How calcute defferentiation under integral?

i want calcute d/dx(integral x fx(x) dx) that fx(x) is Probability Density Function and i can not calute this diferrentiation under integral please help me

08 September 2015 1,136 2 View

How can produce variable pulse width in block pulse generator in simulink matlab?

i work with simulink and i have this problem

07 August 2015 3,241 4 View

No title

I was reading about the various twisted pair protocols, being distracted by the marvels of Wikipedia when I went to look up the way to wire a connector. And I'm wondering how it can transmit in...

09 October 2014 3,389 5 View

What the best softwar for simulition wind torbin?

i am working about WES

09 October 2014 7,658 9 View

Is there an Industrial Engineering B.S. Program at CWRU?

i working about CWRU please help me

09 October 2014 5,132 2 View

How can design Transformer and construction?

What is shape of the coils used in a transformer ?

09 October 2014 8,312 2 View

What type of device will switch to a battery when the regular power supply is cut off [on hold]?

I just need a device we can buy and include in circuit. Like if we are running a device with 12V from P.S, and that cuts off, it switches to battery.

09 October 2014 6,375 6 View

How much power does a GPU actually use when only doing PCIe I/O, or only computation?

09 October 2014 705 6 View

Can voltage be controlled in a fixed DC circuit?

If resistance is fixed in a DC circuit, can voltage still be controlled and changed from one value to another?

08 September 2014 196 9 View

TSR

how simulation method TSR in matlab?

08 September 2014 9,291 8 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View