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Dimitrios Adam


Last seen: 4 months ago |  Active since 2019

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Question


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...

3 years ago | 1 answer | 0

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answer

Question


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); ...

4 years ago | 1 answer | 0

1

answer

Question


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...

4 years ago | 1 answer | 0

1

answer

Question


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*((...

4 years ago | 0 answers | 0

0

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Question


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 =@(...

4 years ago | 1 answer | 0

1

answer

Question


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...

4 years ago | 1 answer | 0

1

answer

Question


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 ...

4 years ago | 1 answer | 0

1

answer