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matlab做一组数据的拟合直线,X(mm) 15 15.2 15.4 15.6 15.8 16 16.2 16.4 16.6 16.8V(mV) 0.01 0.015 0.019 0.024 0.03 0.036 0.041 0.047 0.052 0.057顺路问问能不能帮忙算下非线性误差 线性拟合的程序：clear x=[15 15.2 15.4 15.6 急需约150字的英语作文!关于平等及家庭生活的英语作文,具体要求如下：Write a short essay about equality and family life.You may write about the different roles within families,whether men,women and children in families share 急需英语作文,150字How do you usually communicate with your family and friends?What do you think is the most convenient means of communication? 把a+ax+ax^2+x^2-1因式分解 a^x^-ax+b^-ab因式分解 因式分解 (a-b)x+ax^2-b 直线和圆的方程 若直线AB的斜率是2,将直线绕A点按逆时针方向旋转45度,所得直线的 直线和圆的方程所得直线的斜率 如何解35x＋30（100－x）＋40y＋45（50－y）＝5200 方程有两正根充要条件两个相同的根算不算有两根?还是算一根 世界现代哲学奠基人 方程有实根的充要条件是什么 翻译“rarely” 现代哲学核心思想能超越马克思的哲学观吗? 直线l的倾斜率为α,且tanα=1/2,将l绕着与x轴的交点逆时针旋转135°后,求所得直线的斜率 在Rt三角形中,角ACB等于90度,点d在边AB上,以BD为直径的圆O与边AC相切于点E,连接DE并延长交BC延长线于点F.证：1.BD等于BF2.若BC等于6,AD等于4,求圆O的面积 matlab将已知坐标点画在图上x =351.0000519.0000298.0000563.0000278.0000195.0000295.0000250.0000398.0000283.0000349.0000205.0000243.0000379.0000161.0000223.0000443.0000255.0000324.0000369.0000311.0000184.0000y =241.0000206.0000212.0000205.0000 matlab 离散点画连续图F3:[100,50.3%],[200,62.3%],[300,68.3%],[400,72.1%],[500,75.3%],[600,76.3%],[700,77.7%],[800,76.8%],[900,77.8%],[1000,80.0%],[1200,82.0%],[1400,83.7%],[1600,84.3%],[1800,85.0%],[2000,85.5%],[3000,87.7%],[4000,89.8%],[5000,9 matlab怎么把一组已知的点画在坐标图上?x = { 0,5,10,15,20,25,30,35,40,45,50,55 };y = { 0.0,1.27,2.16,2.86,3.44,3.87,4.15,4.37,4.51,4.58,4.02,4.64 AB为圆O的直经,C为圆上一点.证明角ACB等于90度 The foolish man seeks happiness in the distance,while the wise grows it under his feet.怎么翻译? 请帮我翻译一下这句话：one study found a correlation of just .12 between income and happiness. Over the Water 歌词 1.填表 单项式 2a^2 -1.2h xy^2 -t^2 -2ut/3 系数 次数这是5个数：2a^2，-1.2h，xy^2，-t^2，-2ut/3各求他们的系数和次数 ①2a² ②－1.2h ③ xy² ④－t² ⑤－2ut/3 求这几个数的系数和次数 和翻山越岭,前赴后继相关的词有哪些? 设x=3是函数f(x)=(x^2+ax+b)e^(3-x) 的一个极值点..(1) 求a与b的关系式（用a表示b),并求f(x)的单调区间为什么x=3是极值点,则函数倒数=0中x1≠x2? 证明e^x大于2x? 英语选择题Susan () fruit after dinner.A.eat B.have英语选择题Susan () fruit after dinner.A.eat B.have C.eats 证明：e∧x－x²－2x-2＞0 谁能帮我证明一下e∧x－x²－2x+2＞0, y＝0是一元一次方程吗?请说明理由 ___these books were offered to the Project HopeA.two hundred B.two hundred of为什么用B不用A