Code: //This program can evaluate a polynomial, solve for statistical algorithms //and do matrix operations. #include <stdio.h> #include <conio.h> #include <math.h> #include <stdlib.h> //Start Program main(){ int selection; //Variables for Polynomial Evaluation int n,w,x,y,z,QA; double poly[11],polysum; //Variables for Statistical Algorithms int SA,a,b,sum=0,data[10]; float mean; double calc,sd; //Variables for Matrix Operation int m1[3][3],i,j,k,m2[3][3],add[3][3],mult[3][3],r1,c1,r2,c2,MO; //Menu Selection Screen do{ system("cls"); printf("Menu Selection Screen\n\n"); printf("1 - Polynomial Evaluation\n"); printf("2 - Statistical Algorithms\n"); printf("3 - Matrix Operation\n"); printf("4 - Exit\n"); scanf("%d",&selection); switch(selection){ case 1://Polynomial Evaluation Screen do{ do{ system("cls"); printf("Polynomial Evaluation\n\n"); printf("Enter the Order of Polynomial (max. 10): "); scanf("%d",&n); if(n>10||n<1){ system("cls"); printf("Invalid input. Please try again!!!\n"); printf("Please press the spacebar to continue!!"); getche(); } }while(n>10||n<1); y=n; z=n; for(w=0;w<y+1;w++){ printf("Please enter the constant for X raised to the %dth: ",y--); scanf("%lf",&poly[w]); } printf("Please enter the constant for X raised to the 0th: "); scanf("%lf",&poly[10]); printf("Enter the value of X: "); scanf("%d",&x); for(w=0;w<n+1;w++){ polysum+=poly[w]*pow(x,n); n--; } polysum=polysum+poly[10]; printf("The evaluated value of the %dth Order Polynomial %lf\n", z, polysum); printf("Please press the spacebar to continue!!\n"); getche(); do{ system("cls"); printf("Do you want to repeat the computation?\n\n"); printf("1 - Yes\n"); printf("2 - No\n"); scanf("%d", &QA); switch(QA){ case 1: break; case 2: break; default: system("cls"); printf("Invalid input. Please try again!!!\n"); printf("Please press the spacebar to continue!!"); getche(); break; } }while(QA>2||QA<1); polysum=0; }while(QA==1); break; case 2://Statistical Algorithms Screen do{ system("cls"); printf("Statistical Algorithms\n\n"); printf("1 - Mean\n"); printf("2 - Standard Deviation\n"); printf("3 - Summation of data\n"); printf("4 - Go Back to Menu Selection Screen\n"); scanf("%d", &SA); switch(SA){ case 1: do{ system("cls"); printf("Mean\n\n"); printf("Enter the Number of Data (max. 10): "); scanf("%d", &b); if(b>10||b<1){ system("cls"); printf("Invalid input. Please try again!!!\n"); printf("Please press the spacebar to continue!!"); getche(); } }while(b>10||b<1); for(a=0;a<b;a++){ printf("Enter the Actual Values of Data %d: ", a+1); scanf("%d",&data[a]); } for(a=0;a<b;a++){ sum=sum+data[a]; } mean=(float)sum/a; printf("The Mean of the Data is %f\n",mean); printf("Please press the spacebar to continue!!"); sum=0; mean=0; getche(); break; case 2: do{ system("cls"); printf("Standard Deviation\n\n"); printf("Enter the Number of Data (max. 10): "); scanf("%d", &b); if(b>10||b<1){ system("cls"); printf("Invalid input. Please try again!!!\n"); printf("Please press the spacebar to continue!!\n"); getche(); } }while(b>10||b<1); for(a=0;a<b;a++){ printf("Enter the Actual Values of Data %d: ", a+1); scanf("%d",&data[a]); } for(a=0;a<b;a++){ sum=sum+data[a]; } mean=(float)sum/a; for(a=0;a<b;a++){ calc+=pow((data[a]-mean),2); } sd=sqrt(calc/b); printf("The Standard Deviation the Data is %lf\n",sd); printf("Please press the spacebar to continue!!"); sum=0; mean=0; getche(); break; case 3: do{ system("cls"); printf("Summation of Data\n\n"); printf("Enter the Number of Data (max. 10): "); scanf("%d", &b); if(b>10||b<1){ system("cls"); printf("Invalid input. Please try again!!!\n"); printf("Please press the spacebar to continue!!"); getche(); } }while(b>10||b<1); for(a=0;a<b;a++){ printf("Enter the Actual Values of Data %d: ", a+1); scanf("%d",&data[a]); } for(a=0;a<b;a++){ sum=sum+data[a]; } mean=(float)sum/a; printf("The Summation of the Data is %d\n",sum); printf("Please press the spacebar to continue!!"); sum=0; mean=0; getche(); break; case 4: break; default: system("cls"); printf("Invalid Input. Please try again!!!\n"); printf("Please press the spacebar to continue!!"); getche(); break; } }while(3>SA>1); case 3://Matrix Operation Screen system("cls"); printf("Matrix Operation\n\n"); printf("1 - Matrix Addition\n"); printf("2 - Matrix Multiplication\n"); printf("3 - Transpose of Matrix\n"); printf("4 - Go Back to Menu Selection Screen\n"); scanf("%d", &MO); switch(MO){ case 1: printf("Matrix Addition\n\n"); printf("Enter the number of rows of the first matrix (max 3): "); scanf("%d",&r1); printf("Enter the number of columns of the first matrix (max 3): "); scanf("%d",&c1); printf("Enter the number of rows of the second matrix (max 3): "); scanf("%d",&r2); printf("Enter the number of columns of the second matrix (max 3): "); scanf("%d",&c2); if(r2==c1){ printf("Enter rows and columns of First Matrix \n"); printf("Row wise\n\n"); for(i=0;i<r1;i++){ printf("Enter the elements for row %d: ", i+1); for(j=0;j<c1;j++) scanf("%d",&m1[i][j]); } printf("You have entered the First Matrix as follows:\n"); for(i=0;i<r1;i++){ for(j=0;j<c1;j++) printf("%d\t",m1[i][j]); printf("\n"); } printf("Enter rows and columns of Second Matrix \n"); printf("Again row wise\n"); for(i=0;i<r2;i++){ printf("Enter the elements for row %d: ", i+1); for(j=0;j<c2;j++) scanf("%d",&m2[i][j]); } printf("You have entered the Second Matrix as follows:\n"); for(i=0;i<r2;i++){ for(j=0;j<c2;j++) printf("%d\t",m2[i][j]); printf("\n"); } if(r1==r2&&c1==c2){ printf("Now we add both the above matrix \n"); printf("The result of the addition is as follows;\n"); for(i=0;i<r1;i++){ for(j=0;j<c1;j++){ add[i][j]=m1[i][j]+m2[i][j]; printf("%d\t",add[i][j]); } printf("\n"); } } else{ printf("Addition cannot be done as rows or columns are not equal\n"); } } getche(); break; case 2: printf("Matrix Multiplication\n\n"); printf("Enter the number of rows of the first matrix (max 3): "); scanf("%d",&r1); printf("Enter the number of columns of the first matrix (max 3): "); scanf("%d",&c1); printf("Enter the number of rows of the second matrix (max 3): "); scanf("%d",&r2); printf("Enter the number of columns of the second matrix (max 3): "); scanf("%d",&c2); if(r2==c1){ printf("Enter rows and columns of First Matrix \n"); printf("Row wise\n\n"); for(i=0;i<r1;i++){ printf("Enter the elements for row %d: ", i+1); for(j=0;j<c1;j++) scanf("%d",&m1[i][j]); } printf("You have entered the First Matrix as follows:\n"); for(i=0;i<r1;i++){ for(j=0;j<c1;j++) printf("%d\t",m1[i][j]); printf("\n"); } printf("Enter