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Test scores make you either happy or sad and your parents pay high attention to .Test scores make you either happy or sad and your parents pay high attention to your test results.You spend days filling in blanks,trying to make the best a (92) to ques How Can You Make Your Parents Happy可以作为英文题目吗 感恩奉献社会征文 MATLAB求解非线性方程组用fsolve函数求解建立函数文件fxyz.mfunction F=fxyz(X)x=X(1);y=X(2);z=X(3);F(1)=x^2+y^2+z^2;F(2)=3*x+5*y+6*z;F(3)=x-3*y-6*z-1;给定初值[-1,1,-1],调用fsolve函数求方程的根X1=fsolve('fxyz',[-1,1,-1]',op matlab中fsolve解非线性方程组算例>> syms x yeq1=(1-0.14*x^2)*(0.3+0.7*exp(-0.65*x^6))-0.2537*y;eq2=x-3.9735*y;ezplot(eq1)hold onezplot(eq2)x0=[2 1;-4 -1]for ii=1:2[x fval]=fsolve(@f,x0(ii,:))end运行时总出现Error:"f" was previously used matlab 中fsolve求解非线性方程组可以给定解的区间么 关于一元二次方程 二次函数的题目~急已知关于X的二次函数y=x^+(2k-1)x+k^-1(1)若已知x的一元二次方程x^+(2k-1)x+k^-1=0的两根的方程平方和等于9,求K的值.(2)在 （1）的条件下,设这个二次函数的图像 I want to make a ( )boat.Have we got ( )ice-cream? 已知二次函数 y=x²-(m²+8)x+2(m²+6).（1）求证：不论m取任何实数,此函数图像都与x轴有两个交点,且两个交点都在x轴的正半轴上.（2）设这个函数的图像与x轴交于B,C两点,与y轴交于A点, Please remember ,______(careful) you are,____(few)mistakes upi will make mistakes的中文是什么 .Remember this,children.______junk food you eat,______you’ll feel.A.the fewer; the more healthy B.the fewer; the healthierC.the less; the healthier D.the less; the more healthily 请问m³/sec这个单位是什么意思? 第二步的sec^2(x^3)怎么消的啊 What have been the main effects of technological development on society 哪位能帮我换一种方式说```就是意思相同但是句型不同~谢谢了```当然要优美一点的,不要太过简单的,我也会``KEVIN``我句中的是EFFECTS。名 七下第二单元综合提优测评卷 13.-Remember this,John __carefull you are.-Remember this,John __carefull you are.__mistakes you will makes.-Thanks,Miss Rose.A.The more；the least B.The more；thefewer C.The less；the fewer D.The more；the Thanks allabout.Let me remember I have been to this world Thanks for you instead me made this decision 某校200米跑道的内两圈,弯道为半圆形,跑道宽1.2米.两名运动员沿各自跑道赛跑一圈,为使两人所跑距离相等,应让外跑道的运动员的起跑点前移多少米? 已知函数f(x)=1/lg(2^x+4*2^-x-a)的定义域为R,求实数a的范围 ________ it is to have a cold drink on such a hot day!A.What a fun B.How fun C.What fun D.How a fun It is _____ to have a cold drink in a very hot day.A.pleasure B.pleased C.a pleasure D.pleasures I want to t---- to Shanghai this winter该怎么填 When do you want go to America?I want to go to America this Sunday.为什么问就是want,回答就是want to呢? 求一根弹簧钢丝实际长度：螺旋呈3个圆周,带螺旋长度2cm,螺旋高度0.5cm.有关于求螺旋长度的公式吗?阿基米德螺旋线是怎么回事?适用此题吗? f(x)=绝对值（x-a),g(x)=ax,记F(x)=f(x)-g(x),求函数F(x)在(0,a]上的最小值F(x)=f(x)-g(x)=｜x-a｜-ax 因为定义域为：（0,a] 所以 0 设函数f{x}=|x-a|,g{x}=ax.记F{x}=f{x}-g{x},求函数F{x}在{0,a]上的最小值{a>0} 已知函数fx=|x-a|,g(x)=ax.记F(x)=f(x)-g(x),求函数F(x)在(0,a]上的最小值(a>0)1 英语阅读理解开头是Farmers can produce more by planting several different crops in the same field...英语阅读理解开头是Farmers can produce more by planting several different crops in the same field ,要经典试题答案 函数F（x）是绝对值x减a…G（X）是a乘x,记w等于F减G求：W在（0,a]上的最小值（a大于0） is four times more likely to have heart disease than a non-smoker of the same age英文翻译 什么意思? One of the (secret)of (learn)more english 把一张长6分米,宽4分米的红纸剪成一个最大的圆,剪掉部分的面积是（ ）平方分米.