MATLAB: What if there is no free student licence for homework, do I need to pay it? Unreasonable!!!

MATLABstudent

So, I have to pay at least 49$ to use matlab just twice a week? Why can't Visual Studio come up with the same function, at least it's free for student.

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I'm not sure what you're calling unreasonable -- the fact that you have to pay for something that thousands upon thousands of people took time developing over decades for you, or the fact that (you think) there is no free/open source alternative. Which is it?

Anyway, that's like a hundred times less than I pay. Doesn't seem much different than textbooks you have to buy that you only use twice a week. If you don't like it, see the FAQ for alternatives.

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MATLAB: I am from 2nd year of mechanical engineering,.. So is it worth to study matlab software??? Because I don’t know any of technical things so is this software useful for me at this point

No. Or maybe. Don't bother learning a language that you have no immediate plan to use. You won't remember much when you do need it anyway. You could as well ask if you should learn French, German or Chinese. Hey, you might need to read a technical paper in that language one day.

Is facility with some programming language useful? Of course it is. But you can do a heck of a lot with just a spreadsheet. And do you need MATLAB to handle undergraduate level ME classes? Not really, and certainly none that I ever saw. Only for some of my graduate school ME coursework would MATLAB have been of any use anyway. For my thesis, yes. But you are not even close to that point.

There are many other things you would be far better off investing your time to learn in advance. For example, pick up a copy of the text for what you perceive will be your most difficult class from your next semester. Read it.

Knowing MATLAB won't hurt you. But you won't learn it very well unless you are using it. And you can learn it when you do need it, and if you really do need it, you will learn it very quickly.

MATLAB: While Loop help, homework, ADC readings

There are various ways to determine the start and stop indexes of the clock signal.

clock=clock(clock>4.9);%changes clock signal to 1's and 0's 
a=find(clock);%finds indexes of 1's
b=find(diff(a)>1);%finds index of a at the end of the signal
ADC1=mean(signal(a(1:b(1))));
ADC2=mean(signal(a(b(1)+1:b(2))));
ADC3=mean(signal(a(b(2)+1:end)));

There are other ways you can investigate, but you get the idea. Bottom line is that you will need to find the idexes of the start and stop of the clock high signal and then index into signal at those indexes to calculate the means.

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MATLAB: I am from 2nd year of mechanical engineering,.. So is it worth to study matlab software??? Because I don’t know any of technical things so is this software useful for me at this point

MATLAB: While Loop help, homework, ADC readings

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