Anis Frej

Last seen: 2 years ago | Active since 2020

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Solve differential equations with the ODE function
Hi, How can I solve a differential equation that has this form and how can I define it in the function that will be used as inp...

4 years ago | 0 answers | 0

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Question

ODE45 function time step
Hi, How can i increment a global variable in every time step of the ode45 function or in other words each sampling time of the ...

4 years ago | 1 answer | 0

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answer

Question

Error using odearguments Inputs must be floats, namely single or double.
Hello, I used ode45 to solve the system but when i run this code i have an error can you help me tf = 2; q0 = [pi/4;0;0;pi/2;...

5 years ago | 0 answers | 0

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Question

Derivate an expression with time
Good Morning, My problem is I have an equation depends on theta and I don't have an expression of theta (which is the variable ...

5 years ago | 1 answer | 0

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answer

Question

The following error occurred converting from sym to double: DOUBLE cannot convert the input expression into a double array.
Hello, Who can help me solve the following error on matlab syms q1; syms q2; syms q3; syms q4; syms q5; syms q6; syms qp1; sym...

5 years ago | 0 answers | 0

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answers

Question

Blocage in the execution of my program in matlab
Hello, When I start my program, matlab remains busy and does not stop until I have stopped it manually with Ctrl + C and then g...

5 years ago | 0 answers | 0

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answers

Question

How to replace equations in symbolic function
Good Morning, Please I have a function F = 3*a*b Therefore how can i change (a*b) with a variable 'x' to obtain F = 3*x Thin...

5 years ago | 1 answer | 0

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answer