## 8-2 ?稿?芥暩?勪???

• ㄏノ﹃ㄓボㄧΑ硂琌ゑ耕ρよΑㄒㄏノ ˉhumpsˇ ㄓ humps.m ㄧΑ
• ㄏノㄧΑ搐рFunction Handleㄓボ硂琌ゑ耕穝よΑㄒㄏノ @humps ㄓ humps.m ㄧΑ

硂絛ㄒи碞ㄏノ硂ㄢ贺よΑㄓ﹚ humps.m ㄧΑノfplot ㄓ秈︽计厩ㄧ计瓜ㄒ璝璶礶 humps ㄧ计 [0,2] 丁Ρ絬块

Example 1: 08-计厩ㄧ计矪瞶籔だ猂/fplot01.msubplot(2,1,1); fplot('humps', [0,2]); % ㄏノ﹃﹚ㄧΑ subplot(2,1,2); fplot(@humps, [0 2]); % ㄏノㄧΑ搐рㄓ﹚ㄧΑ[Warning: Char input to fplot will be removed in a future release. Use fplot(humps) instead.] [> In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('fplot', 'C:\Program Files\MATLAB\toolbox\matlab\specgraph\fplot.m', 105)" style="font-weight:bold">fplot</a> (<a href="matlab: opentoline('C:\Program Files\MATLAB\toolbox\matlab\specgraph\fplot.m',105,0)">line 105</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('fplot01', 'D:\users\jang\books\matlabProgramming4guru\example\08-计厩ㄧ计矪瞶籔だ猂\fplot01.m', 2)" style="font-weight:bold">fplot01</a> (<a href="matlab: opentoline('D:\users\jang\books\matlabProgramming4guru\example\08-计厩ㄧ计矪瞶籔だ猂\fplot01.m',2,0)">line 2</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('goWriteOutputFile>dummyFunction', 'd:\users\jang\books\goWriteOutputFile.m', 85)" style="font-weight:bold">goWriteOutputFile>dummyFunction</a> (<a href="matlab: opentoline('d:\users\jang\books\goWriteOutputFile.m',85,0)">line 85</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('goWriteOutputFile', 'd:\users\jang\books\goWriteOutputFile.m', 55)" style="font-weight:bold">goWriteOutputFile</a> (<a href="matlab: opentoline('d:\users\jang\books\goWriteOutputFile.m',55,0)">line 55</a>)]

パ瓃絛ㄒㄏノ﹃㎝ㄧΑ搐р┮眔挡狦琌妓絛ㄒ盢荷秖ㄏノㄧΑ搐рㄓ﹚ㄧΑ硂琌 MATLAB 穝や穿よΑτㄤ磅︽瞯ゑ耕蔼

ㄏノ fplot眤э跑 x ㎝ y 跋丁ㄒ

Example 2: 08-计厩ㄧ计矪瞶籔だ猂/fplot02.mfplot(@humps, [0 1 5 25]); grid on % 礶絬Error in running fplot02! (Logged to scriptError.log)

 x 跋丁 [0, 1]y 跋丁 [5, 25]

fplot 钡讽初ボ计厩ㄧ计τぃǎ眔璶盢计厩ㄧ计糶Θ MATLABㄧΑㄒ

Example 3: 08-计厩ㄧ计矪瞶籔だ猂/fplot021.msubplot(2,1,1); fplot('sin(2*x)+cos(x)', [-10, 10]) % ㄏノ﹃﹚ㄧΑ subplot(2,1,2); fplot(@(x)sin(2*x)+cos(x), [-10, 10]) % ㄏノㄧΑ搐рㄓ﹚ㄧΑ[Warning: Char input to fplot will be removed in a future release. Use fplot(@(x)sin(2.*x)+cos(x)) instead.] [> In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('fplot', 'C:\Program Files\MATLAB\toolbox\matlab\specgraph\fplot.m', 105)" style="font-weight:bold">fplot</a> (<a href="matlab: opentoline('C:\Program Files\MATLAB\toolbox\matlab\specgraph\fplot.m',105,0)">line 105</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('fplot021', 'D:\users\jang\books\matlabProgramming4guru\example\08-计厩ㄧ计矪瞶籔だ猂\fplot021.m', 2)" style="font-weight:bold">fplot021</a> (<a href="matlab: opentoline('D:\users\jang\books\matlabProgramming4guru\example\08-计厩ㄧ计矪瞶籔だ猂\fplot021.m',2,0)">line 2</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('goWriteOutputFile>dummyFunction', 'd:\users\jang\books\goWriteOutputFile.m', 85)" style="font-weight:bold">goWriteOutputFile>dummyFunction</a> (<a href="matlab: opentoline('d:\users\jang\books\goWriteOutputFile.m',85,0)">line 85</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('goWriteOutputFile', 'd:\users\jang\books\goWriteOutputFile.m', 55)" style="font-weight:bold">goWriteOutputFile</a> (<a href="matlab: opentoline('d:\users\jang\books\goWriteOutputFile.m',55,0)">line 55</a>)]

