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elham kreem


Con actividad desde 2018

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Estadística

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what are the steps of this result?
in matlab , if i enter this equation : integral(exp(-t^2) , 0,x) , there is no obvious result, the result is erf(x)=(2/sqrt(...

más de 6 años hace | 0 respuestas | 0

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how can i integrate exponential function ?
i have this function : syms y1 ; syms y2 ; syms b1x ; syms b2x; syms s11;syms s22 ; syms s12 ; syms k ;syms t; q = s11*(b1x ...

casi 7 años hace | 1 respuesta | 0

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help me please to write matlab code for the mathematical function attached in the pdf file ?
at the first , i put some values to run the equation ; the second , i run a part from this equation , because the part of the s...

casi 7 años hace | 0

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How do I rearrange this transfer function to be in negative powers of z using matlab?
try to split solution ; like z1=solve(eqn,a0) z2=solve(eqn,a1) .... and so on

casi 7 años hace | 0

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how can i write t truncated distribution as a likelihood?
i have this function f(x)= [(gamma((v+1)/2))/(gamma(v/2)(2π).^(1/2)* σ] *(1+((x-μ)^2)/(v*σ^2 ))).^(-(v+1)/2)*(1/ (F(b)-F...

casi 7 años hace | 1 respuesta | 0

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how can I write a function y(n) in terms of function x(n)?
if you run x , it is a vector 1x21 , then when you used for y(n) , you will get for x a subscript more than 21 ,such as if y...

casi 7 años hace | 0

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how to integral2?
how can i integral a function which was written in matlab but there is wrong , i dont no where it is : syms tau syms y ...

casi 7 años hace | 1 respuesta | 0

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how can i integrate this function ?
Hello everybody , i have the bellow function , i want to integrate it from a to b but the result is not complete , there is...

casi 7 años hace | 1 respuesta | 0

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Can I use whether or not a function runs as a conditional statement?
this is a short example ; if the first condition is true : x= 2 ; y = 3; if (x+y)>4 disp x , disp y else x-y end ...

casi 7 años hace | 0

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how to calculate similatity
first : if you change name of variables as x ,y then two variables must the same linghth ,they are not the same try this cod...

casi 7 años hace | 0

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I have two 1x128 matrices. I want to substract them, but only for specific columns (For examples for columns 1 to 50 and 90 to 128.
let : a=1:128 b= 2: 129 z= b(1, [1:50,90:128]) - a(1,[1:50,90:128])

casi 7 años hace | 0

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suppose x=[1 2 3 4 5 6] and y(1)=[1 2],y(2)=[3 4],y(3)=[5 6].how can i take like this in matlab
or this : x=1:6; k=1 y1=[x(k) x(k+1)]; y2=[x(k+2) x(k+3)]; y3=[x(k+4) x(k+5)]; y= [ y1 y2 y3] or y= [ y1...

casi 7 años hace | 0

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i want to compute a cdf for t distribution
i want to compute a cdf for t distribution from a to b , i wrote this code but it didn't run for i=1:50 fa(i)=cdf('t', 'm...

casi 7 años hace | 1 respuesta | 0

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What does this error mean?
WHAT was THE CODE YOU USE?

casi 7 años hace | 0

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help please why ??
WHAT are you want? IF YOU want to sum all the values then use Sum (A) BUt you sum the first element only. IF you help this...

casi 7 años hace | 1

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i want to determine lower and upper points in histigram
i have a column and i plot its values as a normal histogram but i can't determine this histogram between two points . su...

casi 7 años hace | 1 respuesta | 0

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i have an algorithm ,how can i trans this algorithm to code in matlab?
i have these steps for simulation : 1- f(x) = y 2- x=random(pd,30,1) 3-pd1=makedist('uniform') 4-u=random(pd1,30,1) ...

casi 7 años hace | 0 respuestas | 0

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how can i integrate a function?
i have this function fun4=@(y)(y.^2 - d1i'*y+d2i)* f1 * exp(-(y-bx).^2./(2*s*tau)) expectfun4=integral(fun4, -2,4,'ArrayVa...

alrededor de 7 años hace | 1 respuesta | 0

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how can i get a matrix information in matlab?
i have a function ; how can i get a matrix information in matlab? i get all the second derivative

alrededor de 7 años hace | 0 respuestas | 0

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How can i repeat the simulation method?
I have these steps to simulate data pd= makedist('normal') x = rand(pd,30,1) How can I repeat the data generation pr...

alrededor de 7 años hace | 1 respuesta | 0

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how can i integrate two functions?
To Birdman , thank you very much your answer is ok ,

alrededor de 7 años hace | 0

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how can i integrate two functions?
I have this function ∫y*(1/c)exp(-((y-m))^2/2st) dy where y,m,t are vectors. I want to integrate this function from ...

alrededor de 7 años hace | 2 respuestas | 0

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