数学实验报告2

数学实验报告系别：班级：姓名：学号：实验目的：通过上机实验，亲手操作MATLAB，加深对MATLAB作为一个工具的理解；通过操作学会用MATLAB绘制简单的二维图形。填写实验报告。实验内容：、为探测一河床横断面结构，在河面上等距离测量深度如下，试绘图表示。距离0102030405060708090测量102.518.5415.6028.9220.6410.5330.2415.000测量201.819.0416.7026.9918.9811.3632.5612.080测量302.027.8714.6827.8721.8612.8428.4316.000题目：河床变化图绘制问题分析：由数据建立相关的变量，利用Matlab绘制二维图形程序>>d=0:10:90;>>h1=[02.518.5415.6028.9220.6410.5330.2415.000];>>h2=[01.819.0416.7026.9918.9811.3632.5612.080];>>h3=[02.027.8714.6827.8721.8612.8428.4316.000];>>plot(d,h1,'r+-',d,h2,'kx:',d,h3,'b*-')结果收获与反思：通过上机操作，成功根据所给数据绘制了河床变化曲线二维图，加深了解MATLAB绘图的方便，快捷。达到了实验目的。数学实验报告2系别：数学与应用数学班级：数学实验班01姓名：何有为学号：10031091实验目的：通过绘制的图形，进一步熟悉MATLAB的操作，及对MATLAB作为一个数学工具的实用性，方便性，可操作性。实验内容：建立变量t,y,绘制图形程序：t=0:0.01:1.5;>>a=sqrt(3);>>y1=sin(4*sqrt(3)*t+pi/3);>>y2=exp(-4*t);>>b=a/2;>>y=b.*y1.*y2y=Columns1through60.75000.74770.74090.73010.71570.6979Columns7through120.67730.65400.62860.60120.57220.5420Columns13through180.51070.47870.44620.41350.38070.3482Columns19through240.31590.28430.25330.22310.19390.1657Columns25through300.13870.11290.08840.06530.04350.0231Columns31through360.0042-0.0134-0.0295-0.0441-0.0574-0.0693Columns37through42-0.0799-0.0891-0.0971-0.1039-0.1095-0.1140Columns43through48-0.1175-0.1200-0.1215-0.1222-0.1221-0.1213Columns49through54-0.1197-0.1176-0.1148-0.1116-0.1080-0.1039Columns55through60-0.0996-0.0949-0.0901-0.0850-0.0799-0.0746Columns61through66-0.0693-0.0639-0.0586-0.0533-0.0481-0.0430Columns67through72-0.0381-0.0332-0.0286-0.0241-0.0198-0.0158Columns73through78-0.0119-0.0083-0.0049-0.00170.00120.0039Columns79through840.00640.00860.01070.01240.01400.0154Columns85through900.01660.01760.01840.01900.01940.0197Columns91through960.01990.01990.01980.01960.01930.0189Columns97through1020.01840.01780.01720.01650.01570.0150Columns103through1080.01420.01330.01250.01160.01070.0099Columns109through1140.00900.00810.00730.00650.00570.0049Columns115through1200.00420.00350.00280.00220.00160.0010Columns121through1260.0005-0.0000-0.0005-0.0009-0.0013-0.0016Columns127through132-0.0019-0.0022-0.0024-0.0026-0.0028-0.0030Columns133through138-0.0031-0.0031-0.0032-0.0032-0.0033-0.0032Columns139through144-0.0032-0.0032-0.0031-0.0030-0.0029-0.0028Columns145through15