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Newton's binomial - doesn't work for bigger numbers


Newton's binomial - doesn't work for bigger numbers

By : user2950816
Date : November 17 2020, 11:58 AM
Does that help Factorial grows really fast and even unsigned 64-bit integers overflow n! for n>20. The overflow free way to implement the binomial coefficient is to use this recursive definition:
code :
binom(n, k) = binom(n-1, k-1) + binom(n-1, k)


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javascript to add 2 numbers in textboxes in asp.net, doesnt work

javascript to add 2 numbers in textboxes in asp.net, doesnt work


By : seema mb
Date : March 29 2020, 07:55 AM
this one helps. this is my javascript to get addition of 2 values from 2 textboxes into the third.... , here is the java script which worked for me
code :
function Sum() {
                        var text1 = document.getElementById('<%= TextBox1.ClientID %>');
                        var text2 = document.getElementById('<%= TextBox2.ClientID %>');
                        if (text1.value.length == 0 || text2.value.length == 0) {
                                alert('Textbox1 and Textbox2 should not be empty');
                                return;
                        }

                        var x = parseInt(text1.value);
                        var y = parseInt(text2.value);
                        document.getElementById('<%= TextBox3.ClientID %>').value = x +y;
                }
<asp:TextBox ID="TextBox1" runat="server" onblur="Sum()"></asp:TextBox>
<asp:TextBox ID="TextBox2" runat="server" onblur="Sum()"></asp:TextBox>
<asp:TextBox ID="TextBox3" runat="server"></asp:TextBox>
Trying to average 10 numbers in VB.Net Can someone tell me why my code doesnt work?

Trying to average 10 numbers in VB.Net Can someone tell me why my code doesnt work?


By : Databa55
Date : March 29 2020, 07:55 AM
To fix the issue you can do This code is supposed to collect 10 numbers in the form and calculate the average. When I pres the button for calculating nothing shows up. Why? *edit I just started programing today so I don't know much , To avoid repetition, you can do this:
code :
Calc = {TextBox1, TextBox2, TextBox3, TextBox4, TextBox5,
        TextBox6, TextBox7, TextBox8, TextBox9, TextBox10}.
        Select(Function(txt) Convert.ToDouble(txt.Text)).Average
pnlTextBoxes.Controls.OfType(Of TextBox)
My code doesnt work for big numbers

My code doesnt work for big numbers


By : frank zou
Date : March 29 2020, 07:55 AM
will help you 9999999999999 is quite a bit larger than the maximum value of unsigned int (2^32 - 1). A simple fix could be to add ULL suffix to all literals and switch unsigned int to unsigned long long.
Diffie-Hellman implementation doesn't work for bigger numbers

Diffie-Hellman implementation doesn't work for bigger numbers


By : Jurica Kroatec
Date : March 29 2020, 07:55 AM
I wish did fix the issue. All numbers in JavaScript are floats (actually doubles). The corresponding specification is IEEE 754. To represent an integer without loss of precision it must fit into the mantissa which is 53 bit big for 64 bit floats. You can check the maximum integer with Number.MAX_SAFE_INTEGER which is 9007199254740991. Everything beyond that loses precision.
Why is this a problem? (Most of) cryptography must be exact otherwise the secret cannot be learned. What you try to do is exponentiate and then apply the modulus, but since you do this separately, you get a very big number after exponentiation before it can be reduced through the modulus operation.
Newtons Binomial coefficient C++ algorithm

Newtons Binomial coefficient C++ algorithm


By : user3489353
Date : March 29 2020, 07:55 AM
I hope this helps you . You failed to initialize i when the user enters a correct value the first time.
Initializing i with its declaration should suffice.
code :
//change the condition
while (i <= j) {
        cout << combinaisons(i, j) << endl;
        i = i + 1;
}
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