5-8 等?線?

ڭ̥i contour OӵeXuuϡv]Contour Plots^ApUG

Example 1: 05-Sϧ/contour01.mz = peaks; contour(z, 30); % eX 30 u %colormap(zeros(1,3)); % H¦e{

䤤 30 NuƥءAcontour |۰ʧX z ̤pȤγ̤jȡAæbd򤤧X 30 ӵIANuסCYneXSwתuAipUG

Example 2: 05-Sϧ/contour02.mz = peaks; contour(z,[0 2 5]);

ɥieXTuϡAפOO 0B2B5C

Hint
peX׬ 3 uHѵGcontour(z, [3, 3])C

ЩuסAi clabel OApUG

Example 3: 05-Sϧ/contour03.mz = peaks; [c,handle] = contour(z, 10); clabel(c, handle);

clabel u|ЩuAHѧOCYuӵuAάOڭ̥unЩSwuAhiHϥΤʡ]Manual^覡ӥ[JuסAOuclabel(c, handle, 'manual')vAɹϧΤWЬQrΡAuݦbuWI@UAYiЩסC]ХߨոլݡI^

YbuJCAi contourf OApUG

Example 4: 05-Sϧ/contour04.mz = peaks; contourf(z);

Ynܶ񺡪CAi caxis OAbAحzC

YnϵeXuܥT x y yСAhipUG

Example 5: 05-Sϧ/contour05.m[x,y,z] = peaks; contour(x, y, z); % ϥΤTӿJ %colormap(zeros(1,3)); % H¦e{

contourf i xByBz J޼ơCYnNuebUAi surfc meshc OApUG

Example 6: 05-Sϧ/contour06.m[x, y, z] = peaks; meshc(x, y, z); axis tight

YneXTתŶuAi contour3 OApUG

Example 7: 05-Sϧ/contour301.m[x, y, z] = peaks; contour3(x, y, z, 30); axis tight

ϥ contour OieXyФuAL{AHUCƼƨƬҡG $$ f(z)=|z^3-1| $$

䤤 z NƼƥ@IƼơApGڭ̭neXƪuAiUCdҡG

Example 8: 05-Sϧ/contour07.mt = linspace(0, 2*pi, 61); % תlI r = 0:0.05:1; % תlI [tt, rr] = meshgrid(t, r); % ͤGlI [xx, yy] = pol2cart(tt, rr); % Nyഫܪy zz = xx + sqrt(-1)*yy; % ƼƪܡAig zz=rr.*exp(sqrt(-1)*tt); ff = abs(zz.^3-1); % contour(xx, yy, ff, 50); % eXu axis image

bWҤAyЪХܤyСCNuܩ󷥮yФWAݥ polar Oͤ@ӷyйϡAAϧΡAdU϶bAMAi@ϡAҦpG

Example 9: 05-Sϧ/contour08.mt = linspace(0, 2*pi, 61); % תlI r = 0:0.05:1; % תlI [tt, rr] = meshgrid(t, r); % ͤGlI [xx, yy] = pol2cart(tt, rr); % Nyഫܪy zz = xx + sqrt(-1)*yy; % ƼƪܡAig zz=rr.*exp(sqrt(-1)*tt); ff = abs(zz.^3-1); % h = polar([0 0], [0 1]); % ͦbyФW@u delete(h); % WzϧΡAdUyй϶b hold on contour(xx, yy, ff, 50); % eXu hold off

ڭ̤]iHPɵeXƼƨƪMuϡAҦpAUCdҥiHeXƼƨơGYneXUCƹϡGiUCdҡG

Example 10: 05-Sϧ/contour09.mt = linspace(0, 2*pi, 61); % תlI r = 0:0.05:1; % תlI [tt, rr] = meshgrid(t, r); % ͤGlI zz=rr.*exp(sqrt(-1)*tt); % Ƽƪ xx=real(zz); yy=imag(zz); ff = abs(zz.^3-1); % ƭ h = polar([0 0], [0 1]); % ͦbyФW@u delete(h); % WzϧΡAdUyй϶b hold on contour(xx, yy, ff, 20); % u surf(xx, yy, ff); % hold off view(-19, 22); % ]w[

qWϥiHܩaݨAoӨƦ@TӹsIWAפOO 0B120B240 סC

OAiHCpUG

O
bar, barh, bar3, bar3h
area n
pie, pie3 ι
stem, stem3 wY
stairs
fill, fill3 ߹
quiver, quiver3 Vq
contour, contourf, contour3 u

Hint
bWܮeݥXAYY@øϫO[W3]ҦpGbar3^Aq`ܬO 3D øϫOC


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