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My Mandelbrot sketching program in c# isn't working


My Mandelbrot sketching program in c# isn't working

By : Dave
Date : November 29 2020, 04:01 AM
I hope this helps you . The new values for help.X and help.Y need to be calculated based on the previous values of help.X and help.Y.
Your code first calculates the new help.X value based on the previous help.X and help.Y values. So far, so good. But then, your code calculates help.Y using the new help.X value instead of the previous help.X value.
code :
    for (i = 1; i <= max; i++)
    {
        var newX = help.X * help.X - help.Y * help.Y + realpoint.X;
        var newY = 2 * help.X * help.Y + realpoint.Y;

        help.X = newX;
        help.Y = newY;

        if (Math.Sqrt(help.X * help.X + help.Y * help.Y) > 2)
            break;
    }
    for (i = 1; i <= max; i++)
    {
        help = new PointF(
            help.X * help.X - help.Y * help.Y + realpoint.X,
            2 * help.X * help.Y + realpoint.Y
        );

        if (help.X * help.X + help.Y * help.Y > 4)
            break;
    }


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Mandelbrot set program not working in JS fiddle

Mandelbrot set program not working in JS fiddle


By : user3709882
Date : March 29 2020, 07:55 AM
will be helpful for those in need You need to use math.add instead of + to add c, because c is an object storing a complex number:
code :
z = math.add(math.pow(z, 2), c);
Program isnt working

Program isnt working


By : Prabhav Sharma
Date : March 29 2020, 07:55 AM
I hope this helps . A file existed, and contained my name, after making the following changes and rebuilding/running the program:
(see comments in line for reasons)
code :
if(x = NULL)//assignment - as is, this statement will always evaluate 
            //to false, as x is assigned to NULL.
if(x == NULL)// comparison - this will test whether x is equal to NULL without changing x.
   scanf("%s", &name);//the 'address of' operator: '&' is not needed here.
                      //The symbol 'name' is an array of char, and is
                      //located at the address of the first element of the array.
   scanf("%s", name);//with '&' removed.
   scanf("%24s", name);//'24' will prevent buffer overflows
                       //and guarantee room for NULL termination. 
char buffer[25];//create an additional buffer
...
memset(name, 0, 25);//useful in loops (when used) to ensure clean buffers
memset(buffer, 0, 25);
fgets(buffer, 24, stdin);//replace scanf with fgets...
sscanf(buffer, "%24s", name);//..., then analyze input using sscanf 
                             //and its expansive list of format specifiers 
                             //to handle a wide variety of user input.
                             //In this example, '24' is used to guard 
                             //against buffer overflow.
my else if statement isnt working in my tic tac toe program

my else if statement isnt working in my tic tac toe program


By : Ondráček
Date : March 29 2020, 07:55 AM
To fix this issue //main code
code :
if (currentstate == you_win){
        System.out.println("'X' Won!!");
        else if (currentstate == comp_win)
            System.out.println("'O' won!!");
            else if (currentstate == draw)
            System.out.println("It's a Draw :(");
    }
    if (currentstate == you_win){
        else if (currentstate == comp_win)
            //...
    }
if (currentstate == you_win){
      // ...
 }
 else if (currentstate == comp_win) {
     // ...
  }
    //...
switch (currentstate) {
       case you_win:
             System.out.println("'X' Won!!");
             break;
        case comp_win:
            System.out.println("'O' won!!");
            break;

        case draw:
            System.out.println("It's a Draw :(");
            break;
}
Except isnt working in my python 3.6 program. Why?

Except isnt working in my python 3.6 program. Why?


By : Jose Luis Zabalza
Date : March 29 2020, 07:55 AM
I hope this helps . The issue you're having trying to catch your exception has to do with a misunderstanding of where the exception is being generated. When you call an function with the wrong arguments, you get an error from the call, not from within the function.
No try/except code in or around the function definition will be able to catch that exception, since the function's code doesn't ever start running (and the definition happened without error earlier, so a try/except around the def statement won't help). Only the code around the call can do something if the call itself fails.
My javascript program isnt working

My javascript program isnt working


By : nyhven
Date : March 29 2020, 07:55 AM
it fixes the issue There's 3 errors in the line of code that's supposed to set the background image. Fix that and it will work.
1: Set 'element.style' instead of 'element.innerHTML.style'.
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