How to find the in-between value from a array to get corresponding value from 360*2 matrix

How to find the in-between value from a array to get corresponding value from 360*2 matrix. SO if I have an angle of 178.4 , I would like to find out corresponding gain from the array.The gain will be in between 5.6 and 5.8 from the table.

array=[ %angle and gain table
180.0  5.9
179.0  5.8
178.0  5.6
177.0  5.5
176.0  5.1
175.0  4.6
174.0  4.2
173.0  3.5
172.0  2.8
171.0  1.7
170.0  0.5
169.0  -0.9
168.0  -2.8
167.0  -3.9
166.0  -5.3
165.0  -6.4
164.0  -8.3
163.0  -10.1
162.0  -13.9
161.0  -17.6
160.0  -25.7
159.0  -23.2
158.0  -18.0
157.0  -13.4
156.0  -10.6
155.0  -9.3
154.0  -8.8
153.0  -8.5
152.0  -8.6
151.0  -9.4
150.0  -10.5
149.0  -13.1
148.0  -15.9
147.0  -23.7
146.0  -32.1
145.0  -22.4
144.0  -19.1
143.0  -17.1
142.0  -16.3
141.0  -14.9
140.0  -13.4
139.0  -12.1
138.0  -11.2
137.0  -9.9
136.0  -9.1
135.0  -8.8
134.0  -8.4
133.0  -8.2
132.0  -8.1
131.0  -8.2
130.0  -8.5
129.0  -8.7
128.0  -9.2
127.0  -9.6
126.0  -9.9
125.0  -10.5
124.0  -10.9
123.0  -11.9
122.0  -13.2
121.0  -14.3
120.0  -15.4
119.0  -16.5
118.0  -17.8
117.0  -17.9
116.0  -17.4
115.0  -17.1
114.0  -15.7
113.0  -14.8
112.0  -13.6
111.0  -12.8
110.0  -12.0
109.0  -11.6
108.0  -11.0
107.0  -10.5
106.0  -10.4
105.0  -10.4
104.0  -10.4
103.0  -10.6
102.0  -10.8
101.0  -11.0
100.0  -11.4
99.0  -12.2
98.0  -12.5
97.0  -13.2
96.0  -13.9
95.0  -14.8
94.0  -15.4
93.0  -16.4
92.0  -16.9
91.0  -18.3
90.0  -19.4
89.0  -20.9
88.0  -22.0
87.0  -23.5
86.0  -24.1
85.0  -24.8
84.0  -24.2
83.0  -23.3
82.0  -22.4
81.0  -21.0
80.0  -19.2
79.0  -18.6
78.0  -17.3
77.0  -16.5
76.0  -15.8
75.0  -15.5
74.0  -15.6
73.0  -15.5
72.0  -15.4
71.0  -15.7
70.0  -16.1
69.0  -15.9
68.0  -15.9
67.0  -15.7
66.0  -15.4
65.0  -15.2
64.0  -14.8
63.0  -14.6
62.0  -14.4
61.0  -14.0
60.0  -13.7
59.0  -13.5
58.0  -13.2
57.0  -12.6
56.0  -11.8
55.0  -11.1
54.0  -9.9
53.0  -9.1
52.0  -8.2
51.0  -7.7
50.0  -7.4
49.0  -7.4
48.0  -7.8
47.0  -8.3
46.0  -9.5
45.0  -10.6
44.0  -12.7
43.0  -14.7
42.0  -16.1
41.0  -16.1
40.0  -15.4
39.0  -14.3
38.0  -13.9
37.0  -14.1
36.0  -15.1
35.0  -17.2
34.0  -20.5
33.0  -31.9
32.0  -28.4
31.0  -17.4
30.0  -14.2
29.0  -10.9
28.0  -9.5
27.0  -8.4
26.0  -8.2
25.0  -8.6
24.0  -9.2
23.0  -10.8
22.0  -12.1
21.0  -15.5
20.0  -18.7
19.0  -20.4
18.0  -16.0
17.0  -10.6
16.0  -7.9
15.0  -5.2
14.0  -3.6
13.0  -1.8
12.0  -0.7
11.0  0.7
10.0  1.5
9.0  2.3
8.0  3.0
7.0  3.6
6.0  4.3
5.0  4.6
4.0  5.1
3.0  5.4
2.0  5.6
