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Chapter: 14 / Q: 23.14
) Create the following complex variables c1 = 2 -4i; c2 = 5+3i; Perform the following operations on them:  add them  multiply them  get the complex conjugate and magnitude of each  put them in polar form
Chapter: 14 / Q: 24.14
Represent the expression z3 -2z2 + 3 – 5i as a row vector of coefficients, and store this in a variable compoly. Use the roots function to solve z3 -2z2 + 3 – 5i = 0. Also, find the value of compoly when z = 2 using polyval
Chapter: 14 / Q: 25.14
What is the value of the trace of an n x n identity matrix?
Chapter: 14 / Q: 26.14
For an m x n matrix, what are the dimensions of its transpose?
Chapter: 14 / Q: 27.14
What is the transpose of a diagonal matrix A?
Chapter: 14 / Q: 28.14
When is a square matrix both an upper triangular and lower triangular matrix?
Chapter: 14 / Q: 29.14
Is the transpose of an upper triangular matrix also upper triangular? If not, how would you characterize it?
Chapter: 14 / Q: 30.14
Given the following colormap matrix:
Chapter: 14 / Q: 31.14
Write a function myupp that will receive an integer argument n, and will return an n x n upper triangular matrix of random integers
Chapter: 14 / Q: 32.14
Analyzing electric circuits can be accomplished by solving sets of equations. For a particular circuit, the voltages V1, V2, and V3 are found through the system:
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