Questions and answers by

enigma

Questions (9)

A function is given by,f(x,y) = x^4 - y^2 - 2x^2 + 2y - 7 Using the second derivative test for functions of two variables,
1. 3 answers
2. 420 views
A function of two variables is given by,f (x,y) = 4x^3 + 7xy^4 - 5y^2 + 8 Determine, fxx + fyx at x = 4.25 and y = 3.69, giving
1. 2 answers
2. 413 views
A function of two variables is given by,f(x,y) = e^2x-3y Find the tangent approximation to f(0.989,1.166) near (0,0), giving
1. 0 answers
2. 310 views
A function of three variables is given by,f (x,y,t) = x3y2sin t + 4x2t + 5yt2 + 4xycos t Find ft (3.44,0.58,8.1) giving your
1. 0 answers
2. 305 views
An initial-value problem is given by the differential equation,f(x,y) = x + y, y(0) = 1.64 The Euler-midpoint method is used to
1. 2 answers
2. 665 views
Consider the initial value problem,f(x,y) = y(18.06 - y), y(0) = 12. The exact solution of the problem increases from y(0) =12
1. 0 answers
2. 481 views
An initial-value problem is given by the differential equation,f(x,y)=x(1-y^2), y(1)=0.07 Use the Euler-trapezoidal method with
1. 0 answers
2. 474 views
An initial-value problem is given by the differential equation,f(x,y)=-20xy^2, y(1)=1. Use the classical fourth-order
1. 0 answers
2. 818 views
A function is given by, f(x)=e^-3xwrite down the third-order Taylor approximation for f(x) about x =0. Hence, evaluate f(0.258)
1. 2 answers
2. 407 views