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Area of a Square
Inside a square is a circle with radius r. What is the area of the square?

3 years ago

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calculate RMS voltage
given peak to peak voltage, calculate rms voltage

3 years ago

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Calculate distance travelled when given radius and rotations
When given radius of wheel and number of rotations calculate total distance travelled consider pi=3.14

3 years ago

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Negative matrix
Change the sign of all elements in given matrix.

3 years ago

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Back to basics 15 - classes
Covering some basic topics I haven't seen elsewhere on Cody. Return the class of the input variable.

3 years ago

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

3 years ago

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Find the maximum number of decimal places in a set of numbers
Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not coun...

3 years ago

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How do I assign different solutions from a function as different variables?
Hope this helps. syms x S = (solve(x^2==x,x))'; x1=double(S(1)); x2=double(S(2));

3 years ago | 1

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making an Xn sequence
Hope this helps. x1 and x2 are the 1st and 2nd terms of the sequence respectively. n is the nth term you want. x1=%the first nu...

3 years ago | 0

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solving the pendulum differential equation with a for loop
Hope this helps. The solution for the differential equation is obtained as cSol(t). The required solution is obtained as a row v...

3 years ago | 0

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Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

3 years ago

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Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

3 years ago

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Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

3 years ago

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Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

3 years ago

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Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. <http://en.wikipedia.org/wiki/Whole...

3 years ago

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MATLAB Basic: rounding IV
Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9

3 years ago

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MATLAB Basic: rounding III
Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8

3 years ago

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MATLAB Basic: rounding II
Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

3 years ago

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MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

3 years ago

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How can i solve P(x,y) with 2 equations of diff
If initial conditions are given, then this code might help. clc; clear; syms a b p x y u v c P t1 t2 u=(a*x)+b; v=(-a*y)+(...

3 years ago | 0

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How do I plot yy'+2x=3; y(1)=-6 on matlab livescript?
I got the plot for the given differential equation with the given initial condition using this function "diff_eqn1" function so...

3 years ago | 0

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The power funciton in math function block does not correctly work.
When “signed power” is checked, it first calculates the power of absolute value of input and then multiplies it with sign of the...

3 years ago | 0

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how to solve multiple equations that use the same variable but different values
Hi, I have created a function find_velocity in which the input is c (In this case c=[3,10]). The output v is a 2*2 matrix in whi...

3 years ago | 0

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colocar resultados en x,y,z cuando es un sistema con infinitas soluciones
I think this should work. ui = [3 2 -5; -1 2 -1; -2 1 1]; b=[0;-8;-7]; uiu=[ui b]; rangoui=rank(ui); rangouiu=rank(uiu); d...

3 years ago | 1

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how to generate modulus of sine wave using if-else statement
I think this should work. t=linspace(0,2*pi,1000); i=sin(t); for j=1:length(i) if i(j)>=0 c(j)=i(j); else c(j)=-1*i(j); ...

3 years ago | 0

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Can anyone help me with the name of this block?
This is the "Rate Transition" block in HDL Coder library in Simulink.

3 years ago | 0

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How to model an equation?
I think this should work. When you give time t1 for which the velocity you want, and the depth of the container as input, the fu...

3 years ago | 0

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Factorial Numbers
Factorial is multiplication of integers. So factorial of 6 is 720 = 1 * 2 * 3 * 4* 5 *6 Thus 6 factorial = factorial(720)....

3 years ago

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Reverse a matrix
Its simple. You have to reverse a given matrix.

3 years ago

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Find the square of the sum of the digits of a number
If a number (n) is provided as an input, find the square of the sum of the digits of the number. Example If n = 21, the an...

3 years ago