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# sxj

##### Last seen: 2 months ago
8 total contributions since 2019

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Question

not enough input arguments when using symbolic
Dear all, I am using the symbolic function to calculate the derivative of functions and convert the derivative results by "matl...

6 months ago | 1 answer | 0

### 1

Question

Unable to convert expression into double array
Dear all, In the code I would like to use sym function to calculate the first-order derivative of functions F1- F4 and calculat...

7 months ago | 2 answers | 0

### 2

Question

Issue about "the same lower bound and upper bound" in 'fmincon'
Hey, everyone, I have a confusion about the lower bound and upper bound in 'fmincon'. My optimization problem can be described ...

1 year ago | 1 answer | 0

### 1

Different Bounds, global or local minimimum in 'fmincon'
Answer by myself I just review the webpage https://www.mathworks.com/help/optim/ug/iterations-can-violate-constraints.html ....

1 year ago | 0

Question

Different Bounds, global or local minimimum in 'fmincon'
Hallo, everyone, I'm using 'fmincon' to solve an optimization problem under the following situations (1) Given , solve out th...

1 year ago | 1 answer | 0

### 1

Question

Issues about Using Function 'fmincon' solve Optimization Problem
Dear all, I am using 'fmincon' to solve the following optimization problem: I need to figure out the optimal and correponding ...

1 year ago | 1 answer | 0

### 1

Question

Derivative of Function handle (To obtain the derivative of constraints in function fmincon)
Hey, everyone, I'm using fmincon to solve the optimization problem under constraints. To increase the speed of calculation, I wo...

1 year ago | 1 answer | 1