Dimitrios Adam

Last seen: 約2年前 | 2019 年からアクティブ

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質問

How to combine function in simulink
Hello, I have a problem in which the derivative of the entrance is a ramp function from 1 to 3 second and then step function fr...

4年以上前 | 1 件の回答 | 0

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質問

heaviside and sign function
Hello, i have for example this differential equation ode = diff(y,x,2)+2*diff(y,x,1)+y==exp(-x)+heaviside(x-2)-dirac(x-2); ...

6年弱前 | 1 件の回答 | 0

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質問

Unable to convert expression into double array.
I have a 20 equations to solve i have already the symbolic funtioncs of M , E ,Izz and when i try to solve it appears in the com...

約6年前 | 1 件の回答 | 0

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質問

differential equations solution doesnt work
i have for example syms x y(x) M4=(R1*x-p*g*pi*0.0810*(x-l1/2)-0.2626*p*g*pi*(x-K1-l2/2)-0.0630*p*g*pi*(x-K2-l3/2)-p*g*pi*((...

約6年前 | 0 件の回答 | 0

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質問

fplot command makes plot white
Hello , I have for example a function like M1z = @(x) F1*x - I1*(x-l1/2) ; and Ixx = @(x) (bx+c)^4/64 ; and i write Sxx =@(...

約6年前 | 1 件の回答 | 0

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質問

Array inside an Array
if i have one array smaller than another expample. D=[0 1 1 2 3 4] and d=[1 2 3] and i want to find if the D vector has inside...

6年以上前 | 1 件の回答 | 0

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質問

How to remove zeros from an array without using nonzeros command
i want to delete the zeros without using nonzeros x=[1 2 2 0 3 1 3 0 0]; i=1; j=1; while i <= length(x) if x(i)==0 ...

6年以上前 | 1 件の回答 | 0

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