np.arange and np.linspace difference

ByAnurag batra September 26, 2022September 6, 2022

# np.arrange allows you to define the stepsize 

>>> np.arange(0,1,0.1) #--> 0.1  is the stepsize or interval 
array([0. , 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9])

# np.linspace allows you to define how many values you get including the specified min and max value

>>> np.linspace(0,1,11) #--> 11  no of values you need
array([0. , 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1. ])

Here is what the above code is Doing:
1. We are creating a numpy array of values from 0 to 1 with a stepsize of 0.1.
2. We are creating a numpy array of values from 0 to 1 with 11 values including 0 and 1.

Python Examples

python flip a coin

ByAnurag batra June 13, 2022May 20, 2022

import random result = random.choice([“Heads”,”Tails”]) Here is what the above code is Doing: 1. We’re using the random module, which we imported at the top of the file. 2. We’re using the random.choice() function, which takes a list as an argument. 3. We’re passing a list of two strings, “Heads” and “Tails”, to the random.choice()…

Python Examples

seaborn angle lable

ByAnurag batra September 29, 2022September 6, 2022

chart = data[data[‘Year’] == 1980][‘Sport’].value_counts().plot(kind=’bar’) chart.set_xticklabels(chart.get_xticklabels(), rotation=45, horizontalalignment=’right’) Here is what the above code is Doing: 1. We’re selecting the data for the year 1980. 2. We’re counting the number of medals for each sport. 3. We’re plotting a bar chart. 4. We’re rotating the x-axis labels by 45 degrees.

Python Examples

python copy formula ghseets

ByAnurag batra September 23, 2022September 6, 2022

# Get the formula value from the souce cell: formula = wks.acell(‘A2′, value_render_option=’FORMULA’).value # Update the target cell with formula: wks.update_acell(‘B3’, formula) Here is what the above code is Doing: 1. Get the formula value from the source cell. 2. Update the target cell with the formula.

Python Examples

leap year algorithm

ByAnurag batra May 31, 2022May 20, 2022

def isLeapYear (year): if ((year % 4 == 0) and (year % 100 != 0)) or (year % 400 == 0): true else: false Here is what the above code is Doing: 1. It’s defining a function called isLeapYear. 2. It’s taking one parameter, which is the year. 3. It’s checking if the year is…

Python Examples

numpy method to make polynomial model

ByAnurag batra October 15, 2022September 6, 2022

import numpy as np import matplotlib.pyplot as plt x = [1,2,3,5,6,7,8,9,10,12,13,14,15,16,18,19,21,22] y = [100,90,80,60,60,55,60,65,70,70,75,76,78,79,90,99,99,100] #a method that lets us make a polynomial model: model = np.poly1d(np.polyfit(x,y,3)) #Then specify how the line will display, we start #at position 1, and end at position 22 line = np.linspace(1, 22, 100) plt.scatter(x, y) plt.plot(line, model(line)) plt.show() Here is…

Python Examples

how to update list in python

ByAnurag batra June 9, 2022May 20, 2022

simple_list = [1,2,3,4] # append an element simple_list.append(5) # now simple_list is [1,2,3,4,5] # append all the elements of another list (NO NESTING) second_list = [6,7,8] simple_list.extend(second_list) # now simple_list is [1,2,3,4,5,6,7,8] # replace an element by simply giving the index and the new element simple_list[0] = 100 # now simple_list is [100,2,3,4,5,6,7,8] Here is…

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