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how i can show in matlab tha sqrt(x^2)=x in symbolic toolbox
Hi i use the symbolic tool box to simplify an expression I receive that ((2*A*dhmax + B*h0)^2/h0^2)^(1/2)*(2*A^2*dhmax^2 ...
11 days 前 | 2 个回答 | 0
2
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probability distribution function from datra
Hi i have a function Z(h) h1<h<h2 how i cant find a pdf (probability distribution finction ) function for Z ...
3 months 前 | 2 个回答 | 0
2
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save thw values of four variable in a file
Hi i want to save four variable from a matlab code in a file ( like xls) the two from four value have many ...
1 year 前 | 2 个回答 | 0
2
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Matlab function with inf in end points
hi I have a function define in an range [ a, b ] the function is ιnf at end point F(a)=inf F(b)=inf there a method ...
2 years 前 | 1 个回答 | 0
1
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ARRY EXEEDS RANDOM NUMBER
hi i receive this message in matlab when i run a monte carlo probllem Requested 1000000x10000 (74.5GB) array exceeds max...
3 years 前 | 2 个回答 | 0
2
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the values are less from eps
Hi i run have a function of an parameter Z ( is a impedance real or imaginary ) part the values of Z is in the range ...
3 years 前 | 2 个回答 | 0
2
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Derivative of a function in a particular point
format long x = 2 ; h = sqrt(eps) ; f1=(sin(x + h)./(x+h) - sin(x)./x) / h % -0.400000 % -0.435397773981094 f2=cos(x)./...
Derivative of a function in a particular point
format long x = 2 ; h = sqrt(eps) ; f1=(sin(x + h)./(x+h) - sin(x)./x) / h % -0.400000 % -0.435397773981094 f2=cos(x)./...
3 years 前 | 0
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Derivative of a function in a particular point
Hi I have an external function y= function fa(x) y=sin(x./pi) ...
3 years 前 | 2 个回答 | 0
2
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histogram of a a function with two variable
Hi i have a function f of two variable h and psi i want to make the histogram of f in 2 dimensio ( h, psi) h foll...
3 years 前 | 1 个回答 | 0
1
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INVERSE OF A FUNCTION
thank you i have a mistake my relation and i see the the function is not one-one in range from 0:360 is one-to one in rang...
INVERSE OF A FUNCTION
thank you i have a mistake my relation and i see the the function is not one-one in range from 0:360 is one-to one in rang...
4 years 前 | 0
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INVERSE OF A FUNCTION
HI i m looking for a script to inverse numericall a function i use the function of inverse but not working because th...
4 years 前 | 2 个回答 | 0
2
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How to normalize a histogram?
hi i want to normalized the histogram i use the hist [f x]=hist(fn,nbins); dx = diff(x(1:2)); bar(x,f./(sum(f.*d...
How to normalize a histogram?
hi i want to normalized the histogram i use the hist [f x]=hist(fn,nbins); dx = diff(x(1:2)); bar(x,f./(sum(f.*d...
4 years 前 | 0
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polynomial of chaos and matlab code
hi Friends i m looking a simple example (code in matlab ) for use the polynomial of chaos..... i want to make a...
5 years 前 | 0 个回答 | 0
0
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solve parametric inequality in mupad
hi my friends i want to solve the inequality in mupad 2*X^2*cos(phi)+1 > 0 or 2*X^2*cos(phi)+1 <0 x is a real and ...
5 years 前 | 0 个回答 | 0
0
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plot a smith chart
Hi i need to plot smith chart with frequency reflection coefficient VSWR want to show smith chart with th...
5 years 前 | 1 个回答 | 0
1
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writing variable in xls file
Hi i have a code that produce three variable a b c i want to save this value in a xls file that the valu...
6 years 前 | 1 个回答 | 0
1
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matlba code for 3d wave equation
Hi i m looking a matlab code to solve the 3d wave equation thank you George Veropoulos
6 years 前 | 0 个回答 | 0
0
个回答已回答
In the fft example on MATLAB help, why do we multiply by 2?
Hi.. i have an other question the the quantity P2 = abs(Y/L) must multiply by Ts... i make a code to compare the ...
In the fft example on MATLAB help, why do we multiply by 2?
Hi.. i have an other question the the quantity P2 = abs(Y/L) must multiply by Ts... i make a code to compare the ...
6 years 前 | 0
提问
i m looking for a example to find the FTT of a signal
Hi there a educational example to describe the step by step to find the FFY of a continues signal .... there ma...
6 years 前 | 0 个回答 | 0
0
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DATA POINT in vertical direction
Ηi friends i have a matrix from a few of points i want to plot this data in parallel with y direction only. thank y...
6 years 前 | 1 个回答 | 0
1
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save in excel file inside a for loop
hi i want to save the values of a vector in a xls file. The value s change inside a for loop... the variable...
7 years 前 | 1 个回答 | 0
1
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Error using mex (line 206) Unable to complete successfully.
hi when i run the mex -setup i have the following output Welcome to mex -setup. This utility will help you set up ...
8 years 前 | 1 个回答 | 0
1
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method of moment in TL problems
Dear friends i m looking for matlab code.. that solve the problem of transmission line excitation from a EM wav...
8 years 前 | 0 个回答 | 0
0
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intrgartion_problem..
Hi im trying to run a code i call in some point the folllow lines y_theory=@(t)((1./(P.*Zl)).*f_xi(t./(Zl*P...
8 years 前 | 1 个回答 | 0
1
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integral with vector limit
Dear friends it is possible to insert in integral(f,a,b) vector at a and b??
8 years 前 | 0 个回答 | 0