Cody

# Problem 1088. Rank of magic square (for beginners)

Solution 172267

Submitted on 4 Dec 2012
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### Test Suite

Test Status Code Input and Output
1   Fail
%% n = 20; r = 3; filetext = fileread('mag_rang.m'); assert(isequal(mag_rang(n),r)) assert(isempty(strfind(filetext, 'rank'))) assert(isempty(strfind(filetext, 'magic')))

```Error: Assertion failed. ```

2   Fail
%% n = 4; r = 3; filetext = fileread('mag_rang.m'); assert(isequal(mag_rang(n),r)) assert(isempty(strfind(filetext, 'rank'))) assert(isempty(strfind(filetext, 'magic')))

```Error: Assertion failed. ```

3   Fail
%% n = 15; r = 15; filetext = fileread('mag_rang.m'); assert(isequal(mag_rang(n),r)) assert(isempty(strfind(filetext, 'rank'))) assert(isempty(strfind(filetext, 'magic')))

```Error: Assertion failed. ```

4   Fail
%% n = 18; r = 11; filetext = fileread('mag_rang.m'); assert(isequal(mag_rang(n),r)) assert(isempty(strfind(filetext, 'rank'))) assert(isempty(strfind(filetext, 'magic')))

```Error: Inputs must be a scalar and a square matrix. To compute elementwise POWER, use POWER (.^) instead. ```

5   Fail
%% n = 16; r = 3; filetext = fileread('mag_rang.m'); assert(isequal(mag_rang(n),r)) assert(isempty(strfind(filetext, 'rank'))) assert(isempty(strfind(filetext, 'magic')))

```Error: Assertion failed. ```

6   Fail
%% n = 170; r = 87; filetext = fileread('mag_rang.m'); assert(isequal(mag_rang(n),r)) assert(isempty(strfind(filetext, 'rank'))) assert(isempty(strfind(filetext, 'magic')))

```Error: Inputs must be a scalar and a square matrix. To compute elementwise POWER, use POWER (.^) instead. ```

7   Fail
%% n = 112; r = 3; filetext = fileread('mag_rang.m'); assert(isequal(mag_rang(n),r)) assert(isempty(strfind(filetext, 'rank'))) assert(isempty(strfind(filetext, 'magic')))

```Error: Assertion failed. ```

8   Fail
%% n = 170; r = 87; filetext = fileread('mag_rang.m'); assert(isequal(mag_rang(n),r)) assert(isempty(strfind(filetext, 'rank'))) assert(isempty(strfind(filetext, 'magic')))

```Error: Inputs must be a scalar and a square matrix. To compute elementwise POWER, use POWER (.^) instead. ```