From 03cebfa7d39e2b99d8ec60b425d0e67316e9c28e Mon Sep 17 00:00:00 2001
From: Abhinav K <abhinavk5544@gmail.com>
Date: Wed, 3 Jun 2020 22:44:32 +0530
Subject: [PATCH 1/2] Linear regression

---
 .../.pytest_cache/v/cache/lastfailed          |   1 +
 .../.pytest_cache/v/cache/nodeids             |   4 ++
 .../__pycache__/main.cpython-36.pyc           | Bin 0 -> 1573 bytes
 .../__pycache__/test.cpython-36-PYTEST.pyc    | Bin 0 -> 1253 bytes
 Tasks/registration_task/main.py               |  47 +++++++++++++-----
 5 files changed, 40 insertions(+), 12 deletions(-)
 create mode 100644 Tasks/registration_task/.pytest_cache/v/cache/lastfailed
 create mode 100644 Tasks/registration_task/.pytest_cache/v/cache/nodeids
 create mode 100644 Tasks/registration_task/__pycache__/main.cpython-36.pyc
 create mode 100644 Tasks/registration_task/__pycache__/test.cpython-36-PYTEST.pyc

diff --git a/Tasks/registration_task/.pytest_cache/v/cache/lastfailed b/Tasks/registration_task/.pytest_cache/v/cache/lastfailed
new file mode 100644
index 0000000..9e26dfe
--- /dev/null
+++ b/Tasks/registration_task/.pytest_cache/v/cache/lastfailed
@@ -0,0 +1 @@
+{}
\ No newline at end of file
diff --git a/Tasks/registration_task/.pytest_cache/v/cache/nodeids b/Tasks/registration_task/.pytest_cache/v/cache/nodeids
new file mode 100644
index 0000000..2984d50
--- /dev/null
+++ b/Tasks/registration_task/.pytest_cache/v/cache/nodeids
@@ -0,0 +1,4 @@
+[
+  "test.py::test_code[ip0-12]",
+  "test.py::test_code[ip1-13]"
+]
\ No newline at end of file
diff --git a/Tasks/registration_task/__pycache__/main.cpython-36.pyc b/Tasks/registration_task/__pycache__/main.cpython-36.pyc
new file mode 100644
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diff --git a/Tasks/registration_task/main.py b/Tasks/registration_task/main.py
index b79be69..2fbd3f7 100644
--- a/Tasks/registration_task/main.py
+++ b/Tasks/registration_task/main.py
@@ -5,17 +5,40 @@
 y = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
 """
 
-import numpy
+import numpy as np
 
 class LinearRegression(object):
-  """
-  An implementation of linear regression model
-  """
-  
-  def fit(_input, _output):
-    pass
-    
-  def predict(_input):
-    pass
-    
-    
+    def __init__(self, mx=None, my=None, b_0=None, b_1=None):
+        self.mx=mx
+        self.my=my
+        self.b_0=b_0
+        self.b_1=b_1
+    def fit(self,_input, _output):
+        n=np.size(_output)
+        self.mx=np.mean(_input)
+        self.my=np.mean(_output)
+        sum1,sum2=0,0
+        for i in range(n):
+            sum1+=_input[i][0]*_output[i]
+            sum2+=_input[i][0]*_input[i][0]
+        SS_xy =sum1-n*self.my*self.mx 
+        SS_xx =sum2-n*self.mx*self.mx
+        self.b_1 = SS_xy / SS_xx 
+        self.b_0 = self.my - self.b_1*self.mx
+        print(self.b_0)
+        print(self.b_1)
+        print(self.my)
+        print(self.mx)
+        print(SS_xx)
+        print(SS_xy)
+        print(sum1)
+        print(sum2)
+      
+      
+    def predict(self,_input):
+        n=np.size(_input)
+        _output=[]
+        for i in range(n):
+            a=self.b_0+(self.b_1*_input[i][0])
+            _output.append(a)
+        return _output

From 6eefd4434d54f293b86826a048a5a8893614dc18 Mon Sep 17 00:00:00 2001
From: abhinavk001 <62065710+abhinavk001@users.noreply.github.com>
Date: Mon, 8 Jun 2020 17:50:28 +0530
Subject: [PATCH 2/2] Tensor Multiplication

---
 Tasks/day2.py | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 Tasks/day2.py

diff --git a/Tasks/day2.py b/Tasks/day2.py
new file mode 100644
index 0000000..9241633
--- /dev/null
+++ b/Tasks/day2.py
@@ -0,0 +1,10 @@
+import numpy as np
+import torch
+
+a=np.random.rand(5,3)
+b=np.random.rand(3,4)
+a2=torch.from_numpy(a)
+b2=torch.from_numpy(b)
+
+c=torch.mm(a2,b2)
+print(c)