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Problem with _plus() and symbolic differentiation
I define a symbolic expression (dx_3dt) and make an assumption that reduces that expression to one term. By this the function _p...
mehr als 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
simulink.h missing in 2019a
I am trying to build a simulink file in Matlab 2019a. The build is successful in 2018b. But in 2019a I get the error: Error us...
mehr als 6 Jahre vor | 0 Antworten | 0
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AntwortenCheck IN WHICH CASE symbolic logical expression is true
Well what I stated is true: c > 0 if b >= 0 Although it is not true that b >= 0 if c > 0 right. But you got what I meant. ...
mehr als 6 Jahre vor | 0
| akzeptiert
Frage
Check IN WHICH CASE symbolic logical expression is true
Is it possible to get the conditions under which an expression would be true. Example: syms a b c assume(a > 0) c = a+ b isA...
mehr als 6 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Dsolve for two point boundary value problem
Can dsolve of Matlab 2019a solve the following system of differential equations (BVP): With the following BC: (T= 60) I...
mehr als 6 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Print from C file into Command window via MexFile
I am executing a C function via a mex file in Matlab. I understood that I can output messages from the mex file using mexPrintf ...
mehr als 6 Jahre vor | 1 Antwort | 0
1
AntwortArray of symbolic functions with index but "same" variable name
Found a work around, though still open for a more elegant solution: clear all t = sym('t') reset(symengine) % syms 'xVec_%d(...
mehr als 6 Jahre vor | 0
Frage
Array of symbolic functions with index but "same" variable name
I want to generate an array of symbolic expressions depending on variable t: clear all reset(symengine) syms 'x_%d(t)' [6, 1]...
mehr als 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Live script output shortened by 'where'
When I run a live script with symbolic expressions that have long terms the output is shortened by the introduction of new varia...
mehr als 6 Jahre vor | 0 Antworten | 1
0
AntwortenFrage
Symbolic expression with matrix input and output
I want to symbolically define a matrix weighted norm like this: Obviously I do not want to hard code the dimensions of vector...
mehr als 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Jumping between consecutive states in a stateflow chart
Hey all, I want to implement a user decision support system in stateflow where the user is asked a sequence of questions and ...
mehr als 7 Jahre vor | 0 Antworten | 0
0
AntwortenStateflow: Flow chart with user input while running
Found an answer to that question. The example "Modeling a Fitness Watcher" gave me a pretty good idea of how to do what I descr...
mehr als 7 Jahre vor | 0
| akzeptiert
Frage
Stateflow: Flow chart with user input while running
Hi all, I have the following problem: I want to simulate a flow chart in Stateflow. Some transitions in this flow chart depend...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Reversing plot data to fit experimental to simualtion data
I am plotting two graphs as shown in the pic, but one is drawn with an inversed x-coordinate system. I guess it's pretty clear f...
etwa 10 Jahre vor | 1 Antwort | 0
