Question

In: Mechanical Engineering

Suppose that x = -7 - 5i and y = 4 + 3i. Use MATLAB to compute

Suppose that x = -7 - 5i and y = 4 + 3i. Use MATLAB to compute

a. x + y

b. xy

c. x/y

 

 

Solutions

Expert Solution

(a)

Write a MATLAB code to compute the value of x + y.

>> x = -7-5i;

>> y = 4+3i;

>> x+y

 

MATLAB output:

ans =

-3.0000 - 2.0000i

 

Therefore, the value of x + y is -3 – j2.

 

(b)

Write a MATLAB code to compute the value of xy.

>> x = -7-5i;

>> y = 4+3i;

>> x*y

 

MATLAB output:

ans =

-13.0000 -41.0000i

 

Therefore, the value of xy is -13 – j41.

 

(c)

Write a MATLAB code to compute the value of x/y.

>> x = -7-5i;

>> y = 4+3i;

>> x/y

 

MATLAB output:

ans =

-1.7200 + 0.0400i

 

Therefore, the value of x/y is – 1.72 + j0.04.

Therefore, the value of x/y is – 1.72 + j0.04.

Junaid answered 2 years ago
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