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zhangxiyu199

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2Â¥2015-06-21 12:45:21
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fayefan

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2Â¥: Originally posted by zhangxiyu199 at 2015-06-21 12:45:21
µÚ¶þÐÐf2ºóÃæÔÙ¼ÓÉÏ£¬ÁíÍâplotstyleÖеÄÄÇÁ½Ïî¶¼ÒªÓöººÅ·Ö¸î£¬¶ø²»ÊǵãºÅ¡£

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Syntax::sntxb: Expression cannot begin with "f2[x_]:=D[f1[x],x]".

Syntax::tsntxi: "f2[x_]:" is incomplete; more input is needed.
3Â¥2015-06-22 09:05:03
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dk1013

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f1[x_] := Sin[x];
f2[x_] := D[f1[x], x];
Plot[{Evaluate[f1[x]], Evaluate[f2[x]]}, {x, -5, 10},
PlotStyle -> {{Thickness[3].Thickness[3]}, {RGBColor[1, 0, 0],
    RGBColor[0, 0, 1]}}]
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4Â¥2015-06-22 09:24:02
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dk1013

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ÒýÓûØÌû:
4Â¥: Originally posted by dk1013 at 2015-06-22 09:24:02
f1 := Sin;
f2 := D;
Plot[{Evaluate, Evaluate}, {x, -5, 10},
PlotStyle -> {{Thickness.Thickness}, {RGBColor,
    RGBColor}}]

»òÕߣº
f1[x_] = Sin[x];
f2[x_] = D[f1[x], x];
Plot[{f1[x], f2[x]}, {x, -5, 10},
PlotStyle -> {{Thickness[3].Thickness[3]}, {RGBColor[1, 0, 0],
    RGBColor[0, 0, 1]}}]

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5Â¥2015-06-22 09:24:42
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6Â¥2015-06-22 13:39:24
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xiaomm09

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7Â¥2015-06-23 23:32:36
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8Â¥2015-06-23 23:49:15
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