隱藏的 標籤 left parenthesis, "a" , "M" left parenthesis, "a" , right parenthesis , right parenthesisa,Ma
標籤
equals=
left parenthesis, 273 , negative 3.1 6 0 3 3 0 0 2 , right parenthesis273,−3.16033002
18
N(t) is periodic, because it restarts at the beginning of every year. What can you say about the derivative of a periodic function? Explain your answer. Answer:
19
When you have answered all of the questions above, save this graph and share it with me.
20
The next cell contains the formula for N(t). Its exact form is not important for us. Below it are other formulas used in the definition of N(t). You can ignore everything below this cell for purposes of this project.
21
運算式 22: "N" left parenthesis, "t" , right parenthesis equals "H" times StartFraction, arccos left parenthesis, "T" left parenthesis, tan left parenthesis, "L" , right parenthesis tan left parenthesis, "A" times cos left parenthesis, StartNestedFraction, 360 NestedOver "D" , EndNestedFraction left parenthesis, "t" plus "S" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesis Over 180 , EndFractionNt=H·arccosTtanLtanA·cos360Dt+S180
22
H is the maximum number of hours in a day.
23
運算式 24: "H" equals 24H=24
negative 10−10
2424
24
D is the total number of days in a year. Default is 365.
25
運算式 26: "D" equals 365D=365
negative 10−10
400400
26
A is the inclination of Earth's axis with respect to the plane of Earth's orbit. Default is 23.44 degrees.
27
運算式 28: "A" equals 23.4 4A=23.44
negative 85−85
8585
28
S is the offset of the start of the year: the number of days after the winter solstice that the year begins. Default is 11 days.
29
運算式 30: "S" equals 11S=11
negative 10−10
365365
30
T is a "truncation" function: its outputs lie between %u20131 and 1.
31
運算式 32: "T" left parenthesis, "x" , right parenthesis equals left brace, "x" greater than 1 : 1 , "x" less than negative 1 : negative 1 , negative 1 less than or equal to "x" less than or equal to 1 : "x" , right braceTx=x>1:1,x<−1:−1,−1≤x≤1:x