Add phrase to string if condition is true

Hey!

I have a probleming coding a string, here is my current code:

int i = 4;

String[] testString = new String[i];

for (int j = 0; j < i; j++)

{

testString[j] = String.valueOf("test"+(j+1));

}

model.set("input", testString);

which is resulting in:

model.set("input", "test1", "test2", "test3");

___________________

Now I want to extend the code and print just an additional testX if a corresponding condition is true and every testX has a different condition with previous defined parameters like:

condition for test1: parameter1<parameter2

condition for test2: parameter2<parameter3

condition for test3: parameter4>parameter3

For example if condition 2 is not true the result should be:

model.set("input", "test1", "test3");

___________________

I would appreciate any help here!!

Thank you!

Answer 1

[Mitch Lautigar]

int i = 4;

String[] testString = new String[i];

for (int j = 0; j < i; j++)

{

testString[j] = String.valueOf("test"+(j+1));

}

model.set("input", testString);

This code is either C/C++ and I have not seen this syntax used in programming MATLAB. However, in an attempt to help you, the logic i'd suggest is to make sure test_string is actually saving as a string array. C/C++ don't tend to like a variable changing memory size during the code running. See if that helps, and if it doesn't, comment again and i'll see what I can do to further help you.

[Christopher Schoß]

Thank you for your answer!

The Code is for automating my COMSOL Multiphysics Software and this is how I normally get the structure of my code. Means I track my "clicks" in Comsol and save them as a Matlab File. In Matlab I extend this code to automate the model-buildup in comsol.

Do you have a specific vision for coding my problem? Not sure how I can implement your logic

Thank you!

[Mitch Lautigar]

If I was going to program this in Matlab, it would look something like this.

function [output] = insertnamehere(param1, param2, param3,param4)
output_str = []; %MATLAB does not care about preallocation of memory. It prefers                 preallocation, but it is not needed
if param1 < param2
    output_str = [output_str, "test1"];
elseif param2 < param3
    output_str = [output_str, "test2"];
elseif param3 < param4
    output_str = [output_str, "test3"];
end
testString = strjoin(output_str,', ');
model.set("input", testString); %There is a MATLAB version of this line you had, but for simplicity, I left it as is. Hope it helps!

[Christopher Schoß]

Yeah THANK YOU!

Nearly what I am looking for.

Its currently resulting in 'test1, test2' so not 'test1', 'test2'

How can I add the missing bracket?

Thank you!

[Walter Roberson]

testString = strjoin(output_str,', ');
model.set("input", testString);

Remove those lines. Add

testString = cellstr(testString);
  model.set("input",testString{:})

[Christopher Schoß]

I think you mean add:

testString = cellstr(output_str);

model.set("input",testString{:});

?

Thank you!

[Christopher Schoß]

Now I got it:

output = strjoin(output_str,'","');

Thank you :)