Recent content by NRedacted

Hi, I have a whole bunch of data (Arrays of the form H1, H2, H3 etc) that I want to crunch to create 10 more variables. I did: For[i=1,i<23,i++,{f1(i),f2(i),..,f10(i)}>>>"temp.mx"] Where fj(i)= fj(H1[[i]],H2[[i]],...), the functions are different functions of the numerical data I...

Hi All, I have to solve a system of non-linear equations for a wide range of parameter space. I'm using FindRoot which is sensitive to initial conditions so I have to do it by hand and by trial and error and plotting, rather than putting the equations in a loop or in a table. So what I...

Hi Bill, I was able to get the FindRoot inside the table to work. Unfortunately, it is very sensitive to the start values I give to the findroot and I will need to give different start values for different data. Probably, I'll create another array of start values which I think might work and...

Hi Bill, I can't get it to work. I'm getting alll tripped up here. This is a simplified version of my code, I've removed most of the variables and cut out most of the equation.: First I load the data from excel into arrays named: CRCFT61525H1R,CRCFT61525H0S and CRCFT61525H0D Then I copy...

Hi Bill, Thanks. I've tried to use the For loop because I understand it's syntax and I can translate the algorithm in my mind into the syntax for mathematica. The table command seems a lot more mysterious to me. Ok, I will use the table since that seems the efficient thing to do. Can...

Hi Bill, Thanks a lot! That works! Cheers NR

Hi, I am running FindRoot on three variable system of three non-linear equations for a variety of parameters (four) and a huge range of parameter values. A simplified example is as follows: one parameter and one variable: I want to solve the equation f(x,a)==0, where 'x' is the variable...