What this equation merely says is that the present value of your remaining payments is always equal to the mortgage balance.
这个等式说明了,剩余偿还额的现值,就等于抵押贷款的余额
which I just did there, -mystring in fact, let me type it in-- mystring, with an equal sign, which is saying, assign or bind to that name the value of the following expression.
也就是这里我做的,实际上,让我输入,然后是个蹬好,意思就是说,把这个名字绑定到,后面表达式的值上去。
PROFESSOR: OK. We can have n 4, l 3, and then, sure, we can have m sub l equal negative 2 if l equals 3 What's the second value of l that we can have?
教授:嗯,我们有n4,l3,然后我们有ml等于-2,如果l等于3,l可以有的第二个值是多少?
Both of them now equal what value?
两个变量都等于哪个值?
It would be c times 3 in the third year, etc., Then the present value is equal to c/-- that's the formula for the value of a growing console.
在第三年它就是三倍的的三次方,现值就相当于c/,这就是上涨债务价值的公式
For an angular node, we're just talking about what the l value is, so whatever l is equal to is equal to the number of angular nodes you have.
对于角向节点,我们其实就是在讨论l,的值是多少,因此不管,l,的值等于几,它就等于你所有的角向节点的数目。
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