作者:王美庭
Email: [email protected]
- 一、引言
- 二、命令的安装
- 三、语法与选项
- 四、实例
- 五、输出效果展示
在进行mat
运算时,明明mat B[3,3]=A["mpg",1]
不会出现问题,而mat A["mpg",1]=B[3,3]
却不行,甚是想不通,于是自己写了个小程序来解决这个问题。
mat A["mpg",1]=B[3,3]
之所以会出现 type mismatch 的问题,是因为等式左边在指定矩阵行列元素时使用了非数字。这里编程的思想在于让其对应到矩阵具体的行列号即可解决问题。
mat_cagn
命令以及本人其他命令的代码都托管于 GitHub 上,读者可随时下载安装这些命令。
你可以通过系统自带的net
命令进行安装:
net install mat_cagn, from("https://raw.githubusercontent.com/Meiting-Wang/mat_cagn/master")
也可以通过github
外部命令进行安装(github
命令本身可以通过net install github, from("https://haghish.github.io/github/")
进行安装):
github install Meiting-Wang/mat_cagn
命令语法:
mat_cagn matrix_cell_assignment_expression
mat A=(1,4,5\4,5,6\7,8,4)
mat rown A = r10 r12 r14
mat B =(45,7,45,7\7,69,100,7\45,65,45,12\451,457,1274,54)
mat rown B = 1:asd 2:fge 2:weg Total:asd
mat coln B = 1:csajd 1:cghas 2:cgdf Total:cjad
mat list A
mat list B
mat_cagn A[2,1] = B[3,3]
mat_cagn A["r12",1] = B[3,3]
mat_cagn A["r12",1] = B[3,"2:cgdf"...]
mat_cagn A[2,"c1"] = B[3,3]
mat_cagn A[2,"c1"] = B[3,3...]
mat_cagn A["r12","c1"] = B[3,3]
mat_cagn A["r12","c1"] = B[3,3...]
mat_cagn B[2,"1:cghas"] = 1234
mat_cagn B["2:fge",2] = A["r12"...,"c2".."c3"]
mat_cagn B["2:fge","1:cghas"] = A
mat_cagn B["2:fge","1:cghas"] = B["Total:asd","2:cgdf"]
. mat A=(1,4,5\4,5,6\7,8,4)
. mat rown A = r10 r12 r14
. mat B =(45,7,45,7\7,69,100,7\45,65,45,12\451,457,1274,54)
. mat rown B = 1:asd 2:fge 2:weg Total:asd
. mat coln B = 1:csajd 1:cghas 2:cgdf Total:cjad
. mat list A
A[3,3]
c1 c2 c3
r10 1 4 5
r12 4 5 6
r14 7 8 4
. mat list B
B[4,4]
1: 1: 2: Total:
csajd cghas cgdf cjad
1:asd 45 7 45 7
2:fge 7 69 100 7
2:weg 45 65 45 12
Total:asd 451 457 1274 54
.
. mat_cagn A[2,1] = B[3,3]
A[3,3]
c1 c2 c3
r10 1 4 5
r12 45 5 6
r14 7 8 4
. mat_cagn A["r12",1] = B[3,3]
A[3,3]
c1 c2 c3
r10 1 4 5
r12 45 5 6
r14 7 8 4
. mat_cagn A["r12",1] = B[3,"2:cgdf"...]
A[3,3]
c1 c2 c3
r10 1 4 5
r12 45 12 6
r14 7 8 4
. mat_cagn A[2,"c1"] = B[3,3]
A[3,3]
c1 c2 c3
r10 1 4 5
r12 45 12 6
r14 7 8 4
. mat_cagn A[2,"c1"] = B[3,3...]
A[3,3]
c1 c2 c3
r10 1 4 5
r12 45 12 6
r14 7 8 4
. mat_cagn A["r12","c1"] = B[3,3]
A[3,3]
c1 c2 c3
r10 1 4 5
r12 45 12 6
r14 7 8 4
. mat_cagn A["r12","c1"] = B[3,3...]
A[3,3]
c1 c2 c3
r10 1 4 5
r12 45 12 6
r14 7 8 4
.
. mat_cagn B[2,"1:cghas"] = 1234
B[4,4]
1: 1: 2: Total:
csajd cghas cgdf cjad
1:asd 45 7 45 7
2:fge 7 1234 100 7
2:weg 45 65 45 12
Total:asd 451 457 1274 54
. mat_cagn B["2:fge",2] = A["r12"...,"c2".."c3"]
B[4,4]
1: 1: 2: Total:
csajd cghas cgdf cjad
1:asd 45 7 45 7
2:fge 7 12 6 7
2:weg 45 8 4 12
Total:asd 451 457 1274 54
. mat_cagn B["2:fge","1:cghas"] = A
B[4,4]
1: 1: 2: Total:
csajd cghas cgdf cjad
1:asd 45 7 45 7
2:fge 7 1 4 5
2:weg 45 45 12 6
Total:asd 451 7 8 4
. mat_cagn B["2:fge","1:cghas"] = B["Total:asd","2:cgdf"]
B[4,4]
1: 1: 2: Total:
csajd cghas cgdf cjad
1:asd 45 7 45 7
2:fge 7 8 4 5
2:weg 45 45 12 6
Total:asd 451 7 8 4