With this coding find the Max Roughness, Root-Mean-Square, and Arithmetic Mean using the values from the Surface.txt: -4.1 -2.2 -0.5 1.2 3.3 4.6 5.1 2.1 0.2 -3.6 -4.1 0.2 0.5 2.2 4.1 -0.2 -1.2 -3.3 -4.6 -5.0 -2.2 -1.1 0.8 3.2 -0.1 -4.8 Coding: import numpy as np import math as mt #declare variables roughness=np.zeros(50,dtype=float) #50 dimension array min=0.0 max=0.0 sum=0.0 sqSum=0.0 Ra=0.0 Rq=0.0 maxRoughness=0.0 i=0 #check if input file exists or not try : #open Surface.txt file in 'read' mode inFile=open("Surface.txt","r") except FileNotFoundError: print("\n\t Error in opening the file... \n\n") else: #read the first value from file roughness[i]=float(inFile.readline()) #initialise min and max values min=max=roughness[i] #initialise sum sum+=roughness[i] #initialise sqSum sqSum+=roughness[i]*roughness[i] #loop till end of file while i<49 : i+=1 #read value from file; one at a time roughness[i]=float(inFile.readline()) #check value is less than min or not if roughness[i]max : max=roughness[i] #calculate cumulative sum sum+=roughness[i] #calculate cumulative sum square if the value sqSum+=roughness[i]*roughness[i] #close inFile inFile.close() #increment i as it started from 0 i+=1 #calculate value of Ra Ra = abs(sum)/i #calculate value of Rq Rq = mt.sqrt(sqSum/i) #calculate value of Maximum roughness maxRoughness = max-min #open Indicators.txt file in append mode outFile=open("Indicators.txt","a") #write message to output file outFile.write("Input data (measures of the roughness of the surface of an object): \n\n") #for formatting outFile.write("\t") #loop to write 6 values per line for x in range(i) : outFile.write(str(roughness[x])+" ") #insert new line after 6 values if (x+1)%6==0 : outFile.write("\n\t") #for formatting outFile.write("\n\n\n") #write the 3 surface roughness indicators to file outFile.write("Arithmetic mean value (Ra) :"+str(Ra)+"\n") outFile.write("Root-mean square average (Rq) :"+str(Rq)+"\n") outFile.write("Maximum roughness height :"+str(maxRoughness)+"\n") outFile.close() #print message print("Calculations completed and the results are stored in Indicators.txt \n")

With this coding find the Max Roughness, Root-Mean-Square, and Arithmetic Mean using the values from the Surface.txt: -4.1 -2.2 -0.5 1.2 3.3 4.6 5.1 2.1 0.2 -3.6 -4.1 0.2 0.5 2.2 4.1 -0.2 -1.2 -3.3 -4.6 -5.0 -2.2 -1.1 0.8 3.2 -0.1 -4.8 Coding: import numpy as np import math as mt #declare variables roughness=np.zeros(50,dtype=float) #50 dimension array min=0.0 max=0.0 sum=0.0 sqSum=0.0 Ra=0.0 Rq=0.0 maxRoughness=0.0 i=0 #check if input file exists or not try : #open Surface.txt file in 'read' mode inFile=open("Surface.txt","r") except FileNotFoundError: print("\n\t Error in opening the file... \n\n") else: #read the first value from file roughness[i]=float(inFile.readline()) #initialise min and max values min=max=roughness[i] #initialise sum sum+=roughness[i] #initialise sqSum sqSum+=roughness[i]roughness[i] #loop till end of file while i<49 : i+=1 #read value from file; one at a time roughness[i]=float(inFile.readline()) #check value is less than min or not if roughness[i]max : max=roughness[i] #calculate cumulative sum sum+=roughness[i] #calculate cumulative sum square if the value sqSum+=roughness[i]roughness[i] #close inFile inFile.close() #increment i as it started from 0 i+=1 #calculate value of Ra Ra = abs(sum)/i #calculate value of Rq Rq = mt.sqrt(sqSum/i) #calculate value of Maximum roughness maxRoughness = max-min #open Indicators.txt file in append mode outFile=open("Indicators.txt","a") #write message to output file outFile.write("Input data (measures of the roughness of the surface of an object): \n\n") #for formatting outFile.write("\t") #loop to write 6 values per line for x in range(i) : outFile.write(str(roughness[x])+" ") #insert new line after 6 values if (x+1)%6==0 : outFile.write("\n\t") #for formatting outFile.write("\n\n\n") #write the 3 surface roughness indicators to file outFile.write("Arithmetic mean value (Ra) :"+str(Ra)+"\n") outFile.write("Root-mean square average (Rq) :"+str(Rq)+"\n") outFile.write("Maximum roughness height :"+str(maxRoughness)+"\n") outFile.close() #print message print("Calculations completed and the results are stored in Indicators.txt \n")

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Related questions

Question

With this coding find the Max Roughness, Root-Mean-Square, and Arithmetic Mean using the values from the Surface.txt:

-4.1 -2.2 -0.5 1.2 3.3 4.6 5.1 2.1 0.2 -3.6 -4.1 0.2 0.5 2.2 4.1 -0.2 -1.2 -3.3 -4.6 -5.0 -2.2 -1.1 0.8 3.2 -0.1 -4.8

Coding:

import numpy as np

import math as mt

#declare variables

roughness=np.zeros(50,dtype=float) #50 dimension array

min=0.0

max=0.0

sum=0.0

sqSum=0.0

Ra=0.0

Rq=0.0

maxRoughness=0.0

i=0

#check if input file exists or not

try :

#open Surface.txt file in 'read' mode

inFile=open("Surface.txt","r")

except FileNotFoundError:

print("\n\t Error in opening the file... \n\n")

else:

#read the first value from file

roughness[i]=float(inFile.readline())

#initialise min and max values

min=max=roughness[i]

#initialise sum

sum+=roughness[i]

#initialise sqSum

sqSum+=roughness[i]*roughness[i]

#loop till end of file

while i<49 :

i+=1

#read value from file; one at a time

roughness[i]=float(inFile.readline())

#check value is less than min or not

if roughness[i]<min :

min=roughness[i]

#check value is greater than max or not

if roughness[i]>max :

max=roughness[i]

#calculate cumulative sum

sum+=roughness[i]

#calculate cumulative sum square if the value

sqSum+=roughness[i]*roughness[i]

#close inFile

inFile.close()

#increment i as it started from 0

i+=1

#calculate value of Ra

Ra = abs(sum)/i

#calculate value of Rq

Rq = mt.sqrt(sqSum/i)

#calculate value of Maximum roughness

maxRoughness = max-min

#open Indicators.txt file in append mode

outFile=open("Indicators.txt","a")

#write message to output file

outFile.write("Input data (measures of the roughness of the surface of an object): \n\n")

#for formatting

outFile.write("\t")

#loop to write 6 values per line

for x in range(i) :

outFile.write(str(roughness[x])+" ")

#insert new line after 6 values

if (x+1)%6==0 :

outFile.write("\n\t")

#for formatting

outFile.write("\n\n\n")

#write the 3 surface roughness indicators to file

outFile.write("Arithmetic mean value (Ra) :"+str(Ra)+"\n")

outFile.write("Root-mean square average (Rq) :"+str(Rq)+"\n")

outFile.write("Maximum roughness height :"+str(maxRoughness)+"\n")

outFile.close()

#print message

print("Calculations completed and the results are stored in Indicators.txt \n")

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.