[R] how to code a restriction matrix with the following restrictions

Dear list members, I need to fit a regression with two inequality constraints. I look up in the literature and R archive and found some ways to do it, for example using the ic.infer package. However I do not know how to write in R my constraints. In the package help, it is told that

[R] how to code a restriction matrix with the following restrictions

Dear list members, I need to fit a regression with two inequality constraints. I look up in the literature and R archive and found some ways to do it, for example using the ic.infer package. However I do not know how to write in R my constraints. In the package help, it is told that I hav