Questions and answers by

assma

Questions (36)

How can find weak form to d^4u/dx^4+du/dx=f (x)By using finite element
1. 0 answers
2. 483 views
what is meanning1)freadholm operator 2)lyapunov-schmidt
1. 0 answers
2. 296 views
what is meanning frechet and gateaux derivatives
1. 2 answers
2. 306 views
show that if w is continous on [0,1] and integral w*v on [0,1] equal zero then w(x)=0 for x in [0,1]
1. 0 answers
2. 280 views
show that if w is continous on [0,1] and integral wv on [0,1] equal zero then w(x)=0 for x in [0,1]
1. 0 answers
2. 403 views
prove sum(x^2)=n(n+1)(2n+1)/6 from x=1 to x=n
1. 1 answer
2. 389 views
prove sum(x^2)=n(n+1)(2n+1)/2 from x=1 to x=n
1. 1 answer
2. 326 views
ln(y+1)+ln8=x+lnx
1. 1 answer
2. 300 views
let y1<y2<y3 be the order statistics of random sample of size a distributionf(x)=2x , 0<x<1 show that z1=y1/y3, z2=y2/y3 ,z3=y3
1. 0 answers
2. 460 views
let y1<y2<y3 be the order statistics of random sample of size a distributionf(x)=2x , 0<x<1 show that z1=y1/y3, z2=y2/y3 ,z3=y3
1. 0 answers
2. 431 views
solve y"+4y-4z'=3xz"+z-y'=1-x where y(0)=z(0)=1 and y'(0)=z'(0)=0 by laplace transform
1. 1 answer
2. 539 views
solve xd^2y/dx^2+y=0by frobenius method
1. 2 answers
2. 481 views
the distribution having p.d.f.f(x)=exp(a-x) x>0 Let x1=min{x1,x2,...,xn}and zn=n(x1-a), find the limiting distribution of zn
1. 0 answers
2. 451 views
the distribution having p.d.f.f(x)=(exp(x)*a^x)/x! x=0,1,2,... a>=0 find the maximum liklihood estimator of a
1. 0 answers
2. 315 views
find integral exp(-x)x^-2
1. 1 answer
2. 447 views
solve (1+x)^2d^y/dx^2+(1+x)dy/dx+y=4cosh(x+1)
1. 0 answers
2. 281 views
let two stochastically independent random variables y1 and y2 with the distribution b(100,p1) and b(100,p2) respectively,y1=50
1. 0 answers
2. 372 views
let two stochastically independent random variables y1 and y2 with the distribution b(n1,p1) and b(n2,p2) respectively,how find
1. 0 answers
2. 403 views
how can find on the particular solution of the linear DE'sd^3y/dx^3+4d^2y/dx^2+4dy/dx=exp(-2x)
1. 1 answer
2. 348 views
prove sum(x)=n(n+1)/2 from x=1 to x=n
1. 2 answers
2. 382 views
how can findsum (x) from x=1 to x=n
1. 4 answers
2. 398 views
solve d^3y/dx^3+4d^2y/dx^2+4dy/dx=exp(-2x)
1. 0 answers
2. 368 views
solve d^3y/dx^3-3d^2y/dx^2+2dy/dx=exp(2x)
1. 4 answers
2. 526 views
Let x1,x2,x3 be random sample with pdff(x)=exp(-x),x>0 find the joint pdf of y1=x1/x2, y2=x3/(x1+x2),y3=x1+x2 find pdf of y1 Are
1. 0 answers
2. 441 views
Let x1,x2,x3 be random sample with pdff(x)=exp(-x),x>0 find the joint pdf of y1=x1/x2, y2=x3/(x1+x2),y3=x1+x2 find pdf of y1 Are
1. 0 answers
2. 445 views
let X1,X2,X3 be random sample with pdff(x)=exp(-x),x>0,find the joint pdf of Y1=X1/X2, Y2=X3/(X1+X2) ,Y3=X1+X2, and find pdf of
1. 0 answers
2. 514 views
let X1,X2,X3 be random sample with pdff(x)=exp(-x),x>0,find the joint pdf of Y1=X1/X2, Y2=X3/(X1+X2) ,Y3=X1+X2, and find pdf of
1. 0 answers
2. 522 views
Let x1,x2,x3 be random sample of f(x)=exp(-x),x>0,zero elsewhere,if y1=x1/x2,y2=x3/(x1+x2),y3=x1+x2 find
1. 0 answers
2. 362 views
Let x1,x2,x3 be random sample of f(x)=2x,0<x<1,zero elsewhere find P(x1/x2<0.5)
1. 1 answer
2. 396 views
Let x1,x2,x3 be random sample of normal(6,4)(x+1)/2,-1<x<1,find P(max{x1,x2,x3}>8)
1. 1 answer
2. 337 views
Let x1,x2,x3 be random sample of normal(6,4), find P(max{x1,x2,x3}>8)
1. 1 answer
2. 351 views
Let x1,x2,x3 be random sample of normal(6,4), find P(max{x1,x2,x3}>8)
1. 1 answer
2. 436 views
Let x1,x2,x3,x4,x5 be random sample of f(x)=(x+1)/2,-1<x<1,zero elsewhere, find P(four of{x1,x2,x3,x4,x5}>0)
1. 1 answer
2. 338 views
Let X1,X2,…,X25 be random sample ~ normal(0,16) and Y1, Y2,…,Y25 be random sample ~ normal(1,9), assume the two samples are
1. 2 answers
2. 913 views
let X~normal(0,16) and Y~normal(1,9), find P(X>Y)
1. 0 answers
2. 373 views
let X~normal(0,16) and Y~normal(1,9), find P(X>Y)
1. 0 answers
2. 346 views