Skip to content
Toggle navigation
P
Projects
G
Groups
S
Snippets
Help
makuks
/
iax0583
This project
Loading...
Sign in
Toggle navigation
Go to a project
Project
Repository
Issues
0
Merge Requests
0
Pipelines
Wiki
Snippets
Members
Activity
Graph
Charts
Create a new issue
Jobs
Commits
Issue Boards
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Commit
11c661db
authored
6 years ago
by
makuks
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Upload New File
parent
a4c1af33
master
Show whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
47 additions
and
0 deletions
LAB6/task1.c
LAB6/task1.c
0 → 100644
View file @
11c661db
#include <stdio.h>
#include <math.h>
double
vectorMagnitude
(
int
vector
[
3
]);
int
dotProduct
(
int
vector1
[
3
],
int
vector2
[
3
]);
double
cosCompare
(
int
vector1
[
3
],
int
vector2
[
3
]);
int
main
(){
int
matrix
[
4
][
3
]
=
{{
1
,
4
,
6
},
{
2
,
-
3
,
1
},
{
3
,
5
,
0
},
{
3
,
1
,
-
3
}};
for
(
int
i
=
0
;
i
<
3
;
i
++
){
for
(
int
j
=
i
+
1
;
j
<
4
;
j
++
){
printf
(
"%lf
\n
"
,
cosCompare
(
matrix
[
i
],
matrix
[
j
]));
}
}
return
0
;
}
double
vectorMagnitude
(
int
vector
[
3
]){
int
sumOfSquares
=
0
;
for
(
int
i
=
0
;
i
<
3
;
i
++
){
sumOfSquares
+=
vector
[
i
]
*
vector
[
i
];
}
double
magnitude
=
sqrt
(
sumOfSquares
);
return
magnitude
;
}
int
dotProduct
(
int
vector1
[
3
],
int
vector2
[
3
]){
int
dot
=
0
;
for
(
int
i
=
0
;
i
<
3
;
i
++
){
dot
+=
vector1
[
i
]
*
vector2
[
i
];
}
return
dot
;
}
double
cosCompare
(
int
vector1
[
3
],
int
vector2
[
3
]){
int
dot
=
dotProduct
(
vector1
,
vector2
);
double
mag1
=
vectorMagnitude
(
vector1
);
double
mag2
=
vectorMagnitude
(
vector2
);
double
cosine
=
dot
/
(
mag1
*
mag2
);
double
anglerad
=
acos
(
cosine
);
double
angle
=
anglerad
*
180
.
0
/
3
.
1415926535897932384626433832795028841
;
return
angle
;
}
This diff is collapsed.
Click to expand it.
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment