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>> -cos(pi)+cos(0)
ans =
2
>> pi/100
ans =
0.0314
>> (pi/100)^2
ans =
9.8696e-004
>> a=0;b=pi;
>> h=pi/100;
>> x=a:h:pi;
>> whosName Size Bytes Class
a 1x1 8 double array
ans 1x1 8 double array
b 1x18 double array
h 1x1 8 double array
x 1x101 808 double array
Grand total is 105 elements using 840 bytes
>> x(1)
ans =0
>> x(2)
ans =
0.0314
>> x(101)
ans =
3.1416
>> whos
Name Size Bytes Class
a 1x1 8 double arrayans 1x1 8 double array
b 1x1 8 double array
h 1x1 8 double array
x 1x101808 double array
Grand total is 105 elements using 840 bytes
>> f=sin(x);
>> whos
Name Size Bytes Class
a 1x1 8double array
ans 1x1 8 double array
b 1x1 8 double array
f 1x101 808 double array
h 1x18 double array
x 1x101 808 double array

Grand total is 206 elements using 1648 bytes

>> Itrap=h/2*(f(1)+f(101)+2*sum(f(2:100))
???Itrap=h/2*(f(1)+f(101)+2*sum(f(2:100))
|
Error: Incomplete or misformed expression or statement.
>> Itrap=h/2*(f(1)+f(101)+2*sum(f(2:100)))
Itrap =1.9998
>> format long
>> Itrap
Itrap =
1.99983550388744
>> 2-Itrap
ans =
1.644961125564226e-004
>> h
h =
0.03141592653590
>> h^2
ans =...