matlabnya ida
DESCRIPTION
contoh tugas matlab informatikaTRANSCRIPT
Nama :HidayatulJum’ah
Nim: D42114317
Soal 1y=x.^5+2*x.^4-5*x.^3+12*x.^2-10*x+6;
>>syms x
>> y=x.^5+2*x.^4-5*x.^3+12*x.^2-10*x+6;
>>diff(y)
ans =
5*x^4 + 8*x^3 - 15*x^2 + 24*x - 10
>> x=-100:4:100;
>> y=x.^5+2*x.^4-5*x.^3+12*x.^2-10*x+6;
>> z=5*(x.^4)+8*(x.^3)-15*x.^2+24*x-10;
>>plot(x,y,'g+:', x,z, 'b+:')
>>plot(x,y,'g+:', x,z, 'b+:'),grid on
2.2. f (x) = e−3x + e4x + x
>> syms x
>> y=exp(-3*x)+exp(4*x)+x;
>> diff(y)
ans =
4*exp(4*x) - 3*exp(-3*x) + 1
>> x=-1000:1:1000;
>> y=exp(-3*x)+exp(4*x)+x;
>> z=4*exp(4*x) - 3*exp(-3*x) + 1;
>> plot(x,y,'g:', x,z, 'b:'),grid on
3. .f (x) = e−2xsin10x
>>syms x
>> y=exp(-2*x).*(sin(10*x));
>>diff(y)
ans =
10*cos(10*x)*exp(-2*x) - 2*sin(10*x)*exp(-2*x)
>> x=-500:4:500;
>> y=exp(-2*x).*(sin(10*x));
>> z=10*cos(10*x)*exp(-2*x) - 2*sin(10*x)*exp(-2*x);
Error using *
Inner matrix dimensions must agree.
>> z=10.*cos(10*x).*exp(-2*x) - 2.*sin(10*x).*exp(-2*x);
>>plot(x,y,'g:', x,z, 'b:'),grid on
>>plot(x,y,'g:', x,z, 'b:'),grid on
4.
>>syms x
>> y=x.^(-2).*(cos(5*x));
>>diff(y)
ans =
- (2*cos(5*x))/x^3 - (5*sin(5*x))/x^2
>> x=-200:4:200;
>> y=x.^(-2).*(cos(5*x));
z=- (2.*cos(5*x))/x.^3 - (5.*sin(5*x))/x.^2;
>>plot(x,y,'g+:', x,z, 'b+:'),grid on
5. y=(sin(3*x))./x.^(2);
>>syms x
>> y=(sin(3*x))./x.^(2);
>>diff(y)
ans =
(3*cos(3*x))/x^2 - (2*sin(3*x))/x^3
>> x=-200:4:200;
>> y=(sin(3*x))./x.^(2);
>> z=(3*cos(3*x))/x^2 - (2*sin(3*x))/x^3;
Error using ^
Inputs must be a scalar and a square matrix.
To compute elementwise POWER, use POWER (.^) instead.
>> z=(3.*cos(3*x))/x.^2 - (2.*sin(3*x))/x.^3;
>>plot(x,y,'g+:', x,z, 'b+:'),grid on
>>
