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Jen W


Last seen: 1 year ago |  Active since 2018

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How to get the R2 value of fit?
In the code below, how to output the R2 value of the fitted coefficients? ft = fittype('b*x^2+c*x+a'); load enso fit(month,pr...

2 years ago | 1 answer | 0

1

answer

Question


Different results using curve fitting app
Hello, I want to fit an exponential function of y=a*x^b + c to the x and y array below. I am using the Curve Fitting app with d...

2 years ago | 3 answers | 0

3

answers

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How to speed up the symbolic calculation of the Jacobian?
Hello, I am trying to solve a system of multivariate nonlinear equations using the Newton iteration method. The equations conta...

3 years ago | 0 answers | 0

0

answers

Question


Global optimization - data type error
Hi, I am trying to minimize the objective below using global optimization. The error I received is: "Error using fmincon. FMINC...

4 years ago | 1 answer | 0

1

answer

Question


Global search optimization error
Hello community, I am trying to debug a global optimization problem with objective function having multiple inputs. The code is...

4 years ago | 1 answer | 0

1

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How to show optimvar in optimization iterations?
Hello, I am using fmincon to solve an optimization problem. The program found a local minimum value, but I do not like the outp...

4 years ago | 0 answers | 0

0

answers

Question


How to solve optimization problems when the constraints have derivative (symbolic) functions
Hello, I am trying to solve an optimization problem as following. There are two parabolas f and g. When they have a common tang...

4 years ago | 2 answers | 0

2

answers

Question


How to show the value of sym in workspace?
I want to get the result of a definite integral, for example: syms u int(u-1,0,1) If I type the code in the editor an...

7 years ago | 2 answers | 0

2

answers

Question


How to get the mean of a function when the input of the function is a distribution?
I want to get the expectation of y=sin(x) when x follows a distribution described below. But the second line has error. How can ...

7 years ago | 2 answers | 0

2

answers