[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f_4dv6S-UK5UWktHgF1T0i6bZ67A7Ay1Nd9PzK3rqQjU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":22,"type":23},[],"2025-12-09 09:16:35",256847660,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},30,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_48309451","作业20251119","绘制三维曲面\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4689031ae59a3319191422d3fbffca0c.png\"> x=-2:.1:2; y=-2:.1:2; [X,Y]=(__________)(x,y); Z=sin(pi*sqrt(x(____________)2+y(______________)2)); plot3(X,Y,Z)",[17,24,29,34,39,44,49,54,57,62],{"answer":18,"createTime":5,"id":19,"options":20,"question":21,"source":22,"type":23},[],256847648,[],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4f342fe56e763bb54fc24675a27554b5.webp\">,当x和y的取值范围均为-2到2时,用建立子窗口的方法在同一个图形 窗口中绘制出三维线图、网线图、表面图和带渲染效果的表面图. >> [x,y]=___________________([-2:.2:2]); >> z=x.*exp(-x.^2-y.^2); >> mesh(x,y, z) >> _______________(2,2,1),plot3(x,y,z) >> title('plot3 (x,y,z)') >> subplot (________________), >>________________(x, y, z) >> title('mesh (x,y,z)') >> subplot (2,2,3),surf (x,y, z) >> title('surf (x,y,z)') >> subplot(2, 2, 4), >>surf (x,y,z) >>_________________interp >> title('surf (x,y,z), shading interp')","v1",2,{"answer":25,"createTime":5,"id":26,"options":27,"question":28,"source":22,"type":23},[],256847650,[],"表中列出了4个观测点的6次测量数据,将数据绘制成为分组形式和堆叠形式的条形图. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F534267a8644b530518eebfc1f3975ea1.png\"> y=[3 6 9 6; 6 7 7 4;7 3 2 3;4 2 5 2;2 4 8 7;————————] bar( ___________) bar(y,'________________')",{"answer":30,"createTime":5,"id":31,"options":32,"question":33,"source":22,"type":23},[],256847652,[],"绘制杆状图的函数是____________",{"answer":35,"createTime":5,"id":36,"options":37,"question":38,"source":22,"type":23},[],256847654,[],"设x=rcost+3t,y=rsint+3,分别令r=2,3,4,画出参数t=0~10区间生成的x~y曲线. >> t=linspace(0,10); >> r1=_________; >> x1=(r1*________+3*t); >> y1=r1*sin(t)+3; >> r2=3; >> x2=(r2*cos(t)+3*t); >> y2=r2*sin(t)+3; >> r3=4; >> x3=(r3*cos(t)+3*t); >> y3=r3*sin(t)+3; >> plot(________,y1,'r',x2,y2,'b',x3,____________,'m')",{"answer":40,"createTime":5,"id":41,"options":42,"question":43,"source":22,"type":23},[],256847656,[],"分别用plot、fplot命令绘制函数 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa822ce8e622a4177a22af2653c860bcd.png\">. x=-2:.1:2; y = x_____2.*sin(x.*x - x - 2); ___________________(x,y) h=____________ x.^2__________sin(x.*x - x - 2) ____________(_____,[-2,2])",{"answer":45,"createTime":5,"id":46,"options":47,"question":48,"source":22,"type":23},[],256847658,[],"用[c,hc]=contour(peaks(30))语句绘制双峰曲面的等高线图,通过控制图形句柄的方法将第四条等高线hc(4)加粗为2磅,将第六条等高线hc(6)表示为虚线,在第十条等高线hc(10)上加星号标记.>> [c,hc]=contour(peaks(30));>> set(hc(4),'linewidth',(____________))>> set(hc(6),'edgecolor',[1,0.8,0],'linestyle','(____________)')>> set(hc(10),'marker','(________________)')",{"answer":50,"createTime":5,"id":51,"options":52,"question":53,"source":22,"type":23},[],256847659,[],"绘制peaks函数的表面图,用colormap函数改变预置的色图,观察色彩的分布情况. _______________(peaks(30)) __________________(hot)\u002F\u002F设置为黑红黄白渐变彩色图 colormap(_________)\u002F\u002F设置为由青到品红渐变彩色图",{"answer":55,"createTime":5,"id":6,"options":56,"question":15,"source":22,"type":23},[],[],{"answer":58,"createTime":5,"id":59,"options":60,"question":61,"source":22,"type":23},[],256847661,[],"下面是绘制 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd7d87b92ea57a7878a64a73dd9a4f224.png\">在[-2,2]*[-2,2]区域上的三维表面图的程序,请完成空格中的语句. x=-2:0.2:2; [X,Y]=______________(x); Z=X.*exp(-X.^2-Y.^2); _________________",{"answer":63,"createTime":5,"id":64,"options":65,"question":66,"source":22,"type":23},[],256847662,[],"用sphere函数产生球表面坐标,绘制不通明网线图、透明网线图、表面图和带剪孔的表面图. [x,y,z]=shpere(30) subplot(1,4,1) _________________(x,y,z) subplot(1,4,2) mesh(x,y,z) ____________ off; subplot(1,4,3) ________________(x,y,z) subplot(1,4,4) z(18:30,1:5)=____________________ surf(x,y,z)"]