Cody

Problem 1286. MatCAT - Reconstruct X from Its X-rays

Solution 207091

Submitted on 21 Feb 2013
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Test Suite

Test Status Code Input and Output
1   Fail
%% row_sums = [3 5 11]; col_sums = [4 7 8]; x = matcat(row_sums,col_sums); assert(all(x(:)>=0)) assert(isequal(floor(x),x)) assert(isequal(sum(x,2)',row_sums)) assert(isequal(sum(x,1),col_sums))

Error: Assertion failed.

2   Fail
%% row_sums = [2 2 2 2 2 6]; col_sums = [2 3 3 3 3 2]; x = matcat(row_sums,col_sums); assert(all(x(:)>=0)) assert(isequal(floor(x),x)) assert(isequal(sum(x,2)',row_sums)) assert(isequal(sum(x,1),col_sums))

Error: Assertion failed.

3   Pass
%% row_sums = [65 65 65 65 65]; col_sums = [65 65 65 65 65]; x = matcat(row_sums,col_sums); assert(all(x(:)>=0)) assert(isequal(floor(x),x)) assert(isequal(sum(x,2)',row_sums)) assert(isequal(sum(x,1),col_sums))

4   Fail
%% row_sums = [22 34 33]; col_sums = [15 23 18 21 12]; x = matcat(row_sums,col_sums); assert(all(x(:)>=0)) assert(isequal(floor(x),x)) assert(isequal(sum(x,2)',row_sums)) assert(isequal(sum(x,1),col_sums))

Error: Matrix dimensions must agree.

5   Fail
%% row_sums = 55; col_sums = [1 2 3 4 5 6 7 8 9 10]; x = matcat(row_sums,col_sums); assert(all(x(:)>=0)) assert(isequal(floor(x),x)) assert(isequal(sum(x,2)',row_sums)) assert(isequal(sum(x,1),col_sums))

Error: Matrix dimensions must agree.