Question

关于matlab画图问题

我要以一个公式来画出函数图像，公式代入数值为
x=f;
y=50/(50+50+(2*pi*f*0.001)+(1/2*pi*f*0.000001))*10;
x轴为对数函数，y轴为线性函数。
我输入后，程序出来一组数据如下，
f =

Columns 1 through 8

0 1.0101 2.0202 3.0303 4.0404 5.0505 6.0606 7.0707

Columns 9 through 16

8.0808 9.0909 10.1010 11.1111 12.1212 13.1313 14.1414 15.1515

Columns 17 through 24

16.1616 17.1717 18.1818 19.1919 20.2020 21.2121 22.2222 23.2323

Columns 25 through 32

24.2424 25.2525 26.2626 27.2727 28.2828 29.2929 30.3030 31.3131

Columns 33 through 40

32.3232 33.3333 34.3434 35.3535 36.3636 37.3737 38.3838 39.3939

Columns 41 through 48

40.4040 41.4141 42.4242 43.4343 44.4444 45.4545 46.4646 47.4747

Columns 49 through 56

48.4848 49.4949 50.5051 51.5152 52.5253 53.5354 54.5455 55.5556

Columns 57 through 64

56.5657 57.5758 58.5859 59.5960 60.6061 61.6162 62.6263 63.6364

Columns 65 through 72

64.6465 65.6566 66.6667 67.6768 68.6869 69.6970 70.7071 71.7172

Columns 73 through 80

72.7273 73.7374 74.7475 75.7576 76.7677 77.7778 78.7879 79.7980

Columns 81 through 88

80.8081 81.8182 82.8283 83.8384 84.8485 85.8586 86.8687 87.8788

Columns 89 through 96

88.8889 89.8990 90.9091 91.9192 92.9293 93.9394 94.9495 95.9596

Columns 97 through 100

96.9697 97.9798 98.9899 100.0000

Error using ==> mrdivide
Matrix dimensions must agree

但没有图像出现，请问我该如何解决mrdivide Matrix dimensions must agree这个问题？

Answer 1

50/改成50./

常数除以矩阵要用./

并不是如一楼说的，50+A是可以的

Answer 2

你的f是1*100的矩阵，怎么可以和50相加呢？50+A是个错误，