is the vector a=i+2J-2ka veit vector?if not find the unit vector having the same direction as a? is the vector a=i+2J-2ka veit vector?if not find the unit vector having the same direction as a?字母上面是向量~

is the vector a=i+2J-2ka veit vector?if not find the unit vector having the same direction as a? is the vector a=i+2J-2ka veit vector?if not find the unit vector having the same direction as a?字母上面是向量~ The line l₁andl₂ intersect at the point C with position vector i+5j+11K.The equation of l₁ and l₂ are r=i+5j+11k+λ（3i+2j-2k)and r=i+5j+11k+μ(8i+11j+6k),where λ and μ are real parameters.a)Find,in the form ax+by+cz=d,an e The line l₁andl₂ intersect at the point C with position vector i+5j+11K.The equation of l₁ and l₂ are r=i+5j+11k+λ（3i+2j-2k)and r=i+5j+11k+μ(8i+11j+6k),where λ and μ are real parameters.a)Find,in the form ax+by+cz=d,an e if(S.elementAt(i)==(((Vector)S1.elementAt(j)).elementAt(i)+((Vector)S2.elementAt(j)).elementAt(i)+((Vector)S3.elementAt(j)).elementAt(i)))其中变量定义如下：Vector S=new Vector();//一维数组Vector S1=new Vector(); //二维数组Vector S2=n 美国大学空间向量问题,没看懂题目.Find w1 = proj(a,b) and the ve美国大学空间向量问题,没看懂题目. Find w1 = proj(a,b) and the vector orthogonal complement w2 given that a = 2i - j + k and b = i + j + k A unit vector parallel to vector (2,-3,6) is vector?答案选（-0.29,0.43,-0.86） vector a = new vector(50);是什么意思 matlab 为什么会出现Z must be a matrix,not a scalar or vector for i=2:1:5Xp(i)=R*cos(200*i)-(R1+R3)*cos(13*i);Yp(i)=R*sin(200*i)+(R1+R3)*sin(13*i);for j=2:1:i-1if Xp(i)==Xp(j)&Yp(i)==Yp(j)Zp(i)=Zp(j)-0.1;else Zp(i)=8-0.1;endendsurf(Xp(i),Yp(i),Z Is pressure a vector or scalar quantity?I know force is a vector quantity since it is defined as a pull or a push one object exerts on another.if so, why pressure, which can be calculated using the relationship 'pressure = force over area' is a scala （英文）题Find the position vector of a point R which divides the line joining two points P and Q whose position vectors are i + 2j - k and -i + j - k respectively in the ratio 2:1 internally and externally还有知道A(3,2,-1),B(2,3,4) 和 C(0, Consider the linear system Ax=b where A is the matrix` [[-4,4,36],[-5,1,29],[1,-1,-9]]`And b is an arbitrary vector` [[b1],[b2],[b3]]`Answer:(Part 1) Is this system solvable for any (Part 2) The system is solvable if vector b satisfies the equation 一道矩阵特征值问题求解Consider the 2X2 matrix（a b）( c d)The direct iteration method for finding eigenvalues is applied to this matrix with the initial vector e0 = (0 1)T.The scaled vector e1 is found to be (1 k)T.If a = 6,b = 1,c = 10 请帮忙解这个数分的题Find an analytic (symbolic) description of the mapping that assigns to a non-zero vector x∈ Rn the vector of length 2 that points in the direction opposite to x.In case n = 3 ,that is if x = (x,y,z) ,determine the comp Confidence Interval #2 Dear all,I am so sorry that I cannot install the Chinese character entry add-in here.Plz give me some ideas of solving this problem.Thx a million :) Let Y = Xβ + ε,where ε N ( 0,σ2IN),and β is a p-dimensional vector,with N .Let A and B be vector subspaces of a vector space V .The intersection of A and B,A ∩ B,is the.Let A and B be vector subspaces of a vector space V .The intersection of A and B,A ∩ B,is the set {x ∈ V | x ∈ A and x ∈ B}.The union of A and B, 向量i(i+j)+j(2j+3j)=? in which j is the current density vector,a the fluid conductivity (a scalar),the reciprocal of resistivity,(E +v x B) is the electric field relative to the moving fluid (relativistic terms being negligible),where E is the electric field in the statio Given an integer N(0 ≤ N ≤ 1000),your task is to calculate #include #include int a[1000][1000]; int main() { int i,j,n,f=0; memset(a,0,sizeof(a)); a[0][1000]=0; a[1][1000]=1; for(i=2;i=0;j--) a[i][j]=a[i-1][j]*i; for(j=1000;j>=0;j--) if(a[i][j]>=