Show that a Dirichlet problem (see Chapter 13, Section 3) for Laplace’s equation in
a finite region has a unique solution; that is, two solutions u1 and u2 with the same
boundary values are identical. Hint: Consider u2 − u1 and use Problem 37. [Also
see Chapter 13, discussion following equation (2.17).]

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step-by-step explanation:

answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column

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step-by-step explanation:

ever thing time 1 is a multiply by 1 it get