rows and columns of Second Matrix \n"); printf("Again row wise\n"); for(i=0;i<r2;i++){ printf("Enter the elements for row %d: ", i+1); for(j=0;j<c2;j++) scanf("%d",&m2[i][j]); } printf("You have entered the Second Matrix as follows:\n"); for(i=0;i<r2;i++){ for(j=0;j<c2;j++) printf("%d\t",m2[i][j]); printf("\n"); } printf("Now we multiply both the above matrix \n"); printf("The result of the multiplication is as follows:\n"); for(i=0;i<r1;i++){ for(j=0;j<c2;j++){ mult[i][j]=0; for(k=0;k<r1;k++){ mult[i][j]+=m1[i][k]*m2[k][j]; } printf("%d\t",mult[i][j]); } printf("\n"); } getche(); } else{ printf("Matrix multiplication cannot be done"); } break; case 3: break; case 4: break; default: system("cls"); printf("Invalid input. Please try again!!!\n"); printf("Please press the spacebar to continue!!"); getche(); break; } break; case 4://Exit return 0; break; default: system("cls"); printf("Invalid input. Please try again!!!\n"); printf("Please press the spacebar to continue!!"); getche(); break; } }while(selection>=5 || SA==4 || QA==2); getche(); }//End Program
I am using bloodshed dev c++..i already couple of errors but i am having problem with reseting my standard deviation... here is the updated version.. Code: //This program can evaluate a polynomial, solve for statistical algorithms //and do matrix operations. #include <stdio.h> #include <conio.h> #include <math.h> #include <stdlib.h> //Psalm 119:10-11 //10 I seek you with all my heart; //do not let me stray from your commands. //11 I have hidden your word in my heart //that I might not sin against you. //Start Program main(){ int selection; //Variables for Statistical Algorithms int SA,a,b,sum=0,data[10]; float mean; double calc,sd; //Variables for Matrix Operation int m1[3][3]={},i,j,k,m2[3][3]={},add[3][3]={},mult[3][3]={},r1,c1,r2,c2,MO; //Menu Selection Screen do{ system("cls"); printf("Menu Selection Screen\n\n"); printf("1 - Polynomial Evaluation\n"); printf("2 - Statistical Algorithms\n"); printf("3 - Matrix Operation\n"); printf("4 - Exit\n"); scanf("%d",&selection); switch(selection){ case 1: break; case 2: do{ sum=0; mean=0; sd=0; system("cls"); printf("Statistical Algorithms\n\n"); printf("1 - Mean\n"); printf("2 - Standard Deviation\n"); printf("3 - Summation of data\n"); printf("4 - Go Back to Menu Selection Screen\n"); scanf("%d", &SA); switch(SA){ case 1: do{ system("cls"); printf("Mean\n\n"); printf("Enter the Number of Data (max. 10): "); scanf("%d", &b); if(b>10||b<1){ system("cls"); printf("Invalid input. Please try again!!!\n"); printf("Please press the spacebar to continue!!"); getche(); } }while(b>10||b<1); for(a=0;a<b;a++){ printf("Enter the Actual Values of Data %d: ", a+1); scanf("%d",&data[a]); } for(a=0;a<b;a++){ sum=sum+data[a]; } mean=(float)sum/a; printf("The Mean of the Data is %f\n",mean); printf("Please press the spacebar to continue!!"); getche(); break; case 2: do{ system("cls"); printf("Standard Deviation\n\n"); printf("Enter the Number of Data (max. 10): "); scanf("%d", &b); if(b>10||b<1){ system("cls"); printf("Invalid input. Please try again!!!\n"); printf("Please press the spacebar to continue!!