11復 僌儔僼偺嶌惉

娭悢 y=sinx 偺僌儔僼傪掕媊堟 [-2兾,2兾] 偱昤偔偵偼丄師偺傛偆偵擖椡偟傑偡丅

亜plot(sin(x) ,x=-2 * Pi . . 2 * Pi )

2偮偺僌儔僼傪摨帪偵昞帵偡傞偵偼丄師偺傛偆偵幃傪2偮暲傋偰

亜plot( [ sin(x) , cos(x) ] , x=-2 * Pi . . 2 * Pi )

偲偟傑偡丅Maple 偱偼丄暋悢偺僌儔僼偼帺摦揑偵嬋慄偺怓傪曄偊偰昞帵偝傟傑偡丅 敀崟偱偒傟偄偵報嶞偡傞偨傔偵偼丄師偺傛偆偵擖椡偡傞偲傛偄偱偡丅

亜plot( [ sin(x) , cos(x) ] , x=-2 * Pi . . 2 * Pi , linestyle=[1,2] , color=black)

慄偺怓傪崟 ( color=black )丄慜幰偺僌儔僼傪幚慄偱屻幰傪攋慄 ( linestyle=[1,2] ) 偱昞帵偟傑偡丅
linestyle 偺抣偑 0丂傑偨偼丂1丂偱幚慄丄2丂埲忋偱偝傑偞傑側攋慄傪昞偟傑偡丅 徻嵶偵偮偄偰偼丄僿儖僾傪嶲徠偟偰偔偩偝偄丅



幚廗丂11.1丂丂師偺娭悢偺僌儔僼傪昤偄偰傒傑偟傚偆丅
丂(1)丂y=xcos(πx)丂乮 掕媊堟丂[-20,20] 乯
丂(2)丂y=xsin(1/x)丂乮 掕媊堟 (0,0.2] 乯

[惓夝椺]