可以編程,也可分步計(jì)算.
【1】
m=1:2:100
jishu=sum(m)
n=0:2:100
oushu=sum(n)
【2】
>> m=1:2:100
m =
Columns 1 through 17
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33
Columns 18 through 34
35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67
Columns 35 through 50
69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99
>> jishu=sum(m)
jishu =
2500
>> n=0:2:100
n =
Columns 1 through 17
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32
Columns 18 through 34
34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66
Columns 35 through 51
68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100
>> oushu=sum(n)
oushu =
2550