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Raihan Ul Islam


Luleå Tekniska Universitet

Last seen: 2 years ago Active since 2017

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how can i covert following variables as Indexed variables ?
I have following function. I want to improve the execution time. Matlab profiler is showing following messgae. How can i convert...

4 years ago | 1 answer | 0

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answer

Question


How to make faster row-wise Matrix multiplication ?
Hi All, I want to make my code run faster. I have to do row wise multiplication. But i do not want to use for loop. For examp...

5 years ago | 1 answer | 0

1

answer

Question


Is it possible to make combvec function faster
Hi All, After running my code with matlab profiler I see that combvec function is taking the most time. Is it possible to use a...

5 years ago | 1 answer | 0

1

answer

Question


convert any decimal number between 1 to 10 by multiplying the number with 10^n.
I have to convert any decimal number between 1 to 10 by multiplying the number with 10^n. As for example, if a=12.345 it shou...

5 years ago | 1 answer | 0

1

answer

Question


How to set constraints for outpus of objective function in fmincon
Hi, I am new in optimization. I am implementing an algorithm, where inside the optimization function the values of three varaib...

6 years ago | 1 answer | 0

1

answer

Question


Fmincon is not using multiple processor
i am running optimization in a amazon aws virtual machine with 30 logical core and 60GB memory. It seems that when matlab is cal...

6 years ago | 1 answer | 0

1

answer

Question


How to understand if my optimization getting stuck in local optima
HI i am new bie in matlab optimization . I am optimizing 944 variable using fmincon and algorithm sqp. I am bit concerned if my...

6 years ago | 1 answer | 0

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answer

Question


how to impelement u1<=u2<=u3 as linear inequality
in my optimizations i have following constraint u1<=u2<=u3 i think i have to use linear equality constaints. ie.Ax<b I am usi...

6 years ago | 1 answer | 0

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answer