A SOCP problem in "Efficient Convex Relaxation Methods for Robust Target Localization by a Sensor Network Using Time Differences of Arrivals"

who can tell me how to construct the objective function in CVX code. There are many sum operations. I am a green hand in CVX code. x is the location of the unknown emitter to be estimated. M is the number of sensor nodes.
reference paper:[1] Yang K , Gang W , Luo Z Q . Efficient Convex Relaxation Methods for Robust Target Localization by a Sensor Network Using Time Differences of Arrivals[J]. IEEE Transactions on Signal Processing, 2009, 57(7):2775-2784.

Have you read the CVX Users’ Guide?

You can use sumwith CVX expressions just the same as if they were “regular” MATLAB. You can also build up a CVX expression using for loops You can find examples in the forum questions/answers.

Sir, thank you for reminding me. I understand what you mean. I have read《The CVX Users’ Guide》. I know how to solve the problem in chapter ‘4.8 Assignment and expression holders’. Have a nice life!