15 Jul SciLab HW
ENGR 112 HW#9 NAME________________________
1
For this homework you will be creating functions in SciLab. You will turn in
electronically, each of the functions requested below.
1.) Write a function that can take in two matrix of any size and solve the system of
equations using matrix operation.
a. The function will take in two matrix and output one matrix.
i. function [Solution] = solveEQ(AA, BB)
b. First check the size of the two input matrix and determine if they are the
right size to be used for solving the unknowns.
i. Determine if AA is a square matrix. If not output “AA is not square”.
ii. Determine if BB is a column matrix and has the same number of
columns as AA. If not output “BB is not a column matrix” or “BB is
not the right size”
c. If the size of the matrix is acceptable then perform the matrix operation
and output the resulting vector.
2.) Suppose you know the lengths and the angle (in degrees) between two adjacent
sides of a triangle, as shown in the drawing below. You can find the area of the
triangle using the following relationship: TriArea = ½ * a * b * sin(x)
a. Write a function that will take in a matrix in the form of [length_a1,
length_b1, angle1; length_a2, length_b2, angle2; …]. Use a FOR loop to
calculate the area of each of the triangles and output a column matrix in
the form of [area1;area2;…].
b. function [Area] = TriArea(AB)
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