1.0  5.9
0.0  6.0
-1.0  5.9
-2.0  5.8
-3.0  5.5
-4.0  5.3
-5.0  4.9
-6.0  3.7
-7.0  3.0
-8.0  2.4
-9.0  1.6
-10.0  0.3
-11.0  -0.7
-12.0  -2.4
-13.0  -4.2
-14.0  -4.4
-15.0  -5.3
-16.0  -5.7
-17.0  -5.7
-18.0  -5.2
-19.0  -5.1
-20.0  -5.0
-21.0  -4.9
-22.0  -4.7
-23.0  -4.4
-24.0  -4.4
-25.0  -4.3
-26.0  -4.7
-27.0  -5.0
-28.0  -5.8
-29.0  -7.0
-30.0  -7.9
-31.0  -9.2
-32.0  -10.9
-33.0  -11.3
-34.0  -11.5
-35.0  -10.6
-36.0  -9.2
-37.0  -8.5
-38.0  -7.8
-39.0  -7.9
-40.0  -7.9
-41.0  -8.9
-42.0  -10.0
-43.0  -11.7
-44.0  -13.3
-45.0  -14.1
-46.0  -12.6
-47.0  -11.4
-48.0  -9.9
-49.0  -8.7
-50.0  -7.9
-51.0  -7.6
-52.0  -7.7
-53.0  -8.0
-54.0  -8.4
-55.0  -9.2
-56.0  -10.0
-57.0  -11.4
-58.0  -12.5
-59.0  -14.7
-60.0  -16.6
-61.0  -19.8
-62.0  -25.1
-63.0  -29.2
-64.0  -24.3
-65.0  -20.9
-66.0  -18.0
-67.0  -15.6
-68.0  -13.3
-69.0  -12.1
-70.0  -11.0
-71.0  -10.3
-72.0  -9.5
-73.0  -9.5
-74.0  -9.1
-75.0  -9.0
-76.0  -8.9
-77.0  -9.1
-78.0  -9.4
-79.0  -9.5
-80.0  -10.0
-81.0  -10.9
-82.0  -11.2
-83.0  -11.9
-84.0  -12.5
-85.0  -13.4
-86.0  -14.2
-87.0  -15.7
-88.0  -17.6
-89.0  -18.7
-90.0  -21.3
-91.0  -23.8
-92.0  -25.4
-93.0  -25.0
-94.0  -22.7
-95.0  -20.6
-96.0  -19.3
-97.0  -17.5
-98.0  -16.1
-99.0  -15.2
-100.0  -14.6
-101.0  -14.0
-102.0  -13.2
-103.0  -12.8
-104.0  -12.6
-105.0  -12.0
-106.0  -11.8
-107.0  -11.6
-108.0  -11.8
-109.0  -12.1
-110.0  -12.4
-111.0  -13.0
-112.0  -13.6
-113.0  -14.0
-114.0  -14.8
-115.0  -15.7
-116.0  -16.3
-117.0  -17.1
-118.0  -17.8
-119.0  -17.7
-120.0  -16.7
-121.0  -15.1
-122.0  -13.5
-123.0  -12.4
-124.0  -11.2
-125.0  -10.7
-126.0  -10.1
-127.0  -10.0
-128.0  -10.1
-129.0  -10.3
-130.0  -10.7
-131.0  -11.5
-132.0  -12.2
-133.0  -12.5
-134.0  -12.3
-135.0  -12.1
-136.0  -10.8
-137.0  -9.9
-138.0  -9.3
-139.0  -8.7
-140.0  -8.4
-141.0  -8.1
-142.0  -7.9
-143.0  -8.0
-144.0  -8.3
-145.0  -8.6
-146.0  -8.9
-147.0  -8.6
-148.0  -8.2
-149.0  -7.3
-150.0  -6.6
-151.0  -5.7
-152.0  -5.4
-153.0  -5.1
-154.0  -4.8
-155.0  -4.5
-156.0  -4.3
-157.0  -4.0
-158.0  -3.9
-159.0  -3.7
-160.0  -3.7
-161.0  -3.9
-162.0  -4.2
-163.0  -4.8
-164.0  -5.1
-165.0  -5.4
-166.0  -5.0
-167.0  -3.8
-168.0  -2.1
-169.0  -0.9
-170.0  0.6
-171.0  1.3
-172.0  2.4
-173.0  3.0
-174.0  3.7
-175.0  4.9
-176.0  5.3
-177.0  5.5
-178.0  5.7
-179.0  5.9]

Answer 1

[Andrei Bobrov]

out = interp1(array(:,1),array(:,2),178.4)

[Maneesh T]

Its good to use a matlab function but I would like to have without using the interpolate function. Can you do it??