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Last seen: meer dan 3 jaar ago | Active since 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...

meer dan 3 jaar ago | 1 answer | 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...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question

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,...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question

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...

meer dan 3 jaar ago | 0 answers | 0

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Question

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...

meer dan 3 jaar ago | 0 answers | 0

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Question

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...

bijna 4 jaar ago | 1 answer | 0

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Question

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...

bijna 4 jaar ago | 1 answer | 0

1

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Question

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...

bijna 4 jaar ago | 0 answers | 0

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