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Lesson Posted on 08/11/2018 IT Courses/MATLAB Manibhushan Kumar

I have 15 years of experience in Maths and Stats. I have started teaching one year after completing my...

A trigonometric identity is given by: cos^2(x/2)=(tanx+sinx)/2tanx We would calculate each side of the equation, substituting.x=pi/2 sol. >> x=pi/5; LHS=cos(x/2)^2 LHS = 0.9045 RHS=(tan(x)+sin(x))/(2*tan(x)) RHS = 0.9045 read more

A trigonometric identity is given by: cos^2(x/2)=(tanx+sinx)/2tanx

We would calculate each side of the equation, substituting.x=pi/2

sol.

>> x=pi/5;

LHS=cos(x/2)^2

LHS =

0.9045

RHS=(tan(x)+sin(x))/(2*tan(x))

RHS =

0.9045

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Lesson Posted on 07/11/2018 IT Courses/MATLAB Manibhushan Kumar

I have 15 years of experience in Maths and Stats. I have started teaching one year after completing my...

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For image processing and machine learning applications, what is better to use Matlab or R? Venkatasubramanian Krishnamoorthy

I would say MATLAB is a better option.
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When I enter the following code x= ; stem(x) in the MATLAB . Why the figure doesn't show the x(1) =3? What's wrong? read more
When I enter the following code x= [3,11,7,0,-1]; stem(x) in the MATLAB . Why the figure doesn't show the x(1) =3? What's wrong? read less Keerti T.

Define axis in your code. x axis starting from 0 to 5 or 6 and y axis -1 to 11 or 12. Then, You will be able to see x(1)=3. axis()
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How is MATLAB used in robotics? Venkatasubramanian Krishnamoorthy

Simulink, which is a part of MATLAB has robotic toolbox with which you can build your own models and test its kinematics and dynamics. Basically it allows you to design, simulate and test your designs. You can start by building a simple two-link robotic arm, speciify its degree of freedom (DOF) simulate... read more

Simulink, which is a part of MATLAB has robotic toolbox with which you can build your own models and test its kinematics and dynamics. Basically it allows you to design, simulate and test your designs.

You can start by building a simple two-link robotic arm, speciify its degree of freedom (DOF) simulate and see for yourself how it works.

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Which is the best tool for statistical analysis - MATLAB, R, Python, Statistica, or Mathematica? Venkatasubramanian Krishnamoorthy

Each tool has its pros and cons. It totally depends on what kind of analysis you want to do and in what format do you have the data needed for the analysis. Generally speaking one can go with R, MATLAB or Statistics not necessarily in that order.
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As a mechanical engineering student, what's more interesting to learn: Python or MATLAB? Why? Venkatasubramanian Krishnamoorthy

My suggestion would be to go for SIMULINK (a part of MATLAB) where it gives you lot of model building options by just dragging and dropping different input/ouput/connecting systems e.g: robotics toolbox.
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Why do we need MATLAB in physics? Ashok Rai

Computer Wizard

due to its fast mayhematical computation
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How can I implement a high-pass filter using a moving average with MATLAB? Venkatasubramanian Krishnamoorthy

Moving average is nothing but a FIR filter. You can use fir1, fir2 commands. For further info on how to use the commands search in mathworks website or google it.
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