\n"); getche(); } }while(b>10||b<1); for(a=0;a<b;a++){ printf("Enter the Actual Values of Data %d: ", a+1); scanf("%d",&data[a]); } for(a=0;a<b;a++){ sum=sum+data[a]; } mean=(float)sum/a; for(a=0;a<b;a++){ calc+=pow((data[a]-mean),2); } sd=sqrt(calc/b); printf("The Standard Deviation the Data is %lf\n",sd); printf("Please press the spacebar to continue!!"); getche(); break; case 3: do{ system("cls"); printf("Summation of Data\n\n"); printf("Enter the Number of Data (max. 10): "); scanf("%d", &b); if(b>10||b<1){ system("cls"); printf("Invalid input. Please try again!!!\n"); printf("Please press the spacebar to continue!!"); getche(); } }while(b>10||b<1); for(a=0;a<b;a++){ printf("Enter the Actual Values of Data %d: ", a+1); scanf("%d",&data[a]); } for(a=0;a<b;a++){ sum=sum+data[a]; } mean=(float)sum/a; printf("The Summation of the Data is %d\n",sum); printf("Please press the spacebar to continue!!"); getche(); break; case 4: main(); break; default: system("cls"); printf("Invalid Input. Please try again!!!\n"); printf("Please press the spacebar to continue!!"); getche(); break; } }while(SA!=4); break; case 3: do{ system("cls"); printf("Matrix Operation\n\n"); printf("1 - Matrix Addition\n"); printf("2 - Matrix Multiplication\n"); printf("3 - Transpose of Matrix\n"); printf("4 - Go Back to Menu Selection Screen\n"); scanf("%d", &MO); switch(MO){ case 1: system("cls"); printf("Matrix Addition\n\n"); printf("Enter the number of rows of the first matrix (max 3): "); scanf("%d",&r1); printf("Enter the number of columns of the first matrix (max 3): "); scanf("%d",&c1); printf("Enter the number of rows of the second matrix (max 3): "); scanf("%d",&r2); printf("Enter the number of columns of the second matrix (max 3): "); scanf("%d",&c2); if(r2==c1){ printf("Enter rows and columns of First Matrix \n"); printf("Row wise\n\n"); for(i=0;i<r1;i++){ printf("Enter the elements for row %d: ", i+1); for(j=0;j<c1;j++) scanf("%d",&m1[i][j]); } printf("You have entered the First Matrix as follows:\n"); for(i=0;i<r1;i++){ for(j=0;j<c1;j++) printf("%d\t",m1[i][j]); printf("\n"); } printf("Enter rows and columns of Second Matrix \n"); printf("Again row wise\n"); for(i=0;i<r2;i++){ printf("Enter the elements for row %d: ", i+1); for(j=0;j<c2;j++) scanf("%d",&m2[i][j]); } printf("You have entered the Second Matrix as follows:\n"); for(i=0;i<r2;i++){ for(j=0;j<c2;j++) printf("%d\t",m2[i][j]); printf("\n"); } if(r1==r2&&c1==c2){ printf("Now we add both the above matrix \n"); printf("The result of the addition is as follows;\n"); for(i=0;i<r1;i++){ for(j=0;j<c1;j++){ add[i][j]=m1[i][j]+m2[i][j]; printf("%d\t",add[i][j]); } printf("\n"); } } else{ printf("Addition cannot be done as rows or columns are not equal\n"); } } printf("Please press the spacebar to continue!!"); getche(); break; case 2: system("cls"); printf("Matrix Multiplication\n\n"); printf("Enter the number of rows of the first matrix (max 3): "); scanf("%d",&r1); printf("Enter the number of columns of the first matrix (max 3): "); scanf("%d",&c1); printf("Enter the number of rows of the second matrix (max 3): "); scanf("%d",&r2); printf("Enter the number of columns of the second matrix (max 3): "); scanf("%d",&c2); if(r2==c1){ printf("Enter rows and columns of First Matrix \n"); printf("Row wise\n\n"); for(i=0;i<r1;i++){ printf("Enter the elements for row %d: ", i+1); for(j=0;j<c1;j++) scanf("%d",&m1[i][j]); } printf("You have entered the First Matrix as follows:\n"); for(i=0;i<r1;i++){ for(j=0;j<c1;j++) printf("%d\t",m1[i][j]); printf("\n"); } printf("Enter rows and columns of Second Matrix \n"); printf("Again row wise\n"); for(i=0;i<r2;i++){ printf("Enter the elements for row %d: ", i+1); for(j=0;j<c2;j++) scanf("%d",&m2[i][j]); } printf("You have entered the Second Matrix as follows:\n"); for(i=0;i<r2;i++){ for(j=0;j<c2;j++) printf("%d\t",m2[i][j]); printf("\n"); } printf("Now we multiply both the above matrix \n"); printf("The result of the multiplication is as follows:\n"); for(i=0;i<r1;i++){ for(j=0;j<c2;j++){ mult[i][j]=0; for(k=0;k<r1;k++){ mult[i][j]+=m1[i][k]*m2[k][j]; } printf("%d\t",mult[i][j]); } printf("\n"); } } else{ printf("Matrix multiplication cannot be done"); } printf("Please press the spacebar to continue!!"); getche(); break; case 3: system("cls"); printf("Transpose of Matrix\n\n"); printf("Enter the number of rows of the matrix (max 3): "); scanf("%d",&r1); printf("Enter the number of columns of the matrix (max 3): "); scanf("%d",&c1); printf("Enter rows and columns of Matrix \n"); printf("Row wise\n\n"); for(i=0;i<r1;i++){ for(j=0;j<c1;j++){ scanf("%d",&m1[i][j]); m2[j][i]=m1[i][j]; } } printf("You have entered the First Matrix as follows:\n"); for(i=0;i<r1;i++){ for(j=0;j<c1;j++) printf("%d\t",m1[i][j]); printf("\n"); } printf("Transpose of Matrix is:\n"); for(i=0;i<c1;i++){ for(j=0;j<r1;j++) printf("%d\t",m2[i][j]); printf("\n"); } printf("Please press the spacebar to continue!!"); getche(); break; case 4: main(); break; default: system("cls"); printf("Invalid input. Please try again!!!\n"); printf("Please press the spacebar to continue!!"); getche(); break; } }while(MO!=4); break; case 4: return 0; break; default: system("cls"); printf("Invalid input. Please try again!!!\n"); printf("Please press the spacebar to continue!!"); getche(); break; } }while(selection>4 || selection<=0); }
btw kiddo if also you have time can you also dubug my polynomial program..only if you can Code: #include <stdio.h> #include <conio.h> #include <math.h> #include <stdlib.h> main(){ double poly[11]={}; double polysum; int w, v, x, y, n, z,QA; do{ do{ system("cls"); printf("Polynomial Evaluation\n\n"); printf("Enter the Order of Polynomial (max. 10): "); scanf("%d",&n); if(n>10||n<1){ system("cls"); printf("Invalid input. Please try again!!!\n"); printf("Please press the spacebar to continue!!"); getche(); } }while(n>10||n<1); y=n+1; z=n; v=n; while(y!=0){ printf("Please enter the constant for X raised to the %dth: ", z); scanf("%lf",&poly[z]); y--; z--; } printf("Enter the value of X: "); scanf("%d",&x); for(w=0;w<n+1;w++){ polysum+=poly[w]*pow(x,n); n--; } polysum=polysum+poly[0]; printf("The evaluated value of the %dth Order Polynomial %lf\n", v, polysum); printf("Please press the spacebar to continue!!\n"); getche(); do{ system("cls"); printf("Do you want to repeat the computation?\n\n"); printf("1 - Yes\n"); printf("2 - No\n"); scanf("%d", &QA); switch(QA){ case 1: break; case 2: break; default: system("cls"); printf("Invalid input. Please try again!!!\n"); printf("Please press the spacebar to continue!!"); getche(); break; } }while(QA>2||QA<1); polysum=0; }while(QA==1); }
