Summary - Scientific computation with Python (MAS2806)

, Functions :

1) abs() Return the absolute value of a number


len() Return
2) the
length of an object
.



3) max() Find the value in a list or similar
largest object .




4) min() Find the smallest value in a list or similar object.
5) print( Print the value of an
object.
6) round (X , n) Round a number X +on decimal places

7) Sum)) Sum the values in a list or similar.

Data
type
:




*
Integer - int)

float)) decimal
*
Floating point number numbers
>




List< list) element
*
eg
2, 4
,
6 ordered collection of items.
XLy : 2 from
ay
element to a z-c



* Boolean - bool)) is an
object that is either true or false.

*
String < str(l sequences of characters




Range :

>
-
H

1) (start stopl (2 10)
range ,
eg range ,
2-9

step) /2 10 2)
2)
range(start
2 4 6 8
stop
eg rang
, ,
.
, , , ,




Numpy :




import asnp
numpy .




for functions
trigonometric
in
Python you need numpy
·




np .
cos(np pi) . .




·
up. array > to convert an
existing list to an
array x[ Secondroustorsecond column


93)
egX np array (23 6
= .


, ,




print (x(3) + [1 ,
2 ,
3)

numbers
arrange sequences of
·
up .




Control flow and functions :

· for loop : repeat commands a number of times


if run commands
only if a condition is satisfied
· :




· while : run commands
only while a condition is satisfied

· def : creating a new function