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Jan Filip


Last seen: 5개월 전 2020년부터 활동

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Index exceeds the number of array elements in ODE using anonymous function
I dont't understand what is wrong with this scirpt. For different set of equations I was able to use anonymous functions inside ...

2년 초과 전 | 답변 수: 1 | 0

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How to plot coordinate data to appear solid with lighting effect?
I have quite delicate problem. In the for loop I am plotting these circles using plot3(x,y,z) so after number of iteration...

2년 초과 전 | 답변 수: 2 | 0

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Avoid root switching using roots
Hello, I am having following problem. It is a very simple. First formulate symbolically some matrix . Then I wish to study . ...

거의 3년 전 | 답변 수: 0 | 0

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transform ode15i input to ode15s input
Since I got completely stuck in the last two weeks I am giving up with ode15i solver and I would like to solve my equations usin...

3년 초과 전 | 답변 수: 1 | 0

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Piecewise ode15i
Suppose that given DAE system containing peicewise defined function. What is more convenient way to call ode15i: a) put condit...

3년 초과 전 | 답변 수: 1 | 0

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ode15i instability and initial values
Consider following MWE: eqn1 = i_V11(t) + u_1(t)/10 - u_2(t)/10 == 0 eqn2 = (3*u_2(t))/25 - u_1(t)/10 - u_3(t)/50 + (77371252...

3년 초과 전 | 답변 수: 0 | 0

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Generation of symbolic vector of functions
I need to define a lot of symbolic variables for DAE solver. Instead of using sym f1(t) f2(t) % up to arbitrary fN(t) i woul...

3년 초과 전 | 답변 수: 1 | 0

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

3년 초과 전

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Gegenbauer polynomials wont produce Chebyshev polynomials using Symbolic Toolbox
Consider code syms x n = 4; a = -0.5; gegenbauerC(n,a,x) It produces following output - (5*x^4)/8 + (3*x^2)/4 - 1/8 which...

3년 초과 전 | 답변 수: 1 | 0

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