28 lines
682 B
Matlab
28 lines
682 B
Matlab
function[push, pop, peek] = mystack()
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% function to return handles to the subfunction push, pop, & peek
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push = @push;
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pop = @pop;
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peek = @peek;
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end
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function [stack] = push(stack, value)
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% function to push a value onto the stack at location 1 and return the
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% stack
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stack = [value; stack];
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end
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function [stack] = pop(stack)
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% function to pop the value at location 1 off the stack and return the
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% stack
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stack(1) = [];
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end
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function [value] = peek(stack)
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% function to return the top value from the stack (arrau location 1)
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% returns NaN if there is no value at location 1
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if isempty(stack)
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value = NaN;
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else
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value = stack(1);
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end
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end |