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Recent content by b_lackshadow

  1. B

    What's the integral of (e^x2) ?

    integration Use Matlab and type syms y x y = int(exp(x^2)) u'll get -1/2*i*pi^(1/2)*erf(i*x) wich erf is the error function, .. Hope it Works, ..
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    Need Matlab code for matrix normalization

    matrix normalization Im not sure about this solution, but lets get it try N = 20; M = 20; x = rand(N,M); sigmoidX = 1./(1+exp(-x)); U'll see the different, ..but if need to normalize again the data tobe maximum 1, ..then compress the data use sigmoidX = 1./(1+exp(-x)); sigmoidX_norm =...
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    How to solve it using MATLAB ..

    Im not sure about the equation, but you can do the Symbolic, a few example syms H w s n tmp = (1+0.25*1e-3*n*s); sigma = symsum(tmp,n,0,39); H = w/(s^2+w^2)*sigma; H_simple1 = simple(H); H_simple1 H_simple2 = simplify(H); H_simple2 you can use one of simple or simplify, wich one best for the...
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    Plotting 3D graphs in Matlab

    @tohsauchon: What the meaning of Dynamic Function??, please explain the full detail, Hehehe.. I ussually use the symbolic variable for plotting function, cuz it run smoother, .. syms x y z z = x^2+16*x*y^3 + 64*y^6 + 2*(x-2*x*y-4)^4; ezmesh(z) you can also use the ezsurf(z), ..
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