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FIC MATLAB 2019-1/Aula-15 - Histórico de revisão
2024-03-29T12:15:25Z
Histórico de revisões para esta página neste wiki
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Diegomedeiros: Criou página com '; Aula em forma de relatório <syntaxhighlight lang=matlab class="mw-collapsible"> format compact clc 1/3 pi factorial(52) sym('factorial(52)') who whos 1/3 whos ...'
2019-05-08T00:51:58Z
<p>Criou página com '; <a href="/images/f/f8/MATLAB-simbolico.pdf" class="internal" title="MATLAB-simbolico.pdf">Aula em forma de relatório</a> <syntaxhighlight lang=matlab class="mw-collapsible"> format compact clc 1/3 pi factorial(52) sym('factorial(52)') who whos 1/3 whos ...'</p>
<p><b>Página nova</b></p><div>; [[Media:MATLAB-simbolico.pdf|Aula em forma de relatório]]<br />
<br />
<syntaxhighlight lang=matlab class="mw-collapsible"><br />
format compact<br />
clc<br />
1/3<br />
pi<br />
factorial(52)<br />
sym('factorial(52)')<br />
who<br />
whos<br />
1/3<br />
whos<br />
sym('factorial(52) + 1')<br />
sym('factorial(52)') + 1<br />
sym('factorial(100)')<br />
sym('factorial(200)')<br />
whos<br />
pi<br />
sym('pi')<br />
2 * sym('pi')<br />
2^100<br />
format long<br />
2^100<br />
format bank<br />
2^100<br />
sym('2^100')<br />
2^1000<br />
factorial(52)<br />
format long eng<br />
factorial(52)<br />
format bank<br />
factorial(52)<br />
sym('factorial(52)')<br />
expr1 = sym('x^2 + sin(x)')<br />
expr1 * 2<br />
expr2 = sym('a*x + b')<br />
whos<br />
expr1 / expr2<br />
expr3 = expr1 / expr2<br />
pretty(expr3)<br />
latex(expr3)<br />
syms x y z<br />
x^2 + y<br />
edit<br />
expr4 = x^2 == sqrt(z)<br />
whos<br />
x = sym('x')<br />
y = sym('y')<br />
z = sym('z')<br />
syms a b<br />
expr5 = a^2 < sin(y)<br />
expr2<br />
subs(expr2, b, 17)<br />
subs(expr2, b, a*z^2)<br />
subs(expr2, {a, b}, {z, 17})<br />
clear<br />
syms x y z a b<br />
expr1 = x*(x+1)<br />
expr2 = expand(expr1)<br />
factor(expr20<br />
factor(expr2)<br />
whos ans<br />
prod(factor(expr2))<br />
expr3 = sin(x)^2 + cos(x)^2<br />
simplify(expr3)<br />
doc simplify<br />
expr5 = (x^2 + x)/(2*x)<br />
pretty(expr5)<br />
simplify(expr5)<br />
simplify(expr5, 'Steps', 10)<br />
simplify(expr5, 'Steps', 20)<br />
simplify(expr5, 'Steps', 2)<br />
whos<br />
syms c<br />
eq2grau = a*x^2 + b*c + c<br />
eq2grau = a*x^2 + b*x + c<br />
solve(eq2grau, x)<br />
pretty(ans)<br />
sin(0)/0<br />
sin(0.00001)/0.00001<br />
limit(sin(x)/x, x, 0)<br />
(1 + 1/100)^100<br />
(1 + 1/1000)^1000<br />
limit((1 + 1/x)^x, x, inf)<br />
limit(ln(x), x, 0)<br />
limit(log(x), x, 0)<br />
L = limit((1 + 1/x)^x, x, inf)<br />
whos L<br />
L = limit(sin(x)/x, x, 0)<br />
whos L<br />
diff(a*x^2 + sin(x), x)<br />
diff(a*x^2 + sin(x), x, 2)<br />
diff(a*x^2 + sin(x), x, 3)<br />
diff(a*x^2 + sin(x), x, 103)<br />
diff(a*x^2 + sin(x), x)<br />
diff(a*x^2 + sin(x), a)<br />
pretty(diff(a*x^2 + sin(x), x))<br />
pretty(diff(a*x^2 + sin(x), x, 0))<br />
int(x^3, x)<br />
int(x^13, x)<br />
int(x^-10, x)<br />
int(x^-1, x)<br />
int(x^a, x)<br />
pretty(ans)<br />
doc int<br />
int(x^2, x, 1, f)<br />
int(x^2, x, 1, b)<br />
assume(a > 0)<br />
assumptions(a)<br />
int(x^a, x)<br />
assume(a)<br />
assumptions(a)<br />
doc assume<br />
assume(a, 'clear')<br />
assumptions(a)<br />
int(x^a, x)<br />
assume(a>0)<br />
assumptions(a)<br />
clear a<br />
a<br />
syms a<br />
a<br />
assumptions(a)<br />
assume(a>0)<br />
assume(a>1)<br />
assumptions(a)<br />
assume(a<1 & a>0)<br />
assumptions(a)<br />
assume(a, 'clear')<br />
assumptions(a)<br />
syms n<br />
assume(n, 'integer')<br />
cos(2*pi*n)<br />
simplify(cos(2*pi*n))<br />
simplify(cos(2*pi*x))<br />
expr = x^2 / (x^3 - 3 * x + 2)<br />
partfrac(expr, x)<br />
pretty(ans)<br />
syms r<br />
symsum(r^n, n, 0, inf)<br />
pretty(ans)<br />
taylor(exp(x), x, 'Order', 5)<br />
taylor(exp(x), x, 'Order', 10)<br />
taylor(exp(x), x, 'Order', 20)<br />
lookfor ode<br />
lookfor differential<br />
syms a x(t)<br />
dsolve(diff(x) == -a*x)<br />
whos<br />
pi<br />
whos<br />
expr = symprod(x+n, n, 0, 1000)<br />
whos<br />
syms x<br />
expr = symprod(x+n, n, 0, 1000)<br />
whos<br />
edit sym<br />
clc<br />
clear<br />
A = [3 0 -1 0; 8 0 0 -2; 0 2 -2 -1;1 1 1 1]<br />
A = [3 0 -1 0; 8 0 0 -2; 0 2 -2 -1; 1 1 1 1]<br />
format<br />
A = [3 0 -1 0; 8 0 0 -2; 0 2 -2 -1; 1 1 1 1]<br />
format compact<br />
b = [0; 0 0; 1]<br />
b = [0; 0; 0; 1]<br />
v = A \ b<br />
format rat<br />
v<br />
</syntaxhighlight></div>
Diegomedeiros