瓃絛ㄒいиㄏノ﹃㎝ㄧΑ搐рㄓ﹚计厩ㄧ计 sin(2x)+cos(x)

fplot 癸ㄧ计瓜惠璶盢硂ㄇㄧ计秖絛ㄒ

Example 4: 08-计厩ㄧ计矪瞶籔だ猂/fplot022.m% fplot 癸ㄧ计瓜 fplot(@(x)[sin(x), exp(-x)], [0, 10])

秈︽贺笲衡盢跑计 x Θ琌︽秖Column Vectorτ [sin(x), exp(-x)] 玥琌︽秖–︽秖ㄧ计兵Ρ絬

fplot 膀セ琌磞翴瓜摸 plot(x, y)琌 x 畒夹翴盞栋琌沮ㄧ计跑てτ∕﹚玻ネゑ耕¨稻龟〃ㄧ计瓜饼陪ボ fplot ┮玻ネ x 畒夹翴块

Example 5: 08-计厩ㄧ计矪瞶籔だ猂/fplot03.m[x, y] = fplot(@humps, [-1,2]); plot(x, y, '-o');[Warning: Having two output arguments for fplot will be removed in a future release. Use the XData and YData properties instead.] [> In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('fplot', 'C:\Program Files\MATLAB\toolbox\matlab\specgraph\fplot.m', 171)" style="font-weight:bold">fplot</a> (<a href="matlab: opentoline('C:\Program Files\MATLAB\toolbox\matlab\specgraph\fplot.m',171,0)">line 171</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('fplot03', 'D:\users\jang\books\matlabProgramming4guru\example\08-计厩ㄧ计矪瞶籔だ猂\fplot03.m', 1)" style="font-weight:bold">fplot03</a> (<a href="matlab: opentoline('D:\users\jang\books\matlabProgramming4guru\example\08-计厩ㄧ计矪瞶籔だ猂\fplot03.m',1,0)">line 1</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('goWriteOutputFile>dummyFunction', 'd:\users\jang\books\goWriteOutputFile.m', 85)" style="font-weight:bold">goWriteOutputFile>dummyFunction</a> (<a href="matlab: opentoline('d:\users\jang\books\goWriteOutputFile.m',85,0)">line 85</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('goWriteOutputFile', 'd:\users\jang\books\goWriteOutputFile.m', 55)" style="font-weight:bold">goWriteOutputFile</a> (<a href="matlab: opentoline('d:\users\jang\books\goWriteOutputFile.m',55,0)">line 55</a>)]

パ瓜fplot 穦ㄧ计跑てキ絯矪玻耕祡波妓翴τㄧ计跑て粿疨矪玻ネ耕候盞妓翴

Example 6: 08-计厩ㄧ计矪瞶籔だ猂/fplot04.msubplot (2,1,1); fplot(@(x)sin(1./x), [0.01,0.1]); subplot (2,1,2); fplot(@(x)sin(1./x), [0.01,0.1], 0.0001);[Warning: The tolerance parameter input to fplot has been removed.] [> In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('fplot', 'C:\Program Files\MATLAB\toolbox\matlab\specgraph\fplot.m', 89)" style="font-weight:bold">fplot</a> (<a href="matlab: opentoline('C:\Program Files\MATLAB\toolbox\matlab\specgraph\fplot.m',89,0)">line 89</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('fplot04', 'D:\users\jang\books\matlabProgramming4guru\example\08-计厩ㄧ计矪瞶籔だ猂\fplot04.m', 4)" style="font-weight:bold">fplot04</a> (<a href="matlab: opentoline('D:\users\jang\books\matlabProgramming4guru\example\08-计厩ㄧ计矪瞶籔だ猂\fplot04.m',4,0)">line 4</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('goWriteOutputFile>dummyFunction', 'd:\users\jang\books\goWriteOutputFile.m', 85)" style="font-weight:bold">goWriteOutputFile>dummyFunction</a> (<a href="matlab: opentoline('d:\users\jang\books\goWriteOutputFile.m',85,0)">line 85</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('goWriteOutputFile', 'd:\users\jang\books\goWriteOutputFile.m', 55)" style="font-weight:bold">goWriteOutputFile</a> (<a href="matlab: opentoline('d:\users\jang\books\goWriteOutputFile.m',55,0)">line 55</a>)]

