≈ ? ⊕ ∪

? ∈ é · ? x √ ? ∠ Character Sequence sim leq infty clubsuit diamondsuit heartsuit spadesuit leftrightarrow leftarrow uparrow rightarrow downarrow circ pm geq propto partial bullet div neq aleph wp oslash supseteq subset o nabla ldots prime