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How to create three symbolic variables a, b and c ?
Let, var = sym(pi). Which one is not correct ?
simplify(sin(x)^2+cos(x)^2) = ?
Let, f1 = 2*x + y^2; f2 = f1 + 3;
subs(f1,[x,y],[1,1]) = ?
Let, f(a,b) = sec(a+b)^2 – tan(a+b)^2; f(rand(1,1),rand(1,1))?
Look at the grading system function
f(x) = piecewise(40<x<60, 2, 60<x<80, 3, 80<x, 4, 0)
subs(f,x,33) = ?
syms x a b c
eq = a*x^2 + b*x +c == 0
solve(eq,x,’Real’,true,’ReturnConditions’,true) will return –
Which function is used to plot equation ?
Which equation solving with ‘solve’ function will generate parameters?
What is true when solving numerically (x-3)(x-4)(x-8) = 0 ?
Which one is not true about linprog function?
How can you solve non linear optimization problem?