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【求助】surf 函数应用时候出现问题
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t22 = [14.2108 14.6254 14.6373 14.6603 14.8070 15.2006 15.2092 15.4628 15.4806 15.5218 15.6294 15.6337 15.7272 15.7344 15.7489 15.7543 15.8346 15.8556 15.8776 15.9107 15.9221 15.9410 16.0229 16.1284 16.1450 16.1581 16.2808 16.3309 16.3447 16.3655 16.3682 16.4095 16.4259 16.4324 16.4823 16.5610 16.5622 ]; Cr2 = [ 16.8400 16.9540 17.0100 17.0320 17.0420 17.0920 17.1320 17.1400 17.1960 17.2160 17.2840 17.2860 17.3160 17.3240 17.3560 17.3780 17.3840 17.4000 17.4260 17.4280 17.4420 17.4580 17.4660 17.4700 17.5100 17.5180 17.5180 17.5220 17.5360 17.5560 17.5820 17.6100 17.6120 17.6340 17.6520 17.6640 17.6660 ]; r2 = [ 10.4775 13.6780 14.1200 14.4880 14.5615 14.6455 15.2470 16.1830 16.5340 17.2380 17.7865 17.8885 18.7470 19.0950 19.0975 19.3450 19.7785 20.1340 20.1495 20.3760 20.8410 20.9260 20.9365 21.3595 23.1790 23.3240 23.7875 24.1855 25.0160 25.7555 26.1545 26.4890 27.2200 27.6805 27.9540 28.2315 29.6080 ]; E2 = [ 20.0000 23.5000 28.5000 30.2500 30.5000 30.5000 31.7500 32.2500 33.0000 34.7500 35.5000 35.7500 36.0000 37.7500 38.0000 38.0000 39.0000 39.2500 39.5000 40.5000 41.5000 42.5000 43.0000 44.0000 44.5000 46.0000 46.5000 46.5000 46.7500 46.7500 47.0000 47.2500 48.2500 51.0000 51.7500 55.7500 62.5000 ]; T2 = 1.0e+003 *[ 1.5240 1.5275 1.5325 1.5342 1.5345 1.5345 1.5357 1.5362 1.5370 1.5388 1.5395 1.5398 1.5400 1.5418 1.5420 1.5420 1.5430 1.5433 1.5435 1.5445 1.5455 1.5465 1.5470 1.5480 1.5485 1.5500 1.5505 1.5505 1.5508 1.5508 1.5510 1.5513 1.5522 1.5550 1.5558 1.5598 1.5665 ]; surf(Cr2,r2,t22); surf(E2,T2,t22); Warning: Matrix dimensions must agree, not rendering mesh. Warning: Matrix dimensions must agree, not rendering mesh. Warning: Matrix dimensions must agree, not rendering mesh. 运行surf函数的时候出现这个错误，请指点？ 如何画出 Cr2,r2,t22 三者之间的关系图 谢谢了！ [ Last edited by yujunhui on 2009-10-11 at 21:13 ] |
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小木虫(金币+0.5):给个红包，谢谢回帖交流
sunxiao(金币+2,VIP+0):谢谢参与，欢迎常来 10-15 04:58
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兄弟，看下surf的帮助，你的少一个参数。你里边的三个参数仅生成三维坐标，没有高度值。 help surf SURF 3-D colored surface. SURF(X,Y,Z,C) plots the colored parametric surface defined by four matrix arguments. The view point is specified by VIEW. The axis labels are determined by the range of X, Y and Z, or by the current setting of AXIS. The color scaling is determined by the range of C, or by the current setting of CAXIS. The scaled color values are used as indices into the current COLORMAP. The shading model is set by SHADING. SURF(X,Y,Z) uses C = Z, so color is proportional to surface height. SURF(x,y,Z) and SURF(x,y,Z,C), with two vector arguments replacing the first two matrix arguments, must have length(x) = n and length(y) = m where [m,n] = size(Z). In this case, the vertices of the surface patches are the triples (x(j), y(i), Z(i,j)). Note that x corresponds to the columns of Z and y corresponds to the rows. SURF(Z) and SURF(Z,C) use x = 1:n and y = 1:m. In this case, the height, Z, is a single-valued function, defined over a geometrically rectangular grid. SURF(...,'PropertyName',PropertyValue,...) sets the value of the specified surface property. Multiple property values can be set with a single statement. SURF(AX,...) plots into AX instead of GCA. |
2楼2009-10-11 21:07:42
3楼2009-10-14 23:28:39