You do the math.

Another choice would be to calculate the ratio between the weight and how much its worth.

I'll just write mult short for multiplication.

I been crunching numbers, all right?

Then you wanna do multiplication... multiplication and division, and then finally you do addition and subtraction.

We have some division going on here, and a multiplication there.

Throughout history every culture around the globe has created inventive ways to calculate.

You've been crunching numbers?

And it turns out there is very good numerical software for taking a matrix and computing its inverse.

So, plugged it into R, checked it out, the hand calculations worked.

A times B times C, what you can do is you can first compute B times C.

So notice we interpreted this statement in two different ways this was just straight left to right, doing the addition, then the multiplication.

A businessman is working out some figures with a calculator.

I figured it out once.

It's all happened as I'd planned.

You see, yeah, perfect. Three, four, five, six.

What is 100 as a binary number?

I'm just checking your math on that.

Then you do multiplication and division next. they kind of have the same level of priority.

And just to get a sense of what 4000 is actually, since I have the calculator out

Frankly speaking, I didn't count it.

And then let me get back to what I was doing.

Maybe. I don't know. Let me crunch some numbers.

It's three dreams, that's 10 hours, that's twenty...

Cash converter and calculator

So one of the topics we're covering in this course is Memoization or caching, writing down values that we've already computed so that we can be lazy and not have to recompute them later.

When you add all these things up

And we could do a little bit of

In Snowball's case... I calculated the dosage for a 1yearold child.

And Sweden never reached the

I don't have to recompute it, which might be very expensive.

No calculation

So he's going 100, 97, 94.

Lets first take the situation when t 1, so the expression becomes 5 1 3 and we know from order of operations, we do the multiplication before we do the addition. so ( 5 1) 3 5 3 8.

So if we wanted to compute the clustering coefficient of this graph, we'd actually have to go through node, to node, to node, to node, to node, to node, to node, compute the clustering coefficient for each one and then average.

So at first sight, math seems to be about numbers and calculation, and logic and all that stuff, but underlying calculation and logic, there's a huge dimension in our minds that underlies all calculation and logic.

It's a major subject.

Now, when you have multiple operations at the same level and in our order of operations, multiplication and division are at the same level then you do left to right.

So I'm going to compute the average of all the blue points, compute the average of all the red points and move my cluster centroids like this, and so, let's do that again.

Calculation is miles easier if you have a calculator.

Any style yeah, good.

So if you just had 7 plus 3 times 3, how would you evaluate it?

A currency converter and calculator

So normally when someone says, Let's take the average of these numbers. And they expect you to do something, they want you to figure out the arithmetic mean.

We don't have any exponents here, but we do have some multiplication and division or we actually just have some multiplication.