材瓜いfplot ㄏノ箇砞癸甧гㄤ 0.002材瓜い癸甧г砆砞 0.0001и眔非絋瓜癸璶璸衡の瓜丁

ezplot ㎝ fplot 摸ぃ筁ㄏノ虏獽ㄒ璝璶礶Ω兜Α $f(x)=x^3-x^2+x$ 瓜块

Example 7: 08-计厩ㄧ计矪瞶籔だ猂/ezplot01.mezplot(@(x)x^3-x^2+x);[Warning: Function failed to evaluate on array inputs; vectorizing the function may speed up its evaluation and avoid the need to loop over array elements.] [> In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('ezplot>ezplot1', 'C:\Program Files\MATLAB\toolbox\matlab\specgraph\ezplot.m', 498)" style="font-weight:bold">ezplot>ezplot1</a> (<a href="matlab: opentoline('C:\Program Files\MATLAB\toolbox\matlab\specgraph\ezplot.m',498,0)">line 498</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('ezplot', 'C:\Program Files\MATLAB\toolbox\matlab\specgraph\ezplot.m', 154)" style="font-weight:bold">ezplot</a> (<a href="matlab: opentoline('C:\Program Files\MATLAB\toolbox\matlab\specgraph\ezplot.m',154,0)">line 154</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('ezplot01', 'D:\users\jang\books\matlabProgramming4guru\example\08-计厩ㄧ计矪瞶籔だ猂\ezplot01.m', 1)" style="font-weight:bold">ezplot01</a> (<a href="matlab: opentoline('D:\users\jang\books\matlabProgramming4guru\example\08-计厩ㄧ计矪瞶籔だ猂\ezplot01.m',1,0)">line 1</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('goWriteOutputFile>dummyFunction', 'd:\users\jang\books\goWriteOutputFile.m', 85)" style="font-weight:bold">goWriteOutputFile>dummyFunction</a> (<a href="matlab: opentoline('d:\users\jang\books\goWriteOutputFile.m',85,0)">line 85</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('goWriteOutputFile', 'd:\users\jang\books\goWriteOutputFile.m', 55)" style="font-weight:bold">goWriteOutputFile</a> (<a href="matlab: opentoline('d:\users\jang\books\goWriteOutputFile.m',55,0)">line 55</a>)]

ezplot 箇砞瓜絛瞅琌 $[-2\pi, 2\pi]$瓜┮ボ

ezplot ノ礶把计ΑΡ絬絛ㄒいиㄏノ ezplot ㄓ礶ボ猧竟盽履瓜LissajiousˇFiguers

Example 8: 08-计厩ㄧ计矪瞶籔だ猂/ezplot02.m% ezplot 礶キい把计ΑΡ絬 ezplot(@(t)sin(3*t), @(t)cos(5*t));

礶把计ΑΡ絬把计箇砞絛瞅ご礛琌 $[-2\pi, 2\pi]$

ezplot ョノ留ㄧ计瓜ㄒ璝璶礶 $x^3+2x^2-3x+5-y^2+10=0$ 瓜磅︽絛ㄒ

Example 9: 08-计厩ㄧ计矪瞶籔だ猂/ezplot03.m% ezplot ョノ留ㄧ计瓜 ezplot(@(x,y)x^3+2*x^2-3*x-y^2+15);[Warning: Function failed to evaluate on array inputs; vectorizing the function may speed up its evaluation and avoid the need to loop over array elements.] [> In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('ezplotfeval', 'C:\Program Files\MATLAB\toolbox\matlab\specgraph\private\ezplotfeval.m', 56)" style="font-weight:bold">ezplotfeval</a> (<a href="matlab: opentoline('C:\Program Files\MATLAB\toolbox\matlab\specgraph\private\ezplotfeval.m',56,0)">line 56</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('ezplot>ezimplicit', 'C:\Program Files\MATLAB\toolbox\matlab\specgraph\ezplot.m', 267)" style="font-weight:bold">ezplot>ezimplicit</a> (<a href="matlab: opentoline('C:\Program Files\MATLAB\toolbox\matlab\specgraph\ezplot.m',267,0)">line 267</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('ezplot', 'C:\Program Files\MATLAB\toolbox\matlab\specgraph\ezplot.m', 163)" style="font-weight:bold">ezplot</a> (<a href="matlab: opentoline('C:\Program Files\MATLAB\toolbox\matlab\specgraph\ezplot.m',163,0)">line 163</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('ezplot03', 'D:\users\jang\books\matlabProgramming4guru\example\08-计厩ㄧ计矪瞶籔だ猂\ezplot03.m', 2)" style="font-weight:bold">ezplot03</a> (<a href="matlab: opentoline('D:\users\jang\books\matlabProgramming4guru\example\08-计厩ㄧ计矪瞶籔だ猂\ezplot03.m',2,0)">line 2</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('goWriteOutputFile>dummyFunction', 'd:\users\jang\books\goWriteOutputFile.m', 85)" style="font-weight:bold">goWriteOutputFile>dummyFunction</a> (<a href="matlab: opentoline('d:\users\jang\books\goWriteOutputFile.m',85,0)">line 85</a>) In <a href="matlab:matlab.internal.language.introspective.errorDocCallback('goWriteOutputFile', 'd:\users\jang\books\goWriteOutputFile.m', 55)" style="font-weight:bold">goWriteOutputFile</a> (<a href="matlab: opentoline('d:\users\jang\books\goWriteOutputFile.m',55,0)">line 55</a>)]

ezplot 临Τㄤウ匡兜冈ǎ MATLAB 絬や穿

Hint
ezplotいez璣ゅeasyョ碞琌虏虫甧種摸酶瓜临Τ ezplot3ezpolarezsurfezmeshezsurfcezmeshcecontourezcontourf 单 冈ǎ MATLAB 絬や穿

MATLAB祘Α砞璸秈顶絞