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Last seen: mehr als 2 Jahre vor | Aktiv seit 2021

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What is the role of [] in ode?
Example1) [t x] = ode45(@fun, tspan, c0,...) I'm not sure what exactly is [t x] above. As I understand it, does ode represe...

mehr als 2 Jahre vor | 1 Antwort | 0

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Can you solve partial differential equations using ode?
As mentioned in the title, can you solve partial differential equations using the ode solver? If you can solve partial differen...

mehr als 2 Jahre vor | 1 Antwort | 0

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I wonder what the inside [] represents when using ode.
When using ode, I used the following format. [t C] = ode45(@Columnfun_ED_BFDM2_KH_0302,tspan,IC,opts,dz,column_Number,Nz,e,...

mehr als 2 Jahre vor | 1 Antwort | 0

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I want to solve the integral.
I want to solve the integral. What you want to find here is the amount value. However, the CE value is a value that is pa...

mehr als 2 Jahre vor | 0 Antworten | 0

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I don't know what's wrong with the function.
It is a function consisting of t, Q, and C. I was trying to express this in MATLAB. But a problem arose in expressing Q. But I d...

fast 3 Jahre vor | 0 Antworten | 0

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Are there two conditions at once when using the if condition?
Hello. I have a question and am posting. I solved it as below, but the value I want is not found, so I ask. Q_1 is entered only...

fast 3 Jahre vor | 1 Antwort | 0

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How do I set the 'RelTol','AbsTol'?
The following error occurs: WARNING: Failed at t=3.120501e+01. At time t, the integration tolerance can only be satisfied by re...

fast 3 Jahre vor | 1 Antwort | 0

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The graph is connected with hold, but the graph is cut off.
It connects two graphs. However, the part connecting the two graphs is broken. I do not know why. (Figure 1 is an enlarged view...

fast 3 Jahre vor | 0 Antworten | 0

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