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Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

6年弱前

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

6年弱前

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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.

6年弱前

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

6年弱前

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Add two numbers
Given a and b, return the sum a+b in c.

6年弱前

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Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

6年弱前

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Trouble using fsolve with two non-linear equations and 3 parameter
I think it will works like in this way: function F = eql_coef(x) % x(1) == a % x(2) == d K_H2O = 20.999; K_OH = 1.0478; p ...

6年弱前 | 0

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Is this a bug in bar plot
I suggest you to use two additional lines of code highValue=10E15; y = [2 2 3*highValue; 2 5 6*highValue; 2 8 9*highValue; 2 1...

6年弱前 | 0

質問

merge mat files with different size?
Hi, Consider I have different .mat files and I want to merge them all and remove the repeated values, but the first problem I a...

6年弱前 | 1 件の回答 | 0

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質問

need help to plot a mesh
I just want to mesh plot a dirac delta function, can somebody help me to do so. I wrote some lines of code to plot dirac delta ...

約6年前 | 1 件の回答 | 0

1

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質問

What is the error in this computation?
Here I want to plot a simple sum. I computed it manually by iterating different values, and then did it same by using for loop,...

約6年前 | 1 件の回答 | 0

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質問

Error in computing numerical solution?
I am enable to compute numerical solution, as it generates weird Initial conditions (may be) compared to the inintial value of U...

約6年前 | 0 件の回答 | 0

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質問

Spectral Method without FFT in MATLAB
Can somebody guide me that how spectral method will be implemented in MATLAB to PDE (lets say homogeneous heat equation with per...

6年以上前 | 0 件の回答 | 0

0

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質問

Specrtal Method for Heat Equation
I have one dimensional homogeneous heat eqaution. I want to solve it numerically using by supposing where Taking time deri...

6年以上前 | 0 件の回答 | 0

0

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How do i use boundary conditions to find variables in an equation
if you let Lp=constant and make changes in soln = solve(u,eqns,vars); to soln = solve(eqns); you will get a structure soln ...

6年以上前 | 0

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setting column of a matrix to zero
You haven't define constants a and z, and a vector mt, so I suppose a=-1, z=4 and mt=rand(1,50) and following lines of code to p...

6年以上前 | 0

質問

How to plot analytical solution in terms of Fourier Series
I want to plot the analytical solution of the equation given below: for x=-1:1 and t=0:0.4:2 for as suitable values of p. I...

6年以上前 | 1 件の回答 | 0

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質問

How can i plot an inline function?
I wrote a code in which i got and inline function as U = Inline function: U(p,t,x) = (372863112183097.*exp(500....

6年以上前 | 2 件の回答 | 0

2

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Adjust subscript style / height
use the following after the plot command xlabel("y_{" + n + "}", 'Interpreter', 'tex') %for alphabet and xlabel(" \Omega_{"...

6年以上前 | 0

質問

I am facing problem with big fraction
Hello everyone, When i am writing the following code, "sumx" returns me value in fraction, i want to show my result in terms of...

6年以上前 | 0 件の回答 | 0

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質問

When L is not unique, how can I choose any of L
let say i have a vector S=[ 7 1 15 13 2 14 6 10 12 11 4 8 3 9 5]; and after ...

7年以上前 | 1 件の回答 | 0

1

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質問

find the longest monotonically increasing subsequence of a sequence of n numbers?
I have algorithm of the longest monotonically increasing subsequence of a sequence of n numbers Let S[1]S[2]S[3]...S[n] be the ...

7年以上前 | 3 件の回答 | 0

3

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I want to save matrix at each iteration to later use for Multiplication
I have written a code, it is working fne, but i couldnot save the result at each step. clear all; clc a=0:1; b=0:1; c=0...

7年以上前 | 1 件の回答 | 0

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質問

how to call a function one m-file to another m-file
lets say i have one m-file named call1.m having: function t =call1(a,b) a=10; b=5; t=a+b; end and i want to ca...

10年以上前 | 1 件の回答 | 0

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質問

I want to have my error bar graph like given in picture
clear all; clc; C = [0.962 0.9416 0.9606 0.9845 0.9385]; N = [0.9392 0.979 0.948 0 0]; S = [0.9599 0.9276 0.9571 0.93...

10年以上前 | 0 件の回答 | 0

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質問

for loop for different set of values
Hi, i want to run for loop with different set of values as for example for i = 2:6,17:22 Y= 2*i; End Please do it ...

10年以上前 | 3 件の回答 | 0

3

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質問

problem in solving coupled non-linear Initial Value ODE using finite difference method
Hi i wrote a code for 3 coupled non-linear Initial Value ODE ( u and w are second order and v is 1st order ODE) using finite dif...

11年弱前 | 0 件の回答 | 0

0

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Error in Exact solution and numerical Solution
Hi I am solving a 2nd order linear ODE using Forward Scheme Finite Difference Method and also computing the Exact solution and p...

11年弱前 | 0 件の回答 | 0

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質問

Load MAT files and Then Save new MAT file with same Name after calculations
If I have a series of MAT files and want to load it and then perform some calculation on it and then save all the new MAT files ...

11年弱前 | 1 件の回答 | 0

1

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Save variable in vector form after a loop
here is y code for calculating norm between two vectors and then saving the minimum number and its index in variable r and c, i ...

11年弱前 | 1 件の回答 | 0

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